Benefon EXION TDP80DN, Service Manual

Page: 34 / 63

9.2.2001
4Z2700GB.fm 7
Product: TDP80DN / OC2720 Processor/Audio/RF
5.2.2 Connectors
5.2.2.1 The system connector
PIN 6: Charging current input, max. 1,0A. Connecting a charger to this pin will
also powers on the mobile phone.
PIN 9: The maximum current from the VBAT line is 300 mA.
PIN 16: The maximum current of DGND pin is 1,0A.
PIN 18: Same as pin 16. The maximum current of DGND pin is 1,0A.
PIN 20: Same as pin 6. The maximum current of CHARGE pin is 1,0A.
The maximum current of all pins except pins 6, 9 and 16 - 20 is 10 mA.
Nbr NAME FUNCTION STATE IN/OUT
1 AGND Analog Ground 0V
2
RS1CTS /
!2CINT RS1 Clear to Send /
I2C Interrupt (NMT) 0V
2,7V
in
3 EXTMIC External MIC line
0V -1,5V pp
DC in
out
4
RS1RTS /
ACCPWR RS1 Ready to Send /
Accessory pwr control 0V
2,7V
out
5 EXTERP
External ERP line +
BOOT pin 0V -1,5V pp
0V/12V DC out
in
6 CHARGE Charging C Power On in
7 HEADSETDET
Headset Detector / Accessory pwr
control 0V
2,7V
in/out
8 RS1RX RS1 Receive Data
0V
2,7V
in
9 VBAT Battery Voltage 2,7V - 6,0V out
10 RS1TX RS1 Transmit Data
0V
2,7V
out
11
NMEAIN /
I2CDATA NMEA input (GPS) /
I2C data (NMT) 0V
2,7V
in/out
12
NMEAOUT /
I2CCLK NMEA output (GPS) /
I2C clock (NMT) 0V
2,7V
out
13 AUXDET
Headset Hook /
Accessory Detector 0V
2,7V
in
14 RS2RX RS2 Receive Data
0V
2,7V
in
15 RS2TX RS2 Transmit Data
0V
2,7V
out
16 DGND Digital Ground 0V
17 NC Not connected in
18 DGND Digital Ground 0V
19 NC Not connected in
20 CHARGE Charging C Power On in