Control Registers; Watchdog Timer Control Registers; Watchdog Binary Counter - Panasonic MN103S User Manual

Chapter 11
Watchdog Timer

11.2 Control Registers

Watchdog Timer is composed of the watchdog binary counter (WDBC), watchdog timer control register
(WDCTR) and reset control register (RSTCTR).
11.2.1

Watchdog Timer Control Registers

Table: 11.2.1 shows registers which control watchdog timers.
Table:11.2.1 Watchdog Timer Control Registers
Register
WDBC
WDCTR
RSTCTR
R/W Readable / Writable
R Readable only
W Writable only
11.2.2

Watchdog Binary Counter

Watchdog binary counter is used to read the upper 8-bits of a 24-bit binary counter. If the counter value changes
during read, the returned value is not guaranteed.
Watchdog Binary Counter (WDBC: 0x00008200) [8,16-bit Access Register]
bp 7
Flag WD
BC7
At reset 0
Access R
XI - 4 Control Registers
Address R/W Access size
0x00008200 R
0x00008202 R/W
0x00008204 R/W
6 5 4 3
WD WD WD WD
BC6 BC5 BC4 BC3
0 0 0 0
R R R R
Description
8,16 Watchdog binary counter
8,16 Watchdog timer control register
8,16 Reset control register
2 1 0
WD WD WD
BC2 BC1 BC0
0 0 0
R R R
Page
XI-4
XI-5
XI-6