8-2 4bit and 8bit Burst Output Format (Keypad)
1. Data Format
(4bit Burst output format)
Keypads Binary Hexa Keypads Binary Hexa
0
0000
0 6
0110
6
1
0001
1 7
0111 7
2
0010
2 8
1000 8
3
0011
3 9
1001 9
4
0100
4 ESC
1010 A
5
0101
5 ENT
1011 B
(8bit Burst output format)
Keypads Binary Hexa Keypads Binary Hexa
0 11110000 F0
6 10010110 96
1 11100001 E1
7 10000111 87
2 11010010 D2
8 01111000 78
3 11000011 C3
9 01101001 69
4 10110100 B4 ESC 01011010 5A
5 10100101 A5 ENT 01001011 4B
2. Timing Diagram
3.5V
0.5V
100uS
1mS
Data 0
100uS
100uS
Data 1
3.5V
0.5V
5V
5V
0V
0V
11
Содержание SRK101
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