ST72F63 STMICROELECTRONICS [STMicroelectronics], ST72F63 Datasheet - Page 35

• Manufacturer Part Number: ST72F63
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

WATCHDOG TIMER (Cont’d)
11.1.8 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
Table 15. Watchdog Timer Register Map and Reset Values
WDGA
Address
(Hex.)
7
0Ch
T6
Reset Value
Register
WDGCR
Label
T5
T4
WDGA
7
T3
0
T2
T6
6
1
T1
T0
0
T5
5
1
hardware after a reset. When WDGA = 1, the
watchdog can generate a reset.
0: Watchdog disabled
1: Watchdog enabled
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).
T4
4
1
T3
3
1
T2
2
1
T1
1
1
ST7263B
T0
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1