TM-V708A
15
SEMICONDUCTOR DATA
78F4218AGJZXA (TX-RX UNIT CPU : IC604)
Pin No.
Port Name
I/O
Function
Active Level
1
UPLLEN
O
U PLL Enable output
MB1511PFV
2
VPLLEN
O
V PLL Enable output
MB1511PFV
3
PSW1
O
Transceiver main power switch (SBSW)
H:ON
4
PSW2
O
Transceiver main power switch (CPU)
L:ON
5
MIC MUTE1
O
MIC MUTE 1 (MIC input)
H:Mute
H
6
MIC MUTE2
O
MIC MUTE 2 (SPF out)
H:Mute
H
7
RST SW
I
Hard reset switch
Normal:L
8
SHIFT
O
Clock shift
Normal:L
9
VDD
-
Positive power supply
−
10
X2
O
System clock
11.0592MHz
−
11
X1
I
System clock
−
12
VSS
-
GND
−
13
XT2
-
OPEN
−
14
XT1
-
Connect to VSS
−
15
RESET
I
System reset
H:Reset
H
16
BACKUP
I
Power voltage fall detection interrupt
H:Back up mode
H
17
NOT USED
I
Not used
−
18
NC
O
Not used
−
19
NOT USED
I
Not used
−
20
SIS
I
UART control signal input from STN panel
H
21
MUTE5
O
DTMF/1750Hz mute output
H:Mute
22
MIC PWR
I
Remote control keys DOWN, MR, PF, power switch
L
23
AVDD
-
Connect to VDD
−
24
AVREF
-
Connect to VDD
−
25
THP
I
Temperature protection
−
26
SQ14
I
Noise level A/D input (VHF IF)
−
27
SW14
I
S meter level A/D input (VHF IF)
−
28
SQ43
I
Noise level A/D input (UHF IF)
−
29
SM43
I
S meter level A/D input (UHF IF)
−
30
P_DWAN
I
Remote control key A/D input UP, CALL, VFO
−
31
P_UPAN
I
Remote control key A/D input DOWN, MR, PF
−
32
TOIN
I
CTCSS, DCS input
33
AVSS
-
Connect to VSS
−
34
DTMF/1750
O
BEEP/DTMF sound, 1750Hz tone, D/A output
35
TONE
O
D/A output for SUB TONE
36
AVREF
-
Connect to VDD
−
37
RxD2
I
UART data input from PC
L
38
TxD2
O
UART data output to PC
L
39
RTS2
O
UART control signal output to PC
−
40
RxD1
I
Panel UART data input
L
41
TxD1
O
UART data output to panel
L
42
NC
O
Not used
−
43
NC
O
Not used
−
44
STS
O
Not used
−
45
NOT USED
I
Not used
−
46
NC
O
Not used
−
47
NC
O
Not used
−
48
NC
O
Not used
−
49
NC
O
Not used
−
50
PKSD
I
Transmission request DATA-PKS
L:Send from DATA
L
51
SQC1
O
DATA-SQC squelch signal output
H:Open
H
52
NC
O
Not used
−
53
NC
O
Not used
−