CMSIS-SVD
Version 1.10
CMSIS System View Description
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<?xml version="1.0" encoding="utf-8"?> <!-- File naming: <vendor>_<part/series name>.svd --> <!-- Copyright (C) 2012 ARM Limited. All rights reserved. Purpose: System Viewer Description (SVD) Example (Schema Version 1.0) This is a description of a none-existent and incomplete device for demonstration purposes only. --> <device schemaVersion="1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="CMSIS-SVD_Schema_1_0.xsd" > <name>ARMCM3xxx</name> <!-- name of part or part series --> <version>1.0</version> <!-- version of this description --> <description>ARM 32-bit Cortex-M3 Microcontroller based device, CPU clock up to 80MHz, etc. </description> <addressUnitBits>8</addressUnitBits> <!-- byte addressable memory --> <width>32</width> <!-- bus width is 32 bits --> <!-- default settings implicitly inherited by subsequent sections --> <size>32</size> <!-- this is the default size (number of bits) of all peripherals and register that do not define "size" themselves --> <access>read-write</access> <!-- default access permission for all subsequent registers --> <resetValue>0x00000000</resetValue> <!-- by default all bits of the registers are initialized to 0 on reset --> <resetMask>0xFFFFFFFF</resetMask> <!-- by default all 32Bits of the registers are used --> <peripherals> <!-- Timer 0 --> <peripheral> <name>TIMER0</name> <version>1.0</version> <description>32 Timer / Counter, counting up or down from different sources</description> <groupName>TIMER</groupName> <baseAddress>0x40010000</baseAddress> <size>32</size> <access>read-write</access> <addressBlock> <offset>0</offset> <size>0x100</size> <usage>registers</usage> </addressBlock> <interrupt> <name>TIMER0</name> <value>0</value> </interrupt> <registers> <!-- CR: Control Register --> <register> <name>CR</name> <description>Control Register</description> <addressOffset>0x00</addressOffset> <size>32</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0x1337F7F</resetMask> <fields> <!-- EN: Enable --> <field> <name>EN</name> <description>Enable</description> <bitRange>[0:0]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Disable</name> <description>Timer is disabled and does not operate</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Enable</name> <description>Timer is enabled and can operate</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- RST: Reset --> <field> <name>RST</name> <description>Reset Timer</description> <bitRange>[1:1]</bitRange> <access>write-only</access> <enumeratedValues> <enumeratedValue> <name>Reserved</name> <description>Write as ZERO if necessary</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Reset_Timer</name> <description>Reset the Timer</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- CNT: Counting Direction --> <field> <name>CNT</name> <description>Counting direction</description> <bitRange>[3:2]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Count_UP</name> <description>Timer Counts UO and wraps, if no STOP condition is set</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Count_DOWN</name> <description>Timer Counts DOWN and wraps, if no STOP condition is set</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>Toggle</name> <description>Timer Counts up to MAX, then DOWN to ZERO, if no STOP condition is set</description> <value>2</value> </enumeratedValue> </enumeratedValues> </field> <!-- MODE: Operation Mode --> <field> <name>MODE</name> <description>Operation Mode</description> <bitRange>[6:4]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Continous</name> <description>Timer runs continously</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Single_ZERO_MAX</name> <description>Timer counts to 0x00 or 0xFFFFFFFF (depending on CNT) and stops</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>Single_MATCH</name> <description>Timer counts to the Value of MATCH Register and stops</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>Reload_ZERO_MAX</name> <description>Timer counts to 0x00 or 0xFFFFFFFF (depending on CNT), loads the RELOAD Value and continues</description> <value>3</value> </enumeratedValue> <enumeratedValue> <name>Reload_MATCH</name> <description>Timer counts to the Value of MATCH Register, loads the RELOAD Value and continues</description> <value>4</value> </enumeratedValue> </enumeratedValues> </field> <!-- PSC: Use Prescaler --> <field> <name>PSC</name> <description>Use Prescaler</description> <bitRange>[7:7]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Disabled</name> <description>Prescaler is not used</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Enabled</name> <description>Prescaler is used as divider</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- CNTSRC: Timer / Counter Soruce Divider --> <field> <name>CNTSRC</name> <description>Timer / Counter Source Divider</description> <bitRange>[11:8]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>CAP_SRC</name> <description>Capture Source is used directly</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div2</name> <description>Capture Source is divided by 2</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div4</name> <description>Capture Source is divided by 4</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div8</name> <description>Capture Source is divided by 8</description> <value>3</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div16</name> <description>Capture Source is divided by 16</description> <value>4</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div32</name> <description>Capture Source is divided by 32</description> <value>5</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div64</name> <description>Capture Source is divided by 64</description> <value>6</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div128</name> <description>Capture Source is divided by 128</description> <value>7</value> </enumeratedValue> <enumeratedValue> <name>CAP_SRC_div256</name> <description>Capture Source is divided by 256</description> <value>8</value> </enumeratedValue> </enumeratedValues> </field> <!