Aaeon EMB-A50M Manuel d'utilisateur télécharger pdf (Page 41)

Mini-ITX EMB-A50M

Appendix A Programming the Watchdog Timer A-5

1: WDT value is equal to 0.

0: WDT value is not equal to 0.

Watch Dog Timer Configuration Register (Index=72h,

Default=001s0000b)

Bit Description

WDT Time-out Value Select 1

1: Second

0: Minute

WDT Output through KRST (pulse) Enable

1: Enable

0: Disable

WDT Time-out Value Extra Select

1: 64ms x WDT Time-out value (default=4s)

0: Determined by WDT Time-out value select 1 (bit 7 of this

WDT Output through PWRGD Enable

1: Enable

0: Disable

During LRESET# this bit is selected by JP2 power-on

strapping option.

3-0

Interrupt Level Select for WDT

Please refer to Table 8-9 Interrupt Level Mapping Table

Watch Dog Timer Time-out Value (LSB) Register (Index=73h,

Default=38h)

Bit Description

7-0 WDT Time-out Value 7-0

Watch Dog Timer Time-out Value (MSB) Register (Index=74h,

Default=00h)

Bit Description

7-0 WDT Time-out Value 15-8

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 63 64

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Aaeon EMB-A50M Manuel d'utilisateur Page 41