Epson SQ-B50/2550 Technical Manual page 265

Table A-3. E05A09BA Terminal Functions
REV.-A
Pin
Terminal I/O Description
No.
8 ADO I Address bus 0
9 ADl I Address bus 1
10 AD2 I Address bus 2
1 1 AD3 I Address bus 3
- -
I Motor synchronous pulse
21
TMl
20
TM2 I Motor synchronous pulse
- - -
I Read pulse
18
RCK
19 SCK I Write pulse
- - -
0 Motor reference voltage
4
POTO
#0 OFF/ON
- -
0 Motor reference voltage
5
POTl
#1 OFF/ON
- - -
0 Motor reference voltage 1 POT2
#2 OFF/ON
- -
0 Motor reference voltage 17 POT3
#3 OFF/ON
7
AOl 0 Motor coil A
6
801 0 Motor coil 8
3
COl 0 Motor coil C
2
DOl
0
Motor coil D
13 A02 0 Motor coil A
14
802 0 Motor coil 8
15 CO2
0 Motor coil C
16
D02
0
Motor coil D
- -
I Reset signal 22 RST
23 CS I Chip select
24 VDD I +5 VDC
12 Vss - Ground
A-7