-- CAPSRC: Timer / COunter Capture Source --> <field> <name>CAPSRC</name> <description>Timer / Counter Capture Source</description> <bitRange>[15:12]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>CClk</name> <description>Core Clock</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_0</name> <description>GPIO A, PIN 0</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_1</name> <description>GPIO A, PIN 1</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_2</name> <description>GPIO A, PIN 2</description> <value>3</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_3</name> <description>GPIO A, PIN 3</description> <value>4</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_4</name> <description>GPIO A, PIN 4</description> <value>5</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_5</name> <description>GPIO A, PIN 5</description> <value>6</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_6</name> <description>GPIO A, PIN 6</description> <value>7</value> </enumeratedValue> <enumeratedValue> <name>GPIOA_7</name> <description>GPIO A, PIN 7</description> <value>8</value> </enumeratedValue> <enumeratedValue> <name>GPIOB_0</name> <description>GPIO B, PIN 0</description> <value>9</value> </enumeratedValue> <enumeratedValue> <name>GPIOB_1</name> <description>GPIO B, PIN 1</description> <value>10</value> </enumeratedValue> <enumeratedValue> <name>GPIOB_2</name> <description>GPIO B, PIN 2</description> <value>11</value> </enumeratedValue> <enumeratedValue> <name>GPIOB_3</name> <description>GPIO B, PIN 3</description> <value>12</value> </enumeratedValue> <enumeratedValue> <name>GPIOC_0</name> <description>GPIO C, PIN 0</description> <value>13</value> </enumeratedValue> <enumeratedValue> <name>GPIOC_5</name> <description>GPIO C, PIN 1</description> <value>14</value> </enumeratedValue> <enumeratedValue> <name>GPIOC_6</name> <description>GPIO C, PIN 2</description> <value>15</value> </enumeratedValue> </enumeratedValues> </field> <!-- CAPEDGE: Capture Edge --> <field> <name>CAPEDGE</name> <description>Capture Edge, select which Edge should result in a counter increment or decrement</description> <bitRange>[17:16]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>RISING</name> <description>Only rising edges result in a counter increment or decrement</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>FALLING</name> <description>Only falling edges result in a counter increment or decrement</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>BOTH</name> <description>Rising and falling edges result in a counter increment or decrement</description> <value>2</value> </enumeratedValue> </enumeratedValues> </field> <!-- TRGEXT: Triggers an other Peripheral --> <field> <name>TRGEXT</name> <description>Triggers an other Peripheral</description> <bitRange>[21:20]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>NONE</name> <description>No Trigger is emitted</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>DMA1</name> <description>DMA Controller 1 is triggered, dependant on MODE</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>DMA2</name> <description>DMA Controller 2 is triggered, dependant on MODE</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>UART</name> <description>UART is triggered, dependant on MODE</description> <value>3</value> </enumeratedValue> </enumeratedValues> </field> <!-- Reload: Selects Reload Register n --> <field> <name>RELOAD</name> <description>Select RELOAD Register n to reload Timer on condition</description> <bitRange>[25:24]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>RELOAD0</name> <description>Selects Reload Register number 0</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>RELOAD1</name> <description>Selects Reload Register number 1</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>RELOAD2</name> <description>Selects Reload Register number 2</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>RELOAD3</name> <description>Selects Reload Register number 3</description> <value>3</value> </enumeratedValue> </enumeratedValues> </field> <!-- IDR: Inc or dec Reload Register Selection --> <field> <name>IDR</name> <description>Selects, if Reload Register number is incremented, decremented or not modified</description> <bitRange>[27:26]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>KEEP</name> <description>Reload Register number does not change automatically</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>INCREMENT</name> <description>Reload Register number is incremented on each match</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>DECREMENT</name> <description>Reload Register number is decremented on each match</description> <value>2</value> </enumeratedValue> </enumeratedValues> </field> <!-- START: Starts / Stops the Timer/Counter --> <field> <name>S</name> <description>Starts and Stops the Timer / Counter</description> <bitRange>[31:31]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>STOP</name> <description>Timer / Counter is stopped</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>START</name> <description>Timer / Counter is started</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> </fields> </register> <!-- SR: Status Register --> <register> <name>SR</name> <description>Status Register</description> <addressOffset>0x04</addressOffset> <size>16</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0xD701</resetMask> <fields> <!