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Tx-rx unit (x57-6990-10) (b/3), Tk-8180, Terminal function – Kenwood TK-8180 User Manual

Page 47

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TK-8180

47

Pin No.

Name

Description

J701 (ACC 25-pin)

1

NC

Non-connenction.

2

RXD1

Serial data input 1. RS-232C level.

Input voltage range :

±30V max.

L

≤0.4V, H≥2.4V, Zi≥5kΩ

3

TXD1

Serial data output 1. RS-232C level.

L

≤–5V, H≥5V/3kΩ load, Zo≤2kΩ

4

AUXI/O9

AUX input/output 9.

Active low with 47k

Ω pull-up to 5V

5

DI

Data signal input.

Data input level adjustable (2.0Vp-p typ.)

6

MI2

External MIC input. DC-coupled

7

GND

Ground.

8

AUXI/O8

AUX input/output 8. Same as AUXI/O9

9

TXD2

Serial data output 2. TTL level.

L

≤0.7V, H≥4.2V/25kΩ load, Zo≤1kΩ

10

RXD2

Serial data input 2. TTL level.

Input voltage range : +5/0V max.

L

≤0.8V, H≥4.2V

11

GND

Ground.

12

AUXI/O7

AUX input/output 7. Same as AUXI/O9

13

AUXI/O6

AUX input/output 6. Same as AUXI/O9

14

SB

Power output after power switch.

DC13.6V

±15%, 2.0A max.

15

AUXO2

AUX output 2. Open collector (500mA max.)

(Default none) L

≤0.3V

16

AUXO1

AUX Output 1. Same as AUXO2

17

AFO

RX filtered audio output (DC-coupled).

AF low level output.

Wide : 700mVp-p typ.

Narrow : 700mVp-p typ. (Standard modulation)

18

GND

Ground.

19

DEO

Detected signal output (DC-coupled).

AF output level adjustable (740mVp-p typ.)

20

AUXI/O5

AUX input/output 5. Same as AUXI/O9

21

AUXI/O4

AUX input/output 4. Same as AUXI/O9

22

AUXI/O3

AUX input/output 3. Same as AUXI/O9

23

AUXI/O2

AUX input/output 2. Same as AUXI/O9

24

AUXI/O1

AUX input/output 1. Same as AUXI/O9

25

ME

MIC ground.

TX-RX unit (X57-6990-10) (B/3)

Pin No.

Name

Description

CN301 (to TX-RX unit C/3)

1

REF

Reference signal otput to the PLL IC.

2

Fin

Complementary signal output to the PLL IC.

3

CPGND

Ground.

4

5C

5V output.

5

GND

Ground

6

CP

Signal input from charge pump block in the PLL IC.

CN302 (to TX-RX unit C/3)

1

UL

Control signal input form the PLL IC.

2

PLE

Control signal output to the PLL IC.

3

DT

Control signal output to the PLL IC.

4

PCK

Control signal output to the PLL IC.

5

GND

Ground.

6

DGND

Ground.

CN403 (to VGS-1)

1

OPT1

VGS busy signal input. Option boad I/F 1.

Output : L

≤0.45V, H≥4.7V/25kΩ load

Input : L

≤1.0V, H≥4.0V, Input voltage : 0V~5.0V

2

OPT3

VGS playback signal input. Option boad I/F 3.

Output : L

≤0.45V, H≥4.7V/25kΩ load

Input : L

≤1.0V, H≥4.0V, Input voltage : 0V~5.0V

3

RXD1

Serial data input.

Input : L

≤1.0V, H≥4.0V, Input voltage : 0V~5.0V

4

TXD1

Serial data output / PTT singanl output (SC20-460).

Output : L

≤0.45V, H≥4.7V/25kΩ load

5

CLK

Serial clock output.

6

OPT4

VGS enable output. Option boad I/F 4.

Output : L

≤0.45V, H≥4.7V/25kΩ load

7

USEL

UART speed select output. L : 19200bps fixed

8

OPT5

VGS reset signal output. Option boad I/F 5.

Output : L

≤0.45V, H≥4.7V/25kΩ load

9

DGND

Ground.

10

AGND

Ground.

11

AO

VGS audio input. Zin

≥10kΩ, 1Vp-p max,

Input Voltage : 0V~5.0V

12

AI

VGS audio output. Zo

≥10kΩ

13

AGND

Ground.

14

5E

5V power supply output. 78mA max

15

STON

Side tone input. 1kHz, 5Vp-p

TERMINAL FUNCTION