Kenwood TK-5210 Modification Information page 6

1 TERMINAL FUNCTION
Pin
Name I/O
No.
11 5M
12 TXD O
13 RXD I
14 NC (E)
1.2 26-pin Connector
26-pin connector is available on the PCB of the transceiver and various optional accessory boards can be installed using
this connector.
26-pin Board to Board Connector (CN600)
No. Name I/O Connection
O
CODE SELECT 1 (SC20-460)
1 OPT1 O
Channel Busy (QE-2)
BUSY (VGS)
I
O
CODE SELECT 2 (SC20-460)
2 OPT3 I
KEY (QE-2)
I PLAY (VGS)
3 RXD1 I
SO (VGS)
PTT (SC20-460)
4 TXD1 O
SI (VGS)
5 NC -
NC (CK)
O
PTT (QE-2)
6 OPT4 O
EN (VGS)
O
7 USEL O
USEL (VGS)
O
CODE SELECT 8 (SC20-460)
8 OPT5 O
Emergency (QE-2)
O RST (VGS)
GND (SC20-460)
9 DGND -
A- (QE-2)
DGND (VGS)
GND (SC20-460)
10 AGND -
A- (QE-2)
AGND (VGS)
11 AI I
AO (VGS)
12 AO O
AI (VGS)
GND (SC20-460)
13 AGND -
A- (QE-2)
AGND (VGS)
A+ (QE-2)
14 5 A O
5C (VGS)
15 STON I
Sidetone (QE-2)
2
Contents
Analog/
Function
Digital
5 V
D Serial Data Output
D Serial Data Input
Not used (GND)
Table 1-2 26-pin Connector Assignment
SCRAMBLER
SCRAMBLE CODE
SIGNAL OUTPUT1
L ≤ 0.45 V H ≥ 4.7 V/ 25kΩ load
SCRAMBLE CODE
SIGNAL OUTPUT2
L ≤ 0.45 V H ≥ 4.7 V/ 25kΩ load
-
PTT SIGNAL OUTPUT
"L": TX "H": Not TX
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
-
-
-
SCRAMBLE CODE
SIGNAL OUTPUT4
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
GND
GND
-
-
GND
-
-
5 V Power Supply Output
(FPU programmable Output Control)
Maximum Output Current: 140 mA
≤
L 0.45 V, H
Baud rate: 115200 bps maximum
≤
Input: L
Baud rate: 115200 bps maximum
Function and Specification
ANI
TX SENS SIGNAL output
Conv. "L": TX "H": Not TX
LTR "L": Link complete
"H": Not Link complete
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
TX CONTROL SIGNAL INPUT
Active "L", L ≤ 1.0 V, H ≥ 4.0 V
Input Voltage: 0 V to 5.0 V
-
-
-
PTT SIGNAL OUTPUT
"L": TX, "H": Not TX
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
-
EMERGENCY SIGNAL OUTPUT
"L": Emergency function is
operated
"H": Emergency function is not
operated
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
GND
GND
-
-
GND
5 V power supply (78 mA
maximum)
SIDETONE INPUT
1 kHz 5 Vp-p
Confidential
Specification
≥ Ω
4.7 V/ 25k load
≥
1.0 V, H 3.3 V
-
VGS-1
BUSY indication
"H": Active
470kΩ pull up to 3.3 V
L ≤ 1.0 V, H ≥ 4.0 V
Input Voltage: 0 V to 5.0 V
PLAY indication
"H": Active L ≤ 1.0 V, H ≥ 4.0 V 470kΩ pull up to 3.3 V
Input Voltage: 0 V to 5.0 V
Serial Data input
L ≤ 1.0 V, H ≥ 4.0 V 470kΩ pull up to 3.3 V
Input Voltage: 0 V to 5.0 V
Serial Data output
470kΩ pull up to 3.3 V
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
(CK)
Enable
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
Connected to GND
UART speed select output
"L": 19200 bps fixed level in radio.
RESET output
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
Digital GND
Analog GND
VGS Audio input
Zin ≥ 70kΩ 450 mVrms
(Standard modulation)
3 Vp-p (maximum)
VGS Audio output
Zo ≤ 12kΩ 15 mVrms
(Standard modulation)
100 mVp-p (maximum)
Analog GND
5 V power supply (78 mA
maximum)
470kΩ pull up to 5 V
-
MOD (K)/Ver. 1.04
Notes