TK-5210
(
G
)
66
TERMINAL FUNCTION
Control unit (X53-4390-XX)
Pin
No
Name
I/O
Function
CN1
1
NC
-
No connection
2
LCDCNT
O
LCD reset output
3
V4
-
Step up capacitor connecting terminal
4
V3
-
Step up capacitor connecting terminal
5
V2
-
Step up capacitor connecting terminal
6
V1
-
Step up capacitor connecting terminal
7
NC
-
No connection
8
NC
-
No connection
9
NC
-
No connection
10
NC
-
No connection
11
NC
-
No connection
12
NC
-
No connection
13
GND
-
GND
14
GND
-
GND
15
NC
-
No connection
16
33M
O
3.3V LCD power supply output
17
33M
O
3.3V LCD power supply output
18
D7
I/O
Data bus 7
19
D6
I/O
Data bus 6
20
D5
I/O
Data bus 5
21
D4
I/O
Data bus 4
22
D3
I/O
Data bus 3
23
D2
I/O
Data bus 2
24
D1
I/O
Data bus 1
25
D0
I/O
Data bus 0
26
33M
O
3.3V LCD power supply output
27
/WR
I/O
WR Bus
28
AO
O
Address bus 0 output
29
/LCDRST
O
LCD reset output
30
/WR
I/O
WR Bus
CN34
1
INT SP+
O
BTL for internal spaker
2
INT SP+
O
BTL for internal spaker
3
INT SP-
O
BTL output - for internal spaker
4
INT SP-
O
BTL output - for internal spaker
5
INT MIC+
I
Internal MIC input
6
INT MIC-
-
Internal MIC GND
Pin
No
Name
I/O
Function
CN35
1
NC
-
No connection
2
L_MIC
I
Noise canceler MIC
3
MICE
-
MIC GND
4
GND
-
GND
5
CH_A
I
Rotary switch input 1
6
CH_B
I
Rotary switch input 2
7
CH_C
I
Rotary switch input 3
8
CH_D
I
Rotary switch input 4
9
31BU
-
3.1V
10
S31BUS
-
3.1V
11
33M
-
3.3V
12
TGL0
I
Lever switch input 0
13
TGL1
I
Concentric switch input 1
14
TGL2
I
Concentric switch input 2
15
BLED
-
Busy LED control
16
TXLED
-
TX LED control
17
ORG
I
Orange key detect
18
VoL
I
Volume level input
19
GND
-
GND
20
GND
-
GND
CN38
1
PF2
O
Key output (Side2 key)
2
PF3
O
Key output (Side3 key)
3
KoPF
I
Key input
4
L_PTTG
I
PTT GND
5
L_PTT
I
PTT input
6
PF1
O
Key output (Side1 key)
CN40
1
GND
-
GND
2
GND
-
GND
3
I2CSDA
O
I2C BUS data
4
I2CCK
I/O
I2C BUS clock
5
GND
-
GND
6
GND
-
GND
7
RXAF
O
AF from ASIC
8
AF
I
AF after passing through the DAC
(IC502)
9
MICE
-
MIC GND
10
MIC
I
MIC signal input
11
33C
-
3.3V
12
MICmain
O
INT MIC signal output
13
AFC
O
AFC signal
14
GND
-
GND
15
MOD
O
Modulation signal from ASIC