Kenwood NX-3400, Руководство по обслуживанию, Страница: 22 / 98

1-22 (No.RA070<Rev.001>)
2.5.3 DISPLAY unit (XC1-209K-02 B/2)
2.5.4 14Pin Universal Connector Specification
Pin No. Name I/O Function
CN301
1 EMG I Emergency input
2 GND - GND
3 SIDE2 I Side 2 input
4 SIDE1 I Side 1 input
5 PTT I PTT input
6 NC - No connection
Pin
No.
Pin Name I/O
Signal
Type
Description
Rating and Condition
Parameter Min Typ Max Unit
1 SSW I Digital Ext/Int speaker switch input
Internal Pull Up@3.2V
MaxCurrent 310uA VIH 2.5 - 5.3 V
VIL 0.0 - 0.15 V
2 SP+ O Analog BTL output for external speaker [ 8 ohm load ]
Max output power
- 1.2 1.5 W
(1kHz , Batt=7.5V) - - -
DC Bias - 2.6 - V
Allowable Frequency 300 - 3000 Hz
3 SP- O Analog [ 16 ohm load ]
Max output power
- 0.8 1.0 W
(1kHz , Batt=7.5V) - - - -
DC Bias - 2.6 - V
Allowable Frequency 300 - 3000 Hz
4 MSW I Digital Ext/Int MIC switch Input External Pull Up
@3.2V 47kohm
& External Pull Up@5.0V 100kohm VIH 3.5 - 5.3 V
VIL 0.0 - 0.15 V
5 EMC I Analog External MIC input Audio Level 7.7 12.5 17.3 mV
(STD deviation) - - - -
Input impedance - 2.2 - kohm
DC Bias - 1.5 - V
Allowable Frequency 300 - 3000 Hz
VBUS Analog USB VBUS(5V) input VIH 4.8 - 5.3 V
VIL 0.0 - 0.50 V
6 ME - - MIC Ground - - - - -
7 PTT I Digital Ext PTT switch input
Internal Pull Up@3.2V 10.6kohm~47.1kohm VIH 2.5 - 5.3 V
VIL 0.0 - 0.40 V
8 PF I Analog Programmable function key input
(Pull Up:3.2V/8.2k)
V(PF2) 3.5 - 3.9 V
V(PF1) 2.5 - 3.5 V
V(BOTH) 1.5 - 2.5 V
V(FIPS) 0.0 - 1.5 V
9 OPT I Digital MIC identification
External Pull Up@5.0V 2.2kohm VIH 4.0 - 5.3 V
VIL 0.0 - 0.4 V
10 GND - - Ground - - - - -