ST7FMC1K2B3 STMICROELECTRONICS [STMicroelectronics], ST7FMC1K2B3 Datasheet - Page 65
ST7FMC1K2B3
Manufacturer Part Number
ST7FMC1K2B3
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7FMC1K2B3.pdf
(309 pages)
- Current page: 65 of 309
- Download datasheet (6Mb)
WINDOW WATCHDOG (Cont’d)
10.1.9 Interrupts
None.
10.1.10 Register Description
CONTROL REGISTER (WDGCR)
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.
Bits 6:0 = T[6:0] 7-bit counter (MSB to LSB).
These bits contain the value of the watchdog
counter. It is decremented every 16384 f
cles (approx.). A reset is produced when it rolls
over from 40h to 3Fh (T6 becomes cleared).
WDGA
7
T6
T5
T4
T3
T2
T1
OSC2
T0
0
cy-
WINDOW REGISTER (WDGWR)
Read/Write
Reset Value: 0111 1111 (7Fh)
Bit 7 = Reserved
Bits 6:0 = W[6:0] 7-bit window value
These bits contain the window value to be com-
pared to the downcounter.
7
-
W6
W5
W4
ST7MC1xx/ST7MC2xx
W3
W2
W1
65/309
W0
0
1
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