YanLing Intel Celeron N3160 - Chapter VI Watch Dog Setting

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Chapter VI watch dog setting
name
length
I/O address
Register specification
IoIndexPort
8bits
0x2E
Address access register
IoDataPort
8bits
0x2F
Data access register
name
length
IO address
Register specification
DevSel
8bits
0x07
Device choose register
WDTCtl
8bits
0x72
Watch dog controls register
Bit7: 1=second mode
0=minute mode
bit 4：1=watch dog on
0=watch off
WDTCount
8bits
0x73
Watch dog’s timely register 0-255
watchdog configuration steps:
1: watchdog on
2: choose timely mode（minute/second）
3：setting counter, watchdog will be automatic count time when register change to more
than “0”(means 1)，when counter change to “0”，system will be reboot.
Example:
// UINT8 IoRead8(UINT16 IoAddr)—from appointed I/O address to read 8bits data
// void IoWrite8(UINT16 IoAddr,UINT8 Data)—to appointed I/Oaddess write 8bits data
#define BIT4 1<<4
#define BIT7 1<<7
#define IndexPort 0x2E