GM2125 データシートの表示（PDF） - Genesis Microchip

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GM2125

Analog Interface XGA/SXGA OnPanel LCD Panel Controller

Genesis Microchip 

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gm2115/25 Preliminary Data Sheet

Pin Name

RESETn

GPIO0/PWM0

GPIO1/PWM1

GPIO2/PWM2

GPIO3/TIMER1

GPIO4/UART_DI

GPIO5/UART_DO

GPIO6/TCON_SHC

GPIO7/TCON_TDIV

GPIO8/IRQINn

GPIO9/TCON_ROE2

GPIO10/TCON_ROE3

GPIO11/ROM_WEn

GPIO12/NVRAM_SDA

GPIO13/NVRAM_SCL

GPIO14/DDC_SCL

GPIO15/DDC_SDA

GPIO16/HFSn

GPIO17

GPIO18

GPIO19

GPIO20

GPIO21/IRQn

GPIO22/HCLK

Table 3. System Interface and GPIO Signals

No I/O Description

5I

40 IO

41 IO

42 IO

43 IO

44 IO

45 IO

46 IO

47 IO

39 IO

48 IO

49 IO

50 IO

51 IO

52 IO

6 IO

7

205 IO

1 IO

208 IO

207 IO

206 IO

4 IO

204 IO

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. This pin can

also function as TCON signal ROE2.

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

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

also function as TCON signal ROE3.

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

General-purpose input/output signal, or ROM write enable if a programmable FLASH

device is used. Open drain option via register setting.

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

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

standalone mode. Open drain option via register setting.

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

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

standalone mode. Open drain option via register setting.

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

General-purpose input/output signal when host port is disabled, or data signal for 2-wire

serial host interface.

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

General-purpose input/output signals.

[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 port is disabled, or clock for 2-wire serial

host interface.

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

June 2002

9

C2115-DAT-01B

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