GM2120 查看數據表（PDF） - Genesis Microchip

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GM2120

XGA/SXGA LCD Controller

Genesis Microchip 

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gm5110/20 Preliminary Data Sheet

Pin Name

HSYNC

VSYNC

Table 4. Analog HSYNC/VSYNC Inputs

No I/O Description

137 I

136 I

ADC input horizontal sync input.

[Input, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

ADC input vertical sync input.

[Input, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

Pin Name

Table 5. System Interface and GPIO Signals

No I/O Description

RESETn

GPIO0/PWM0

GPIO1/PWM1

GPIO2/PWM2

GPIO3/TIMER1

5I

40 IO

41 IO

42 IO

43 IO

GPIO4/UART_DI

44 IO

GPIO5/UART_DO

45 IO

GPIO6

GPIO7

GPIO8/IRQINn

46 IO

47 IO

39 IO

GPIO9

GPIO10

GPIO11/ROM_WEn

GPIO12/NVRAM_SDA

GPIO13/NVRAM_SCL

GPIO14/DDC_SCL

GPIO15/DDC_SDA

GPIO16/HFSn

48 IO

49 IO

50 IO

51 IO

52 IO

6I

7 IO

205 IO

GPIO17

GPIO18

GPIO19

GPIO20

GPIO21/IRQn

1 IO

208 IO

207 IO

206 IO

4 IO

GPIO22/HCLK

GPO0

GPO1

GPO2

GPO3

GPO4

GPO5

GPO6

GPO7

204 IO

119 O

120 O

121 O

122 O

123 O

124 O

125 O

126 O

Active-low hardware reset signal. The reset signal must be held low for at least 1µS.

[Input, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal or PWM0. Open drain option via register setting.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal or PWM1. Open drain option via register setting.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal or PWM2. Open drain option via register setting.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. Open drain option via register setting. This pin is also

connected to Timer 1 clock input of the OCM.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. Open drain option via register setting. This pin is also

connected to the OCM UART data input signal by programming an OCM register.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. Open drain option via register setting. This pin is also

connected to the OCM UART data output signal by programming an OCM register.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. This is also active-low interrupt input to OCM and is

directly wired to OCM int_0n.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. Open drain option via register setting.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal. Open drain option via register setting.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output or PROM write enable signal. Open drain option via register

setting. [Bi-directional Input, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output or master 2-wire serial interface to NVRAM in standalone

operation. Open drain option via register setting. [Bi-directional Input, Schmitt trigger

(400mV typical hysteresis), 5V-tolerant]

DDC Interface for DVI-HDCP communication. This is 5V-tolerant SCL pin.

DDC Interface for DVI-HDCP communication. This is 5V-tolerant SDA pin.

General-purpose input/output signal when host interface is disabled, or host interface

framing signal.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), slew rate limited, 5V tolerant]

General-purpose input/output signal.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose input/output signal when host port is disabled, or active-low and open-

drain interrupt output pin.

[Bi-directional, 5V-tolerant]

General-purpose input/output signal when host interface is disabled, or host clock signal.

[Bi-directional, Schmitt trigger (400mV typical hysteresis), 5V-tolerant]

General-purpose output signals.

June 2002

6

C5110-DAT-01C

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