C8051F709-GQR Silicon Labs, C8051F709-GQR Datasheet - Page 170

• Manufacturer Part Number: C8051F709-GQR
• Description: 8-bit Microcontrollers - MCU 8kB 32B EEPROM Cap Sense
• Manufacturer: Silicon Labs

Specifications of C8051F709-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F70x/71x
SFR Definition 26.1. WDTCN: Watchdog Timer Control
SFR Address = 0xE3; SFR Page = All Pages
170
Name
Reset
7:0
2:0
Bit
Type
4
Bit
WDTTIMEOUT Watchdog Timeout Interval
WDTSTATUS
WDT[7:0]
Name
7
0
WDT Control.
Watchdog Status Bit.
Bits.
6
0
Description
5
0
Rev. 1.0
4
1
WDT[7:0]
Writing 0xA5 both
enables and reloads the
WDT.
Writing 0xDE followed
within 4 system clocks by
0xAD disables the WDT.
Writing 0xFF locks out
the disable feature.
WDTCN[2:0] bits set the
Watchdog Timeout Inter-
val. When writing these
bits, WDTCN[7] must be
set to 0.
R/W
3
0
Write
2
1
0: WDT is inactive
1: WDT is active
1
1
Read
0
1