Pin
No.
Mark I/O Function
33 OSC2 O Crystal oscillator output
terminal (f=10.02MHz)
34
V
SS
— GND terminal
35 XI I Not used, connected to GND
36 XO O Not used, open
37 VSS — GND terminal
38 TEST03 O Test signal output terminal
(Not used, open)
39 EEPCS O EEPROM chip select signal
output terminal (Not used,
open)
40 EEPCK O EEPROM clock signal
output terminal (Not used,
open)
41
EEPDATA
I/O EEPROM data in/output
terminal (Connected to
GND through resistor)
42 TEST04 O Test signal output terminal
(Not used, open)
43 TEST05
44 CFSYNC I ATRACK management
frame simultaneous signal
input terminal
45 TEST06 O Test signal output terminal
(Not used, open)
46 TEST07 I Connected to rec/play
switch signal
47 TOK OK O Not used, open
48 HF ON — Drive signal output terminal
to Q3 (POWER SUPPLY
CONTROL)
49 PANEL
CLK
I Panel I/F clock input
terminal
50 PANEL
DATA I
I Panel I/F data input terminal
51 PANEL
DATA O
O Panel I/F data output
terminal
52 PANEL
CS
O Panel I/F chip select output
terminal
53 SELAD O Micro computer I/F address
select output terminal
54 SSCLK O Micro computer I/F clock
output terminal
55 SSDR I Micro computer I/F reading
data input terminal
56 SSDW O Micro computer I/F writing
data output terminal
49