Sharp GX15, Service Manual

Page: 91 / 122

GX15
6 – 3
CONFIDENTIAL
40 VVCXO Output Voltage controlled crystal oscillator supply 2.71 - 2.79 V (VT)
41 ASDI Input Audio serial port data input
42 BSDO Output Baseband serial port data output
43* NC_E15 – Not used
44* NC_E16 – Not used
45 BSIFS Input Baseband serial port input framing signal
46 ASFS Output Audio serial port framing signal
47 GND_NET2 – Earth
48* NC_F16 – Not used
49 BSOFS Output Baseband serial port output framing signal
50 BSDI Input Baseband serial port data input
51 VBAT2 Input Analogue baseband regulator input
52* NC_G16 – Not used
53 CSDO Output Control serial port data output
54 CSDI Input Control serial port data input
55 VBAT2 Input Analogue baseband regulator input
56 VABB Output Analogue baseband supply
57 ASM Input Advanced state machine
58 MCLKEN Output Master clock enable
59* AOUT1P Output Not used
60 AOUT3P Output Headset receiver audio positive output
61 RXON Input Baseband receive section control
62 TXON Input Baseband transmit section control
63* AOUT1N Output Not used
64 AOUT3N Output Headset receiver audio negative output
65 MCLK Input Master clock
66 CSFS Input Control serial port framing signal
67 AGND3 – Analogue audio earth
68 LIGHT1 Output Key-pad LED control 2
69 ABBRESET Input Reset input
70 DGND – Digital earth
71 LIGHT2 Output USB charge enable
72 LIGHT3 Output Key-pad LED control 1
73 VCORE Output Digital core supply 1.72 - 1.9 V
74 VBAT7 Input Digital core regulator input
75 LGND – Light driver earth
76 VMIC Output Microphone supply 2.4 - 2.6 V
77 VCORE Output Digital core supply 1.72 - 1.9 V
78 VBAT8 Input Memory interface regulator input
79 AIN2P Input Headset mic audio positive input
80 AIN1P Input Mic audio positive input
81* NC_R01 – Not used
82 VBAT8 Input Memory interface regulator input
83 VMEMSELInput Memory supply voltage selection
84 VBAT5 Input Back-up battery regulator input
85 VBAT4 Input SIM interface regulator input
86 VBAT6 Input Real-time clock regulator input
87 DBBON Input Digital BB supply regulator on signal
88 SGND – AOUT2P/N supply earth
89 AOUT2N Output Speaker with receiver positive output
90 SPWR Input AOUT2P/N supply regulator input
91 AOUT2P Output Speaker with receiver negative output
92* NC_R12 – Not used
93 AIN3P Input Sound IC audio positive input
94 AIN3N Input Sound IC audio negative input
95 AIN2N Input Headset mic audio negative input
96 AIN1N Input Mic audio negative input
97 RESET Output Reset output
98 VMEM Output Memory interface supply 2.75 - 3.05 V
99 VMEM Output Memory interface supply 2.75 - 3.05 V
100 VBAT_NET Input VBAT supply input
101 GND_NET1 – Earth
102 VSIM Output SIM interface supply 2.75 - 2.95 V
103 VRTC Output Real-time clock supply 1.6 - 2.0 V
Pin No. Terminal name Input/Output Description of terminal