JVC MX-J270V Service Manual page 39

MN171601AK8J2 (IC111) : HOST Micro Computer
1.Terminal Layout
64 49
48
1
33
16
17 32
2.Pin Function
Symbol
Pin No.
480RST
1
MREQ
2
ACTINT
3
GDET
4
GND
5
DTACK
6
GND
7
GND
8
DIR
9
N/PAL
10
RGB
11
W/R
12
HA02
13 15
DS
16
HD07
17 24
SA014
25 39
SCS
40
SD18
41 48
SR/W
49
PAL60
50
RESET
51
X1
52
X2
53
VSS
54
OSC2
55
OSC1
56
VDD
57
HREQ
58
SRCLK
59
M2HDT
60
M2MDT
61
HRDY
62
VCD/G
63
PALCDG
64
I/O
Reset signal output.
O
Input the transfer request data signal.
I
Interact 2 signal input.
I
CD-G detect terminal H:CD-G
I
Connected to GND.
-
Acknowledge signal input.
I
Connect to GND.
-
Connect to GND.
-
Input/Output control for IC114.
I/O
Not use.
-
Video out control signal (H:RGB L:composite)
O
Read/Write signal input/output.
I/O
Address signal output for MPEG LSI.
O
Data strobe signal output.
O
Data terminal for MPEG LSI.
I/O
SRAM address signal output.
O
SRAM chip select signal output.
O
SRAM data Input/Output terminal.
I/O
SRAM read/write signal input/output.
I/O
Not use.
-
Reset signal input.
I
Non connect
-
Non connect.
-
Connect to GND.
-
Non connect.
-
Clock input terminal.
I
Power supply.
-
Communication signal output.
O
Clock signal for data request.
O
Serial data output.
O
Serial data input.
I
Communication signal output.
O
Video swith switching signal output.
O
CD-G PAL/NTSC clock select terminal.
O
Function
MX-J270V
1-39