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27.1.1999
4A0701GB.__1
3
Product: TDP-52-SN3 (Sigma Gold) / OA0701 Processor
5.1.2 Connectors:
5.1.2.1 RF-Module, V102 20 pin connector
5.1.2.2 Keyboard module + systemconnector lines
V101 40 pin connector
1 SSDATA RX and TX data to the splitter 0/5V
2 SSCLK RX and TX data clock 0/5V
3 SSLE RX and TX divider enable pulse 5V
4 SRX_REG rx vco start up 5V
5 STX_REG tx vco start up 5V
6SAFC
frequency compensation control
voltage
approx 2.5V
7 SSNTC temperature data, analog 0-5V
8 SRXAUDIO RX audio signal 220 mVrms
9 SRSSI RX signal strength indicator, analog 0-5V
10 GND ground
11 S450K 450kHz for AFC measurement approx 1Vpp
12 GND ground
13 SDTUNE not function
14 SSPARE not function
15 VB power supply from the battery 6V
16 VB
17 VB
18 STXBIAS TX initiate, 0V = TX OFF 0/5V
19 STXPWR TX power control, analog 0-5V
20 STXAUDIO TX audio signal 220 mVrms
1 VB power supply from battery 6V
2VB
3VB
4VB
5VB
6 EXTMIC external audio from the microphone 400 mVrms
7 EXTERP
external audio to the speaker ampli-
fier
220 mVrms
8 XCADET carbox identification 0/5V
9 I2CINT i2c interrupt, radio input 0/5V
10 SGL i2c clock 0/5V
11 SDA i2c data 0/5V
12 TXD rs232 out 0/5V
13 RXD rs232 in 0/5V
14 XEXTIO reserve 0/5V
15 GND ground