Dell 1907FPf - Page 16

Service Manual
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81 RX0- I Do not connect.
82 AVDD_DVI_33 P Analog VDD (3.3V) for DVI input. Reserved for gm2621 and
gm2621; Do not connect.
83 RXC+ I Do not connect.
84 RXC- I Do not connect.
85 AVSS_DVI G Analog GND for DVI input. Reserved for gm2621 and gm2621;
Do not connect.
86 AVDD_DVI_18 P Analog VDD (1.8V) for DVI input.
Must be bypassed with external capacitor(s) to AVSS_DVI.
Reserved for gm2621 and gm2621; Do not connect.
87 CVDD_18 P Core VDD connect to digital 1.8V
88 CRVSS G Chip digital ground
89 HSYNC I ADC input horizontal sync or composite sync input.
90 VSYNC I ADC input vertical sync
91 RVDD_33V P Digital Output VDD. Connect to digital 3.3V
92 AVDD_ADC_33 I 1.8V for gmZAN3SL core
93 BLUE+ I Positive analog input for Blue channel
94 BLUE- I Negative analog input for Blue channel
95 AVSS_ADC G Analog ground for ADC
96 GREEN+ I Positive analog input for Green channel
97 GREEN- I Negative analog input for Green channel
98 AVSS_ADC G Analog ground for ADC
99 RED+ I Positive analog input for Red channel
100 RED- I Negative analog input for Red channel
101 AVDD_ADC_33 P Analog power (3.3V) for ADC. Must be bypassed with capacitor
to AVSS_ADC pin.
102 AVSS_ADC G Analog ground for ADC
103 AVSS_ADC G Analog ground for ADC
104 AVDD_ADC_18 P Analog power (1.8V) for ADC. Must be bypassed with capacitor
to AVSS_ADC pin.
105 VBUFC_RPLL O Reserved; Do not connect
106 VDD_RPLL_18 P Digital 1.8V Power for PLL
107 VSS_RPLL G Ground for PLL
108 XTAL O Connect to 14.3MHz crystal. Should be bypassed with capacitor
to AVDD_RPLL_33.
109 TCLK I Connect to 14.3MHz crystal. Should be bypassed with capacitor
to AVDD_RPLL_33.
110 AVDD_RPLL_33 P Analog power (3.3V) for PLL
111 RESETn I/O Bypass with 0.01uF capacitor GND
112 LBADC_VSS G Ground for general-purpose LBADC
113 LBADC_IN3 I Ground-purpose LBADC input 3.
114 LBADC_IN2 I Ground-purpose LBADC input 2.
115 LBADC_IN1 I Ground-purpose LBADC input 1.
116 LBADC_VDD_33 P 3.3V supply for general-purpose LBADC.
117 CRVSS G Chip digital ground
118 CVDD_18 P Core VDD connect to digital 1.8V
119 PWM0/GPO_5 I/O PWM0 output or optional general-purpose output GPO_5.
Also used for bootstrap control
120 GPIO_8 I/O General-purpose input/output 8
121 GPIO_9 I/O General-purpose input/output 9
122 GPIO_10 I/O General-purpose input/output 10
123 GPIO_11 I/O General-purpose input/output 11
124 GPIO_12 I/O General-purpose input/output 12