11
D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
Pin No.
Pin name
I/O
Description
IC801 (SYSTEM CONTROL) T5AW5-NJR2-M1
1
GND
–
Ground terminal.
2
XIN
I
System clock input (4.19MHz).
3
XOUT
O
System clock output (4.19MHz).
4
TEST
I
Test mode terminal (Fixed to “L”).
5
VCPU
–
Power supply for CPU & I/O.
6
P21
–
Not used (OPEN).
7
P22
I
Not used (Fixed to “H”).
8
RESET
I/O
Reset terminal.
9
FOK.I
I
Wake up terminal.
10
NC
–
Not used (OPEN).
11
SCOR_I
I
SCOR pulse input.
12
GRSCOR_I
I
GRSCOR input.
13
AMTE_I
O
Along mute output.
14
XSOE_O
O
Serial enable output.
15
XLAT_O
O
Serial latch output.
16
MSDTI
I
Serial data input from DSP SENS.
17
MSDTO
O
Serial data output.
18
MSCK_O
O
Serial interface clock output.
19
VCPU
–
Power supply for CPU and I/O.
20
VREF_AD
–
Analog reference voltage for A/D converter.
21
AD_CHGMON1
I
Charge monitor input.
22
AD_BATMNT
I
Battery moniter input.
23
AD_KEY2
I
Key input.
24
AD_SEL
I
DRAM, LINE OUT DIGITAL OUT select input.
25
AD_KEY
I
Set’s key detection input.
26
AD_RMKEY
I
Remote contorol key detection input.
27
AD_DCINMNT
I
DC voltage monitoring input.
28
CLOSE
I
OPEN switch status detection input.
29
PPG
–
Not used (OPEN).
30
BEEP_O
O
Beep sound output.
31
TSB_I/O
–
Not used (OPEN).
32
VDD2
–
Power supply terminal.
I
External battery monitor.
I
CD text fuction input. “H”: OFF
O
Not used (Fixd to “L”).
I
Not used (Fixd to “L”).
I
Not used (Fixd to “H”).
I
G-PRPTECTION switch status detection input.
O
Not used (Fixed at “L”).
I
HOLD switch status detection input.
O
Not used (OPEN).
42 to 56
SEG0 to 14
O
LCD segment output.
57 to 60
COM0 to 3
O
LCD common output.
61 to 63
V1 to 3
–
LCD driver booster.
64
C1
–
LCD driver booster.
65
C0
–
LCD driver booster.
66
XWAKEUP_O
O
Wale-up signal output.
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