ST7263BE2 STMicroelectronics, ST7263BE2 Datasheet - Page 57

• Manufacturer Part Number: ST7263BE2
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BE2

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

ST7263Bxx
11.1.8
Register description
Control register (CR)
Reset value: 0111 1111 (7Fh)
Table 18.
0Ch
Address
(Hex.)
WDGA
7
WDGCR
Reset
value
Register
[6:0] T[6:0] 7-bit timer (MSB to LSB).
Label
Watchdog timer register map and reset values
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
These bits contain the decremented value. A reset is produced when it rolls over
from 40h to 3Fh (T6 becomes cleared).
T6
WDGA
0
7
T5
Doc ID 7516 Rev 8
T6
6
1
T5
1
T4
5
Read/write
T4
4
1
T3
T3
3
1
T2
T2
2
1
On-chip peripherals
T1
T1
1
1
T0
57/186
0
T0
0
1