32
TK-880
SEMICONDUCTOR DATA
■
Terminal function (TX-RX unit A/2 IC7)
Pin No.
Port
Name
Function
1
STB
ES
Strobe
2
SI
DT
Data
3
CLK
CK
Clock
4
Q1
HORN
Horn alert. H : ON, L : OFF /
Auxiliary A. H : ON, L : OFF
5
Q2
HL
RF power switching. H : High, L : Low
6
Q3
TIMOFF
Timed power off. H : Power off
7
Q4
CODE3
Option board data 1. H : ON, L : OFF
8
VSS
GND
9
NC
10
NC
11
Q8
W/N
Wide/Narrow switching.
H : Wide, L : Narrow
12
Q7
NC
13
Q6
PA1
Public address 1. H : ON, L : OFF
14
Q5
CODE4
Option board data 1. H : ON, L : OFF
15
OE
Output enable
16
VDC
+5V
Shift Register : BU4094BCFV
■
Terminal function (TX-RX unit B/2 IC508)
Pin No.
Port
Name
Function
1
ES
ES1
Strobe
2
DT
DAT
Data
3
CK
Clock
4
Q1
LEDR
Red LED. H : ON, L : OFF
5
Q2
LEDG
Green LED. H : ON, L : OFF
6
Q3
KEYBLT
Key back light. H : ON, L : OFF
7
Q4
MMUTE
MIC mute. H: Mute, L : Unmute
8
VSS
GND
9
NC
10
NC
11
Q8
PA2
Public address control 2. H : ON, L : OFF
12
Q7
BSHIFT
Beat shift. H : ON, L : OFF
13
Q6
KEY
TX power switching. H : TX, L : RX
14
Q5
T/R
TX/RX switching. H : RX, L : TX
15
OE
Output enable
16
VDC
+5V
■
Terminal function (TX-RX unit A/2 IC8)
Pin No.
Port
Name
Function
1
STB
ES
Strobe
2
SI
DT
DATA
3
CLK
CK
Clock
4
Q1
AM1
Audio mute 1. H : Mute, L : Unmute
5
Q2
LOK
Link complete.
(Programmable active H/L)
6
Q3
STR
VCO shift switching. H : TX, L : RX
7
Q4
DM
Dead mute. H : RX, L : TX
8
VSS
GND
9
QS
IC7 data output
10
NC
11
Q8
SQ
External squelch.
(Programmable active H/L)
12
Q7
CODE2
Option board data 2. H : ON, L : OFF
13
Q6
CODE1
Option board data 1. H : ON, L : OFF
14
Q5
OPT
Option board control. H : OFF, L : ON /
Auxiliary B. H : OFF, L : ON
15
OE
Output
16
VDC
+5V.
Содержание TK-880 series
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