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TRI
TRI
TRI
TRI
TRI
Vcc
LPT port
2-D0
14-AUTO FEED
3-D1
4-D2
5-D3
8-D6
6-D4
10-ACK
11-BUSY
13-SLCT
GND
18-25
Vcc
GND
ByteBlaster II pins
* Series resistors typically 100 Ω
Target device (EPCS1) pins are 3.3V tolerant
VCC = 3.3 V
4
1
5
8
6
9
3
7
2, 10
15-ERROR