Dell E190Sf User Manual

Service Manual
15
44 RESERVED O Reserved; Do not connect
45 RESERVED O Reserved; Do not connect
46 RESERVED O Reserved; Do not connect
47 VDD_OUT_33 P Digital 3.3V supply for LVDS output
48 VSS_OUT G Digital ground for LVDS output
49 PBIAS O Panel backlight enable
50 PWM0/GPO_4 I/O PWM0 output or optional general-purpose output GPO_4.
Also used for bootstrap control
51 GPIO_0 I/O General-purpose output GPO_0. Also used for bootstrap control
52 CRVSS G Chip digital ground
53 RVDD_33V P Digital Output VDD. Connect to digital 3.3V
54 CRVSS G Chip digital ground
55 CVDD_18 P Core VDD connect to digital 1.8V
56 GPIO_1 I/O General-purpose output GPO_1. Also used for bootstrap control
57 GPIO_2 I/O General-purpose output GPO_2. Also used for bootstrap control
58 GPIO_3 I/O General-purpose output GPO_3. Also used for bootstrap control
59 SPI_CSn I/O SPI ROM chip select. Also used for bootstrap control.
60 SPI_CLK I/O SPI ROM Clock output.
61 SPI_DI I/O SPI ROM Data input. Connect this pin to the data output of
Serial FLASH
62 SPI_DO I/O SPI ROM Data input. Connect this pin to the data input of Serial
FLASH
63 RVDD_33V P Chip digital ground
64 DDC_SCL_VGA I DDC2Bi clock for Analog Port
65 DDC_SDA_VGA I/O DDC2Bi clock for Analog Port, internal pull up of 10K ohms
66 DDC_SCL_DVI/
HOST_SCA
I DDC2Bi clock for DVI Port or host I2C clock signal for
debugging
67 DDC_SDL_DVI/
HOST_SDA
I/O DDC2Bi clock for DVI Port or host I2C data signal for
debugging, internal pull up of 10k ohms
68 AVSS_DVI G Analog GND for DVI input. Reserved for gm2621 and gm2621;
Do not connect
69 REXT I External reference resistor.
A 1%, 250Ω resistor should be connected from this pin to pin 74.
Reserved for gm2621 and gm2621; Do not connect.
70 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.
71 AVSS_DVI G Analog GND for DVI input. Reserved for gm2621 and gm2621;
Do not connect.
72 RX2+ I Do not connect.
73 RX2- I Do not connect.
74 AVDD_DVI_33 P Analog VDD (3.3V) for DVI input. Reserved for gm2621 and
gm2621; Do not connect.
75 RX1+ I Do not connect.
76 RX1- I Do not connect.
77 AVSS_DVI G Analog GND for DVI input. Reserved for gm2621 and gm2621;
Do not connect.
78 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.
79 AVSS_DVI G Analog GND for DVI input. Reserved for gm2621 and gm2621;
Do not connect.
80 RX0+ I Do not connect.

Dell E190Sf Specifications

General

Brand	Dell
Model	E190Sf
Category	Monitor
Language	English