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E m b e d d e d B o x
T K S - G 2 1 - C V 0 5
Chapter 2 Quick Installation Guide
2 - 9
2.6 Digital I/O Connector (CN7)
Note:
The max. rating of Pin 1 ~ Pin 8 is 3.3V@8mA
The max. rating of Pin 9 is [email protected]
This connector offers 4-pair of digital I/O functions.
BIOS using the I2C Bus to read/write internal DIO registers and the Serial Bus
address is 0x6E.
The pin definitions are illustrated below:
Pin
Signal Pin
Signal
1
Port 1
2
Port 2
3
Port 3
4
Port 4
5
Port 5
6
Port 6
7
Port 7
8
Port 8
9 +3.3V
10
Ground
Address(Register)
BIOS Setting
(I2C address)
Connector
Definition
Output
Input
F75111 GPIO Setting
Port 1 @6Eh
Pin 1
21h/Bit 0
22h/Bit 0
U44 Pin 6 (GPIO 20)
Port 2 @6Eh
Pin 2
21h/Bit 1
22h/Bit 1
U44 Pin 7 (GPIO 21)
Port 3 @6Eh
Pin 3
21h/Bit 2
22h/Bit 2
U44 Pin 8 (GPIO 22)
Port 4 @6Eh
Pin 4
21h/Bit 3
22h/Bit 3
U44 Pin 24(GPIO 23)
Port 5 @6Eh
Pin 5
21h/Bit 4
22h/Bit 4
U44 Pin 23(GPIO 24)
Port 6 @6Eh
Pin 6
21h/Bit 5
22h/Bit 5
U44 Pin 22(GPIO 25)
Port 7 @6Eh
Pin 7
21h/Bit 6
22h/Bit 6
U44 Pin 21(GPIO 26)
Port 8 @6Eh
Pin 8
21h/Bit 7
22h/Bit 7
U44 Pin 20(GPIO 27)
Содержание TKS-G21-CV05
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