Hytera TM-610 - Page 35

34
4. AF Power Amplifier: TDA7297D (AF Pwr unit IC511)
4-1 Pin Function
Pin No. Name I/O Function
1 PW GND Power ground 1.
2 OUT1+ O Output 1 ＋ .
3 N.C
4 N.C .
5 OUT1- O Output 1 －
6 VCC I Supply voltage .
7 IN1 I Input 1 .
8 MUT I Operation switch
9 STAND-BY I Operation switch
10 PW GND Power ground 2
11 PW GND Power ground 3.
12 N.C
13 SGND Signal ground
14 IN2 I Input 2
15 VCC I Supply voltage
16 OUT2- O Output 2-
17 N.C .
18 N.C
19 OUT2+ O Output 2 ＋
20 PW GND Power ground
5. LCD DRIVER: PCF8576DH ( Display Unit IC501)
Pin No. Name I/O Function
1 N.C.
2 ～ 7 S34 ～ S39
O
Output LCD .
8 ～ 9
N.C.
10 SDA I/O Input/output I
2
C bus serial data
11 SCL O Output I
2
C bus clock
12 SYNC I N.C.
13 CLK I/O N.C.
14 V
DD
Internal quartz crystal oscillator enable
input
15 OSC I
Adress line
16 ～ 18
A0~A2 I
Ground
19 SA0 I N.C.
20 Vss
21 V
LCD
Signal ground
22 ～ 24
N.C.