Star Dot Impact Printer Specifications page 51

The following drawing shows the relationship of the print head needle wires and the data.
1. When m = 0, 1 (9-dot bit image)
Pin Used
1
2
3
4
5
6
7
8
9
2. When m = 2, 3 (16-dot bit image)
2
4
6
8
10
12
14
16
STAR Command Specifications
dn: 1 to 8 pin data
MSB
b7 b6 b5
b7 b6 b5
MSB
dn + 1: 9 pin data
dn: 1 to 8 pin data
MSB
Pin Number
1
3
5
7
9
11
13
15
MSB
dn + 1: 9 to 16 pin data
LSB
b4 b3 b2 b1 b0
b4 b3 b2 b1 b0
LSB
b7 b6 b5 b4 b3
b7 b6 b5 b4 b3
3-43
LSB
b2 b1 b0
b2 b1 b0
LSB
Rev. 0.70