-- RUN: Shows if Timer is running --> <field> <name>RUN</name> <description>Shows if Timer is running or not</description> <bitRange>[0:0]</bitRange> <access>read-only</access> <enumeratedValues> <enumeratedValue> <name>Stopped</name> <description>Timer is not running</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Running</name> <description>Timer is running</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- MATCH: Shows if a Match was hit --> <field> <name>MATCH</name> <description>Shows if the MATCH was hit</description> <bitRange>[8:8]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>No_Match</name> <description>The MATCH condition was not hit</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Match_Hit</name> <description>The MATCH condition was hit</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- UN: Shows if an underflow occured --> <field> <name>UN</name> <description>Shows if an underflow occured. This flag is sticky</description> <bitRange>[9:9]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>No_Underflow</name> <description>No underflow occured since last clear</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Underflow</name> <description>A minimum of one underflow occured since last clear</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- OV: Shows if an overflow occured --> <field> <name>OV</name> <description>Shows if an overflow occured. This flag is sticky</description> <bitRange>[10:10]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>No_Overflow</name> <description>No overflow occured since last clear</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Overflow_occured</name> <description>A minimum of one overflow occured since last clear</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- RST: Shows if Timer is in RESET state --> <field> <name>RST</name> <description>Shows if Timer is in RESET state</description> <bitRange>[12:12]</bitRange> <access>read-only</access> <enumeratedValues> <enumeratedValue> <name>Ready</name> <description>Timer is not in RESET state and can operate</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>In_Reset</name> <description>Timer is in RESET state and can not operate</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- RELOAD: Shows the currently active Reload Register --> <field> <name>RELOAD</name> <description>Shows the currently active RELOAD Register</description> <bitRange>[15:14]</bitRange> <access>read-only</access> <enumeratedValues> <enumeratedValue> <name>RELOAD0</name> <description>Reload Register number 0 is active</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>RELOAD1</name> <description>Reload Register number 1 is active</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>RELOAD2</name> <description>Reload Register number 2 is active</description> <value>2</value> </enumeratedValue> <enumeratedValue> <name>RELOAD3</name> <description>Reload Register number 3 is active</description> <value>3</value> </enumeratedValue> </enumeratedValues> </field> </fields> </register> <!-- INT: Interrupt Register --> <register> <name>INT</name> <description>Interrupt Register</description> <addressOffset>0x10</addressOffset> <size>16</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0x0771</resetMask> <fields> <!-- EN: Interrupt Enable --> <field> <name>EN</name> <description>Interrupt Enable</description> <bitRange>[0:0]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Disabled</name> <description>Timer does not generate Interrupts</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Enable</name> <description>Timer triggers the TIMERn Interrupt</description> <value>1</value> </enumeratedValue> </enumeratedValues> </field> <!-- MODE: Interrupt Mode --> <field> <name>MODE</name> <description>Interrupt Mode, selects on which condition the Timer should generate an Interrupt</description> <bitRange>[6:4]</bitRange> <access>read-write</access> <enumeratedValues> <enumeratedValue> <name>Match</name> <description>Timer generates an Interrupt when the MATCH condition is hit</description> <value>0</value> </enumeratedValue> <enumeratedValue> <name>Underflow</name> <description>Timer generates an Interrupt when it underflows</description> <value>1</value> </enumeratedValue> <enumeratedValue> <name>Overflow</name> <description>Timer generates an Interrupt when it overflows</description> <value>2</value> </enumeratedValue> </enumeratedValues> </field> </fields> </register> <!-- COUNT: Counter Register --> <register> <name>COUNT</name> <description>The Counter Register reflects the actual Value of the Timer/Counter</description> <addressOffset>0x20</addressOffset> <size>32</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0xFFFFFFFF</resetMask> </register> <!-- MATCH: Match Register --> <register> <name>MATCH</name> <description>The Match Register stores the compare Value for the MATCH condition</description> <addressOffset>0x24</addressOffset> <size>32</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0xFFFFFFFF</resetMask> </register> <!-- PRESCALE: Prescale Read Register --> <register> <name>PRESCALE_RD</name> <description>The Prescale Register stores the Value for the prescaler. The cont event gets divided by this value</description> <addressOffset>0x28</addressOffset> <size>32</size> <access>read-only</access> <resetValue>0x00000000</resetValue> <resetMask>0xFFFFFFFF</resetMask> </register> <!-- PRESCALE: Prescale Write Register --> <register> <name>PRESCALE_WR</name> <description>The Prescale Register stores the Value for the prescaler. The cont event gets divided by this value</description> <addressOffset>0x28</addressOffset> <size>32</size> <access>write-only</access> <resetValue>0x00000000</resetValue> <resetMask>0xFFFFFFFF</resetMask> </register> <!-- RELOAD: Array of Reload Register with 4 elements--> <register> <dim>4</dim> <dimIncrement>4</dimIncrement> <dimIndex>0,1,2,3</dimIndex> <name>RELOAD[%s]</name> <description>The Reload Register stores the Value the COUNT Register gets reloaded on a when a condition was met.</description> <addressOffset>0x50</addressOffset> <size>32</size> <access>read-write</access> <resetValue>0x00000000</resetValue> <resetMask>0xFFFFFFFF</resetMask> </register> </registers> </peripheral> <!-- Timer 1 --> <peripheral derivedFrom="TIMER0"> <name>TIMER1</name> <baseAddress>0x40010100</baseAddress> <interrupt> <name>TIMER1</name> <value>4</value> </interrupt> </peripheral> <!-- Timer 2 --> <peripheral derivedFrom="TIMER0"> <name>TIMER2</name> <baseAddress>0x40010200</baseAddress> <interrupt> <name>TIMER2</name> <value>6</value> </interrupt> </peripheral> </peripherals> </device>