Read Sharp ER-A570 (serv.man7) Service Manual online
Pin
No.
Symbol
Signal
name
In/
Out
Function
95
RXD2
RXD2
In
CKDC Interface shift input
data
data
96
TXD2
TXDi
Out
CKDC Interface shift output
data
data
97
VSS
NU
In
GND
89
EXTAL
EXTAL
In
Crystal oscillator connection
99
XTAL
XTAL
In
Crystal oscillator connection
100 VSS
NU
In
GND
101 X
X
Out
System clock
102 E
NU
Out
Nu
103 AS
AS
Out
Address strobe
104 RD
RD
Out
Read
105 HWR
WR
Out
Write
106 LWR
LWR
Out
Nu
107 RFSH
RFSH
Out
Refresh cycle
108 VCC
VCC
In
+5V
109 MD0
MD0
In
+5V (MODE 3)
110 MD1
MD1
In
+5V (MODE 3)
111 MD2
MD2
In
GND
112 STBY
STBY
In
+5V (Nu)
13
Click on the first or last page to see other ER-A570 (serv.man7) service manuals if exist.