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REV.-A
A.1.1.2 E05A09BA
The E05A09BA is a gate array used to separately control two 4-phase stepper motors.
POT 2
24
Voo
DO
2
23
CS
CO I
3
22
RSf
POT 0
4
21
TMI
POT
5
20
TM2
80 I
6
19
SCK
AO I
7
18
RCK
AD 0
8
17
POT3
AD I
9
16
002
AD 2
10
15
CO 2
AD 3
11
/4
802
Vss
12
13
A02
Figure A-5. E05A09BA Pin Diagram
09
1-----.+--_
AO I
1-----.+---
80 ,
1-----.+---
CO,
1-----.+---
DO
I
POT
0
1-----.+---
POT 1
1--+---
POT 2
1----1---.-
POT
3
09
09
04
O!l
06
07
08
MODE
SELECTOR
00 01020304 O!l 06 0708 09
OA
MOTOR 2
AO 2
.-7----o~PHA~tLSESI----------IGATEI--I----
802
GENERATOR
C02
EN
1--1---.-
DO 2
MOTOR
I
I--+.---o..j PHASE
PULSES
GENERATOR
OA
03
OA
01
I
L
-------,
ADDRESS DECODER
I
- ---+--+-+-+-+-
I
'i'ii'2
-+----o~
CS AD3 AD2 AD' ADO SCK
RCK
R S T
Figure A-6. E05A09BA Block Diagram
A-6
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