Pin Description Of The Dsp Baseband Asic - Benefon EXION TDP80DN Service Manual

Analog interface:
- 2 speech Analog-to-digital converters (ADC), for microphone and RX
- 2 speech Digital-to-analog converters (DAC), for earphone and TX
- 8-input 10-bit ADC
- 6 10-bit DACs
An interrupt controller
An external bus interface
A real-time clock
Power on/off logic

5.2.1 Pin description of the DSP baseband asic

180 pin FBGA
Pin Name
CAP
MIC1+
MIC1-
MIC2+
MIC2-
XMIC
RX 1
MOD 4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
HEAR
XEAR
EAR+
EAR-
AGND0
AGND1
AGND2
AGND3
4Z2700GB.fm
Number Pin
176 A3
172 A4
169 B5
170 D6
171 C5
173 B4
A1 AI
C3 AO
178 C4
179 A2
180 B2
177 B3
2 B1
6 C1
157 A8
158 C8
159 D8
160 B7
161 A7
162 C7
164 B6
165 A6
10 D1
5 C2
7 D4
9 D2
11 D3
163 D7
166 C6
168 A5
Product: TDP80DN /
9.2.2001
Type Function
AIO Blocking capacitor of voltage reference
AI Positive microphone input
AI Negative microphone input
AI Positive microphone input
AI Negative microphone input
AI External microphone input
Receive signal analog input
Transmit signal analog output
AO Digital to analog converter 0 output
AO Digital to analog converter 1 output
AO Digital to analog converter 2 output
AO Digital to analog converter 3 output
AO Digital to analog converter 4 output
AO Digital to analog converter 5 output
AI Analog to digital converter 0 input
AI Analog to digital converter 1 input
AI Analog to digital converter 2 input
AI Analog to digital converter 3 input
AI Analog to digital converter 4 input
AI Analog to digital converter 5 input
AI Analog to digital converter 6 input
AI Analog to digital converter 7 input
AO Headset earphone output
AO External earphone output
AO Positive earphone output
AO Negative earphone output
P Analog ground
P Analog ground
P Analog ground
P Analog ground
OC2720 Processor/Audio/RF
3