TK-3501
9
SEMICONDUCTOR DATA
MCU: F2136ACNFKFMA (TX-RX unit: IC400)
Pin No.
Signal Name
I/O
Function
1
NC
O
NC
2
VREF
-
Reference voltage input
3
MODE
I
Mode select for MCU
4
NC
O
NC
5
NC
O
NC
6
RESET
I
Reset signal input
7
XOUT
O
Oscillation circuit
8
Vss
-
GND
9
XIN
I
Oscillation circuit
10
Vcc
-
Power supply
11
BSFT
O
(Reserve)
12
NC
O
NC
13
NC
O
NC
14
NC
O
NC
15
E2P_WP
O
Write protect for EEPROM
16
E2P_DAT
I/O Data input/output from EEPROM
17
E2P_CLK
O
Clock for EEPROM
18
CLOCK
O
Clock for PLL/DAC IC
19
DATA
O
Data for PLL/DAC IC
20
PLLEN
O
Load enable for PLL IC
21
PLLPS
O
Power saving for PLL IC
22
PLLLD
I
Lock detect signal from PLL IC
23
NC
O
NC
24
EN4
I
Encoder input 4
25
EN3
I
Encoder input 3
26
EN2
I
Encoder input 2
27
EN1
I
Encoder input 1
28
NC
O
NC
29
OPT_DET
I
2pin option detection
30
LED_R
O
LED (red) control
31
LED_G
O
LED (green) control
32
SP_MUTE
O
Power control for EXT AF AMP
33
NC
O
NC
34
5TC
O
5T control
35
5CC
O
5C control (SAVE)
36
5MSC
O
5MS control
37
DACLD
O
Load enable for DAC IC
38
PTTI
I
PTT key input
39
PFKEY
I
PF key input
40
INT
I
INT signal input
41
VDCSW
O
Voltage discharge switch
42
WID/NAR
O
(Reserve)
43
RXD
I
Serial data input (FPU)
44
TXD
O
Serial data output (FPU)
Pin No.
Signal Name
I/O
Function
45
NC
O
NC
46
NC
O
NC
47
VOXINLEVEL
I
VOX level input
48
CV_DET
I
VCO voltage detection
49
LSDO
O
Low speed data output
50
HSDO
O
DTMF/beep output
51
BATT
I
Battery voltage input
52
RSSI
I
RSSI input
53
SQ
I
Squelch input
54
LSDIN
I
LSD input
55
THERM
I
Thermistor input
56
CURREN_DET
I
Current detection
57
T/R_SHIFT
O
VCO shift control
58
5VC
O
5V control
59
NC
O
NC
60
INTSPSW
O
Power control for INT AF AMP
61
INTSPMT
O
Mute control for INT AF AMP
62
TYPE2
I
Destination selection 2
63
TYPE1
I
Destination selection 1
64
5RC
O
5R control
