JVC XV-521BK Service Manual page 29

MN101C12GHA (IC701) : System micom
1.Terminal layout
100 ~ 76
1
25
26 ~ 50
2.Pin function
Pin No. Symbol
1 GND
2 CS0
3 CS1
4 CS2
5 NTSEL
6 POWERSW
7 SAFETEY
8
9
10 VREF+
11 VDD
12 OSC2
13 OSC1
14 VSS
15 -
16 -
17 MMOD
18 OSDCS3
19 RSTE
20 OSDDO
21 S2UDT
22 U2SDT
23 SCLK
24 BUSY
25 CPURST
26 REQ
27 REMO
28 CS3
29
30 TEST
31 TEST
32
33 RESET
34 MT0
35 MT1
36
OSDCK
37
38 NT
39 FS2
40 OPEN
41 CLOSE
42
43
44
45 FLDATAO
75
51
I/O
-
I Setup bit 0 (Effective with U/E versions) software pull-up? available.
I Setup bit 1 (Effective with U/E versions) software pull-up? available.
I Setup bit 2 (Effective with U/E versions) software pull-up? available.
I NTSC/PAL Input select switch
I Power key Input
I
I
I
-
-
O 10MHz
I
-
I Not used. Connect to GND
O Not used.
I Connect to GND
O V. ENCODER Chip select
O V. ENCODER Reset
O V.ENCODER Communications DATA
O Communications DATA OUT between the Unit and the Microprocessor
I Communications DATA IN between the Unit and the Microprocessor
O Communications CLK between the Unit and the Microprocessor
O Communications BUSY between the Unit and the Microprocessor
O Unit microprocessor Reset
I Communications REQ between the Unit and the Microprocessor
I Remote control interruption
I Setup password change judging bit (H change, L Normally)
I
I H: Checker mode, L: Normal mode
I
I
I Reset Input
O Tray motor control 0
O Tray motor control 1
O
O V. ENCODER Communications CK
O NTSC/PAL Switching (V. ENCODER)
O 48kHz/96kHz Switching
I Tray OPEN Switch detection
I Tray CLOSE Switch detection
O
O
O
O FL Driver Communications DATA 0
XV-521BK/523GD/522SL
Function
Software pull-up??? available
Software pull-up??? available
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