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ST7LITE1 数据表(PDF) 53 Page - STMicroelectronics

部件名 ST7LITE1
功能描述  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 4 TIMERS, SPI
PDF  131 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7LITE1 数据表(HTML) 53 Page - STMicroelectronics

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WATCHDOG TIMER (Cont’d)
11.1.5 Interrupts
None.
11.1.6 Register Description
CONTROL REGISTER (CR)
Read/Write
Reset Value: 0111 1111 (7Fh)
Bit 7 = WDGA Activation bit.
This bit is set by software and only cleared by
hardware after a reset. When WDGA = 1, the
watchdog can generate a reset.
0: Watchdog disabled
1: Watchdog enabled
Note: This bit is not used if the hardware watch-
dog option is enabled by option byte.
Bit 6:0 = T[6:0] 7-bit timer (MSB to LSB).
These bits contain the decremented value. A reset
is produced when it rolls over from 40h to 3Fh (T6
becomes cleared).
70
WDGA
T6
T5
T4
T3
T2
T1
T0
1



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