Sharp GX15, Service Manual

Page: 96 / 122

GX15
6 – 8
CONFIDENTIAL
46 CSDO Output Control serial port data output to analogue BB
47 CLKOUT_GATE Input Master clock enable from analogue BB (MCLKEN)
48 GPO_1 Output Analogue baseband transmit section control (TXON)
49 OSCIN Input 32.768 kHz crystal oscillator input
50* MC_CMD Output Not used
51 GPIO_55 Input Boot control 1
52 GND – Earth
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 – Earth
62 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
63 PWRON Output System power control for analogue BB
64* MC_DAT[1] Output Not used
65 GND – Earth
66 VEXT Input System interface power supply 2.4 - 3.3 V (VINT)
67 KEYPADCOL[0] Output KEYIN signal output 0
68 VEXT Input System interface power supply 2.4 - 3.3 V (VINT)
69 GPIO_15 Input PCM data input for Bluetooth module
70 GPIO_16 Output PCM SYNC output for Bluetooth module
71 ADD[13] Output Processor address bus 13
72 ADD[12] Output Processor address bus 12
73 ADD[8] Output Processor address bus 8
74 ADD[6] Output Processor address bus 6
75 GPO_22 Output VPP control for flash memory 1
76 GPIO_14 Output PCM clock output for Bluetooth module
77 GPIO_10 Input USB detection
78 GPIO_12 Output Reset output for LCD module
79 VMEM Input Memory power supply 2.7 - 3.3 V (VMEM)
80 ADD[14] Output Processor address bus 14
81 GND – Earth
82 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
83 ADD[10] Output Processor address bus 10
84 CLKOUT Output 13 MHz clock output for analogue BB (CLKOUT)
85* MC_DAT[3] Output Not used
86 GND – Earth
87 GND – Earth
88 GPIO_13 Input Interrupt input from camera controller
89 GPIO_7 Input Hands free kit (earphone) hooking switch detection
90 GPIO_9 Input Manufacture specific input from I/O connector
91 ADD[19] Output Processor address bus 19
92 ADD[17] Output Processor address bus 17
93 ADD[18] Output Processor address bus 18
94 ADD[15] Output Processor address bus 15
95 ADD[16] Output Processor address bus 16
96 CSFS Output Control serial port framing signal output to analogue BB
97* MC_CLK Output Not used
98 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
99 GPIO_11 Output Camera power control 2
100 GPIO_8 Output Reset output for Bluetooth module
101* GPIO_5 Output Not used
102 GPIO_6 Input Bluetooth clock request
103 ADD[22] Output Processor address bus 22
104 ADD[21] Output Processor address bus 21
105 GPIO_40 Output 13 MHz clock output for camera controller & Sound generator IC
106 ADD[20] Output Processor address bus 20
107 GND – Earth
108 ADD[23] Output Processor address bus 23
109 GND – Earth
Pin No. Terminal name Input/Output Description of terminal