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STR720 数据表(PDF) 307 Page - STMicroelectronics

部件名 STR720
功能描述  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STR720 数据表(HTML) 307 Page - STMicroelectronics

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STR720 - WATCHDOG TIMER (WDG)
307/401
WDT Counter Register (WDTCNT)
Address Offset: 0Ch
Reset value: FFFFh
Bit 15:0 = CNT[15:0]: Timer Counter Value.
The current counting value of the 16-bit Counter is available reading this register.
WDT Status Register (WDTSR)
Address Offset: 10h
Reset value: 0000h
Bit 15:1 = Reserved.
Bit 0 = EC: End of Count pending bit.
1: the End of Count has occurred
0: no End of Count has occurred
In Watchdog Mode (WE = 1) this bit has no effect.
This bit can be set only by hardware and must be reset by software.
WDT Mask Register (WDTMR)
Address Offset: 14h
Reset value: 0000h
Bit15:1 = Reserved.
Bit 0 = ECM: End of Count Mask bit.
1: End of Count interrupt request is enabled
0: End of Count interrupt request is disabled
15
14
13
12
11
10
9
8
765432
1
0
CNT15 CNT14 CNT13 CNT12 CNT11 CNT10
CNT9
CNT8
CNT7
CNT6
CNT5
CNT4
CNT3
CNT2
CNT1
CNT0
rrrrrr
r
r
rrrrr
r
r
r
15
14
13
12
11
10
9
8
765432
1
0
reserved
EC
-rc
15
14
13
12
11
10
9
8
765432
1
0
reserved
ECM
-rw
1



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