Sram Check; Green Led - Kenwood KDC-9023R Service Manual

Hide thumbs Also See for KDC-9023R:
Table of Contents

Advertisement

KDC-9023R
/PSW9524/X969
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Pin Name
100
NC
101

SRAM CHECK

102
FLASHROM CHECK
103
NC
104
CS ROM
105
NC
106
CS RAM
107
NC
108
UBE
109
LBE
110
RED LED
111

GREEN LED

112
3.3V VDD
113
VSS
114~117
NC
118~123
A20~A15
124
3.3V VDD
TE
125
VSS
L 13942296513
126~133
A14~A7
134
3.3V VDD
135
VSS
136~142
A6~A0
143
NC
144
D15
www
.
14
I/O
Purpose / Description
O
O
SRAM write check.
O
Flash ROM write check.
O
I/O
ROM chip enable.
O
I/O
SRAM chip enable.
O
I/O
SRAM Write/Read.
I/O
SRAM Write/Read.
O
Illumination red changeover.
O
Illumination green changeover.
-
PAN 3.3V
-
Vss
O
I/O
Address
-
PAN 3.3V
-
Vss
I/O
Address
-
PAN 3.3V
-
Vss
I/O
Address
O
I/O
External ROM data.
x
ao
u163
y
i
2 9
8
Procesing Operation
Output : L
OK : L, NG : L (Check land necessary)
OK : L, NG : L (Check land necessary)
Output : L
L : Data communication, Hi-Z : waiting
Output : L
L : Data communication, Hi-Z : waiting
Output : L
L : Prohibit, Hi-Z : Inhibit
L : Prohibit, Hi-Z : Inhibit
H : ON, L : OFF
H : ON, L : OFF
Output : L
Not access : Hi-Z
Q Q
3
6 7
1 3
1 5
Not access : Hi-Z
Not access : Hi-Z
Output : L
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9

Advertisement

Table of Contents
loading

This manual is also suitable for:

Kdc-psw9524Kdc-x969

Table of Contents