NX-210(G)
61
TERMINAL FUNCTION
Pin No.
Name
I/O
Function
CN307 (for production)
1~20
CN321
1
OPT1
I/O
Refer to “CN321 26-pin connector
specifi cation” described on pages
65 to 67.
2
OPT3
I/O
3
26P_RD
I
4
26P_TD
O
5
CK
-
6
OPT4
O
7
OPT10
O
8
OPT5
O
9
DGND
-
10
AGND
-
11
AI
I
12
AO
O
13
AGND
-
14
5V
O
15
OPT9
I
16
DTI
I
17
OPT8
I/O
18
OPT11
O
19
OPT7
I/O
20
OPT2
I/O
21
TXO
O
22
RXEO
O
23
RXEI
I
24
TXI
I
25
OPT6
O
26
POW
O
CN301
1
GND
-
GND
2
GND
-
GND
3
NC
-
No connection
4
/LCDRST
O
LCD reset output
5
VLCDLED
O
6key backlight voltage (SB2)
6
/WR
O
WR bus output
7
VLCDLED
O
6key backlight voltage (SB2)
8
A0
O
Address bus 0 output
9
33M
O
3.3V output
10
33M
O
3.3V output
11
NC
-
No connection
12
D0
I/O
Data bus 0
13
NC
-
No connection
14
D1
I/O
Data bus 1
15
NC
-
No connection
16
D2
I/O
Data bus 2
Pin No.
Name
I/O
Function
17
NC
-
No connection
18
D3
I/O
Data bus 3
19
NC
-
No connection
20
D4
I/O
Data bus 4
21
NC
-
No connection
22
D5
I/O
Data bus 5
23
NC
-
No connection
24
D6
I/O
Data bus 6
25
NC
-
No connection
26
D7
I/O
Data bus 7
27
NC
-
No connection
28
LCDCNT
O
LCD contrast output
29
KEYO1
O
Key matrix output (Ko1)
30
KEYO0
O
Key matrix output (Ko0)
31
KEYO3
O
Key matrix output (Ko3)
32
KEYO2
O
Key matrix output (Ko2)
33
/KEYI1
I
Key matrix input (Ki1)
34
/KEYI0
I
Key matrix input (Ki0)
35
/KEYI3
I
Key matrix input (Ki3)
36
/KEYI2
I
Key matrix input (Ki2)
37
/PTT
O
PTT output
38
KEYI4
I
Key matrix input (Ki4)
39
VKEY
O
12key backlight voltage (SB2)
40
VKEY
O
12key backlight voltage (SB2)
41
NC
-
No connection
42
NC
-
No connection
43
5A
O
5V output
44
5A
O
5V output
45
NC
-
No connection
46
INTMIC
I
Internal MIC input
47
NC
-
No connection
48
ME
-
Internal MIC GND
49
GND
-
GND
50
GND
-
GND
CN804
1
NC
-
No connection
2
RXD
I
Serial data input
3
TXD
O
Serial data output
4
5V
O
5V output
5
E
-
GND
6
OPT
I/O
Option interface I/O
7
PF
I
Programmable function key input
8
PTT
I
External PTT input
9
ME
-
External MIC GND
10
EMC
I
External MIC input
11
MSW
I
EXT/INT MIC switch input
