duagon MC50M, User Manual, Page: 75 / 85

Hardware/Software Interface
20MC50M00 E5

2020-10-20 75
Table 36. CPU module user LED and ignition watchdog data register (read) (offset
0x00
)
Table 37. CPU module user LED and ignition watchdog data register (write) (offset
0x01
)
Table 38. CPU module user LED and ignition watchdog configuration register (offset
0x03
)
Bit 7 6 5 4 3 2 1 0
Name
Reserved
WDOG
_EN
USR_LED4 USR_LED3 Reserved
Access
R R R R R
Reset
- - - - -
Bit Field Description
6 WDOG_EN Reset power supply watchdog (ignition)

0: Watchdog reset

1: Normal operation
5:4 USR_LED[4:3] Turn user LED on or off

0: LED on

1: LED off (dimmed)
Bit 7 6 5 4 3 2 1 0
Name
Reserved
WDOG
_EN
USR_LED4 USR_LED3 Reserved
Access
W W W W W
Reset
1 1 1 1 1111
Bit Field Description
6 WDOG_EN Reset power supply watchdog (ignition)

0: Watchdog reset

1: Normal operation
Set the bit in sequence ’1’ > ’0’ to generate a falling edge to reset
the watchdog.
5:4 USR_LED[4:3] Turn user LED on or off

0: LED on

1: LED off (dimmed)
Bit 7 6 5 4 3 2 1 0
Name
Reserved
WDOG
_EN
USR_LED4 USR_LED3 Reserved
Access
- R/W R/W R/W -
Reset
1 1 1 1 1111