Lex 3I525D, Руководство пользователя

Страница: 34 / 80

30
● CIO1 DIO 0~3 (2x5pin 2.0mm wafer)
● CIO2: DIO 4—7 (2x5pin 2.0mm wafer)
3-7 Digital Input / Output / Watch Dog Time
Note: All DI-0~7 external pull Hi 10K Ω to +V5S
Note:1. DIO port for option only
2. All DI-0~7 external pull Hi 10K
Ω to +V5S
pin1
pin1
CIO2
CIO1
All DIO and WDT DC spec :
Input low Voltage (VIL):+0.8 Max ,
Input High Voltage(VIH) : +2V Min
Output low Current (IOL):10mA (Min) VOL=0.4V
Output High Current (IOH):-10mA (Min) VOL=2.4V
Watch Dog Time value 0~255 sec
The system will be issued reset.
When WDT is enable the hardware start down counter to zero.
The reset timer have 10~20% tolerance upon the Temperature.
Note: Please refer to Page 31 for sample code for detail description
For F75111N / F81801U I2C watch dog timer device:
PIN NO. Description PIN NO. Description
1
3
5
7
9
DI-0
DI-1
DI-2
DI-3
GND
2
4
6
8
10
DO-3
DO-2
DO-1
DO-0
+5V
PIN NO. Description PIN NO. Description
1 DI-4 2 DO-7
3 DI-5 4 DO-6
5 DI-6 6 DO-5
7 DI-7 8 DO-4
9 GND 10 +5V