Sony SPP-S9000 Service Manual page 27

• HAND MAIN BOARD IC401 R6753-71 (HUMMINGBIRD ASIC)
Pin No. Pin Name
1 VSSC
2 VDDP
VSSP
3
4 OSCO
5 OSCI
6 RING ON/OFF
7 GPOC0/SWCTL
8 KEYPADR3
9 KEYPADR2
10 KEYPADR1
11 KEYPADR0
12 JOG-B
13 JOG-A
14
HB-SELECT
15 VDDP
16 VSSP
17 HEADSET DET
18 N/A
19 VDDC
20 VSSC
21 N/A
22 I2C-CLK
23 I2C-DATA
24 ARTI
25 PARKP
26 ARTO
27 SFYNC
28 SIN
29 SOUT
30 CDCMCKL
31
CAVSS
32 CDCDATAO
33 CDCDATAI
34 CDCFRAME
35 CDCPOR
36 CAVSS
37 LINEIN
38 MICINN
39
MICINP
40 MICBIAS
41 CDCVREF
42 CDCAGND
43 CAVDD
44 LINEO
45 CAVSS
46 SPKROP
47 SPKRON
48 CDVSS
49 CDVDD
50 CAVSS
I/O
– VSS supply to core
– VDD supply to pad ring
– VSS supply to pad ring
O 9.6 MHz crystal oscillator output
I 9.6 MHz crystal oscillator input
I Detection signal input of the ringer coming
I/O Switch control read input
I Keypad read input
I Keypad read input
I Keypad read input
Keypad read input
I
– Not used (open)
– Not used (open)
I HAND/BASE select input
– VDD supply to pad ring
– VSS supply to pad ring
– Not used (open)
– Not used (open)
VDD supply to core
–
– VSS supply to core
I/O Not used (open)
I/O Clock signal output to the EEPROM
I/O Two-way data bus with the EEPROM
I ART input
I Park input; active low on base station, active high on handset
O ART output
– Frame sync
I Serial data input
O Serial data output
– Main clock input Not used (open)
I Analog 0V power supply
O Codec data output
I Codec data input
– Codec flame
I Reset input, active low
Analog 0V power supply
I
I Analog input to line pre-amp, ADC channel Not used (open)
I Negative differential analog input to microphone pre-amp, ADC channel
I Positive differential analog input to microphone pre-amp, ADC channel
O 2.2V nominal DC bias source for electret microphone
O Analog reference voltage output Bypass to AVSS with 0.1mF capacitor
O Analog ground bias output Bypass to AVSS with 0.1mF capacitor
I Analog power supply
O Line driver output, DAC channel Not used (open)
I Analog 0V power supply
O Positive speaker driver output, DAC channel
O Negative speaker driver output, DAC channel
I Digital 0V power supply
I Digital power supply, 2.7-5.5 Volts
I Analog 0V power supply
Function
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