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TK-5210
(
G
)
71
TERMINAL FUNCTION
Universal Connector
Pin
No
Name
I/O
Function
1
SSW
I
EXT/INT speaker switch input
L: External speaker ON
H: Internal speaker ON
2
SP+
O
BTL for external speaker
Standard load 8
Ω
3
SP-
O
BTL output - for external speaker
Standard load 8
Ω
4
MSW/CTS
I
EXT/INT MIC switch input
L: External MIC ON
H: Internal MIC ON
5
EMC
I
External MIC input
Impedance: 1.8k
Ω
6
MICE
-
External MIC GND
7
PTT
I
External PTT input
L: PTT ON
8
PF
I
Programmable function key input
Input voltage: 0V~3.3V
9
OPT
I/O
Aux I/O port (for EXT option)
Input: L
≤
0.66V H
≥
2.65V
Output:
L
≤
0.6V (lo=5mA) H
≥
4.0V (lo=15uA)
10
E
-
GND
11
5M
O
5V power supply output
(Output control is FPU programmable)
Max output current: 140mA
12
TXD
O
Serial data output
Baud rate: 115200 bps max
13
RXD
I
Serial data input
Baud rate: 115200 bps max
14
NC
-
Not used
Option board unit (X57-7650-10 C/4)
Pin
No
Name
I/O
Function
CN923
1
OPT1
I
Refer to “CN923 26-pin connector
specifi cation” described on pages
73.
2
OPT3
O
3
RXD1
I
4
TXD1
O
5
NC
-
6
OPT4
O
7
NC
-
8
OPT5
O
9
DGND
-
10
AGND
-
11
NC
I
12
NC
O
13
AGND
-
14
5A
-
15
STON
-
16
DI/ANI
-
17
TCONT
-
18
MANDOWN
-
19
INH
-
20
OPT2
-
21
TX0
-
22
RXEO
-
23
RXEI
-
24
TXI
-
25
C3
-
26
SB
O