Service manual

GX30
6 – 8
CONFIDENTIAL
IC106 (AD6529B): DIGITAL BASEBAND
Pin No. Terminal name Input/Output Description of terminal
1 ASDO Output Audio serial port data output to analog BB
2 BSDI Input Baseband serial port data input from analog BB
3 BSOFS Output Baseband serial port output framing signal output to analog BB
4 GPIO_48 Input Hook switch of hands free kit (earphone) detection
5 VINT Input Analog BB interface power supply 1.7 - 3.3 V (VCORE)
6 GPO_29 Output Analog BB reset output (ABBRESET)
7 GPO_5 Output Advanced state machine of analog BB
8 VDDRTC Input RTC power supply 1.0 - 1.9 V (VRTC)
9 VSSRTC – RTC ground
10 MC_DAT[0] Input/Output SD interface data bus 0
11 GPIO_22 Output RSP for main LCD controller
12 GPIO_56 Input Boot control 2 (Hardware version select)
13 KEYPADCOL[4] Output KEYIN signal output 4
14 KEYPADCOL[1] Output KEYIN signal output 1
15 KEYPADROW[4] Input KEYIN signal input 4
16 KEYPADROW[2] Input KEYIN signal input 2
17 GPIO_38 Input Interrupt input from sound generator IC
18 GPIO_36 Output Mode select 2 for interface IC / AOUT3 bias control
19 ASDI Input Audio serial port data input from analog BB
20 GPIO_35 Input SD card interface write protect
21 ADD[0] Output Write protect control for flash memory 2
22 ASFS Input Audio serial port framing signal input from analog BB
23 BSIFS Input Baseband serial port input framing signal input from analog BB
24 BSDO Output Baseband serial port data output to analog BB
25 CSDI Input Control serial port data input from analog BB
26* GPO_6 Output Not used
27 GPO_0 Output Analog baseband receive section control (RXON)
28 OSCOUT Output 32.768 kHz crystal oscillator output
29 MC_DAT[2] Input/Output SD interface data bus 2
30 VMC Input SD card interface power supply 1.7 - 3.3 V (VAPP)
31 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
32 KEYPADCOL[3] Output KEYIN signal output 3
33 KEYPADCOL[2] Output KEYIN signal output 2
34 GPIO_39 Output USB PU control for interface IC
35 GPIO_37 Input Interrupt input from analog BB
36 GPIO_34 Output UART_TXD for Bluetooth module
37 ADD[4] Output Processor address bus 4
38 ADD[2] Output Processor address bus 2
39 GND – Ground
40 KEYPADROW[0] Input KEYIN signal input 0
41 VEXT Input System interface power supply 2.4 - 3.3 V (VINT)
42 GPO_23 Output SLEEP control for SRAM 2
43 ADD[7] Output Processor address bus 7
44 VMEM Input Memory power supply 2.7 - 3.3 V (VMEM)
45 ADD[1] Output Processor address bus 1
46 CSDO Output Control serial port data output to analog BB
47 CLKOUT_GATE Input Master clock enable from analog BB (MCLKEN)
48 GPO_1 Output Analog baseband transmit section control (TXON)
49 OSCIN Input 32.768 kHz crystal oscillator input
50 MC_CMD Input/Output SD interface CMD (SD_CMD)
51 GPIO_55 Input Boot control 1 (Hardware version select)
52 GND – Ground
53 KEYPADROW[3] Input KEYIN signal input 3
54 KEYPADROW[1] Input KEYIN signal input 1
55 GPIO_33 Input UART_RXD for Bluetooth module
56 GPIO_17 Output PCM data output for Bluetooth module
57 ADD[11] Output Processor address bus 11
58 ADD[9] Output Processor address bus 9
59 ADD[5] Output Processor address bus 5
60 ADD[3] Output Processor address bus 3
61 GND – Ground
62 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
63 PWRON Output System power control for analog BB