KS-FX742R
1-28 (No.49816)
4.8 UPD178078GF-596 (IC701) : System CPU
• Pin layout
• Pin function
80 ~ 51
1 ~ 30
50
~
31
81
~
100
Pin No. Symbol I/O Function
1 PS1(on) I ACC ON/OFF detection signal input
2 PS2(stop) I Memory ON/OFF detection signal input
3 POWER O POWER ON/OFF control output
4 STAND BY I Stand-by position detection signal input
5 TAPE IN I Cassette tape inside signal
6 NC O OUTPUT L
7 J-BUS I/O O J-BUS I/O selection output
8 J-BUS IN I J-BUS data input
9 J-BUS OUT O J-BUS data output
10 J-BUS SACK I/O J-BUS clock output/input
11 NC O OUTPUT L
12 I2C DA I/O E.VOL I2C data input/output
13 I2CSCK O E.VOL I2C clock
14 MODE I Mecha position detection signal
15 SUBMO+ O Sub motor control. Loading direction
16 SUBMO- O Sub motor control. Eject direction
17 REEL I Reel pulse signal input
18 MS IN I MS signal input
19 DOLBY O Dolby ON/OFF control
20 HEAD SULFUR) O Audio signal selector for head amp
21 FREE O Audio level control for MS
22 MOTOR O Main motor control
23 LEVEL I Level meter input
24 SO I S DMETER input
25 SQ I SQ level input
26 NC I Connect to GND
27 ADD - -
28 NC I Connect to GND
29 KEY I A/D key input 0
30 KEY I A/D key input 1
31 KEY I A/D key input
32 AVIS - -
33 REGCPU - -
34 ADD - -
35 REGOSC - -
36 X2 - X'tal
37 X1 I X'tal
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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