Pin
No.
Mark
I/O
Division
Function
12
OSC2
I
System clock input
terminal (f=10.02MHz)
13
OSC1
O
System clock output
terminal (f=10.02MHz)
14
VSS
—
GND terminal
15
XI
I
Sub clock input terminal
(Not used, connected to
GND)
16
XO
O
Sub clock output terminal
(Not used, open)
17
MMOD
—
Memory mode select input
terminal (Connected to
GND)
18
REM
DATA
O
LCD driver data output
terminal
19
LINK
RXD
I
Link serial input terminal
20
NC
O
Not used
21
SSDW
O
MSP/MDA interface writing
data output terminal
22
SSDR
I
MSP/MDA interface reading
data input terminal
23
SSCLK
O
MSP/MDA interface data
forward clock output
terminal
24
BUZZER
O
Buzzer output trminal
25
RST
I
Reset signal input terminal
26
SELAD
O
MSP/MDA interface
address signal output
terminal
27
ATRAC
CNT
O
ATRAC contorl output
terminal (“H”:NORMAL, “L”
:HiFi)
28 LCD STB
O
LCD driver strobe signal
output terminal
29
REC
SENSE
O
REC sensitivity select
output terminal
30
MONO/
ST
O
REC amp monaural/stereo
select terminal
31 WAKEUP
I
Micro computer wake up
signal input terminal
32
MDISY
I
Leader synchronize signal
from IC101 input terminal
45
