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I/O
Pin
Terminal
No.
Name
19 MDATA
O
Serial command data output/
EEPROM data signal input/output
20
STAT
I
Status signal input
21 BLKCK
I
Sub code block clock signal
input
22 MUTEA/
O
Data signal output for LED drive
/ LDATA
23 LD-OFF
O
LD current drive OFF signal
output
24 TYPESEL
I
Not used, connected to GND via
resistor
25 /RESET
I
Reset detect signal input
26 EXT-IN
I
Oscillator connected terminal (F=
32.7 kHz)
27
EXT-
O
OUT
28 XOSCIN
I
System clock signal
29 XOSCOUT O
30
-
GND
V
SS
31
REST
I
Rest detect switch signal input
32 JACKM2
I
Line out connection detect
signal input
33 JACKM1
I
Line out connection detect
signal input
34
ICTRL
O
External battery current control
output
LIMIT
-
Not used, open
35
36 TXPOWER O
Optical output ON signal output
37 POWER
O
Power supply detect signal
output
38 MUTEH
O
Headphone amp muting signal
output
39 PDOWN
I
Headamp power OFF signal input
40 MUTEL
O
Line out muting signal output
41
PC2
O
Driver (3 ch) OFF signal output
42
PC1
O
Driver (1 ch) OFF signal output
43
RW
O
Output for CD-RW
44 JUDGE/
O
Unit inspection OK/XBS ON
signal output
/ XBS
45
X2
O
RF equalizer twice speed signal
output
46
LED
O
LED for rechargeable battery
signal output
47 X3SELCD
-
Not used, open
48 KANASEL
-
Not used, open
Function
19
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