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ST7263BEx Datasheet(PDF) 57 Page - STMicroelectronics

Part # ST7263BEx
Description  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
PDF  186 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263BEx Datasheet(HTML) 57 Page - STMicroelectronics

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ST7263Bxx
On-chip peripherals
Doc ID 7516 Rev 8
57/186
11.1.8
Register description
Control register (CR)
Reset value: 0111 1111 (7Fh)
7
0
WDGA
T6
T5
T4
T3
T2
T1
T0
Read/write
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
[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).
Table 18.
Watchdog timer register map and reset values
Address
(Hex.)
Register
Label
76
5
4
321
0
0Ch
WDGCR
Reset
value
WDGA
0
T6
1
T5
1
T4
1
T3
1
T2
1
T1
1
T0
1



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