TK-3301
10
MCU: R5F212CCKCMD (TX-RX unit IC306)
Pin No.
Signal Name
I/O
Function
1
5T_C
O
5T control
2
PLL_STB
O
PLL strobe
3
5C_C
O
5C control
4
5R_C
O
5R control
5
W/N
O
No function
6
MODE
I
No function
7
AF_CONT
O
Speaker mute
8
BSHIFT
O
Beat shift control
9
RESET
I
MCU reset
10
XOUT
O
MCU clock (14.746MHz)
11
VSS
-
GND
12
XIN
I
MCU clock (14.746MHz)
13
VCC
I
Power supply input
14
QTTCXO
O
QT/DQT output
15
QTVCO
O
QT/DQT output
16~21
AUX6~AUX1
I/O
No function
22
MIC_MUTE
O
MIC mute
23
AF_MUTE
O
No function
24~32
N.C
O
No function
33
RXDATA
I
No function
34
TXDATA
O
No function
35
OPTDET
I
Headset detect
36
TX_SW
O
No function
37
RX_SW
O
No function
38
LEDRX
O
Green LED control
39
LEDTX
O
Red LED control
40
APC_SW
O
APC switch
41
DC_SW
O
No function
42
STD
I
Baseband IC data input
43
1/2 OSC
O
Baseband IC clock (3.6864MHz)
44
INT
I
No function
45
TXD
O
Serial data output
SEMICONDUCTOR DATA
Pin No.
Signal Name
I/O
Function
46
RXD
I
Serial data input
47
DIR
O
Baseband IC data output
48
DI/O
I/O
Baseband IC data input / output
49
DTRLOADN
O
Baseband IC data output
50
TDATA/DTRCLK
O
Baseband IC data output
51
SCLK
O
Serial clock for baseband IC
52
TCLK/DTRDO
I
Baseband IC data input
53
RDF/FD
I
Baseband IC data input
54
MDSW
I
No function
55
PTT
I
PTT switch input
56
SIDE1
I
Side1 key input
57
SIDE2
I
Side2 key input
58~62
EN5~EN1
I
Channel selector input
63
DEST1
I
No function
64
DEST2
I
No function
65
PLL_UL
I
PLL unlock signal input
66
BATT
I
Battery voltage detect
67
RSSI
I
RSSI input
68
BUSY
I
Busy signal input
69
VOX
I
VOX signal detect
70
QT/DQT_IN
I
QT/DQT signal input
71
EEPCLK
O
EEPROM clock
72
EEPDAT
I/O
EEPROM data input / output
73
TH_DET
I
Temperature detect
74
DTMF
I
DTMF/BEEP output
75
AVSS
-
GND
76
PCTV
I
APC control voltage
77
VREF
I
Reference voltage input
78
AVCC
I
Power supply input
79
PLL_DAT
O
PLL data output
80
PLL_CLK
O
PLL clock output
