Epson Powerspan Manual do Utilizador descarregar pdf (Página 20)

DIMM.AM335x (Rev3) 20/24

Name

GPIO

Direction

Termination

Level [V]

Description

TOUCH_YP

A I/O

3.3

Y pos terminal

TOUCH_YM

A I/O

3.3

Y neg terminal

ANA_IN1

AI

3.3

Analog input

ANA_IN2

AI

3.3

Analog input

LCD_DON

GPIO2_2

O

3.3

LCD display enable signal

LCD_DCK

O

3.3

LCD data clock

LCD_DISP

O

3.3

LCD data enable signal

LCD_VSYNC

O

3.3

LCD frame sync signal

LCD_HSYNC

O

3.3

LCD line sync signal

LCD_D[23:0]

O

3.3

LCD colour data

LCD_VEPWC

GPIO1_29

O

3.3

Optional LCD power control

LCD_VCPWC

GPIO2_27

O

3.3

Optional LCD power control

VOU_DEST

GPIO2_3

O

3.3

optional GPIO

SDC1_CMD

I/O

3.3

SDC CMD signal

SDC1_CLK

O

3.3

SDC clock output

SDC1_D[3:0]

I/O

3.3

SDC data

SDC1_CD#

GPIO1_27

I

PU 10K

3.3

SDC card detect input

SDC1_WP

GPIO1_26

I

PD 10K

3.3

SDC write protect input

SPI_SS#

I/O

3.3

SPI Slave select

SPI_SCK

I/O

3.3

SPI Clock

SPI_MISO

I

3.3

Input data from slave

SPI_MOSI

O

3.3

Output data to slave

SCL

O

PU 2K2

3.3

I²C clock output

SDA

I/O

PU 2K2

3.3

I²C data signal

AUDIO_BCK

I/O

3.3

PCM bit clock

AUDIO_LRC

I

3.3

PCM L/R signal

AUDIO_DATI

I

3.3

PCM input data

AUDIO_DATO

O

3.3

PCM output data

POWER_ON_BASE

O

3.3

Digital output

GPIO_0

GPIO0_7

I

3.3

Digital I/O

GPIO_1

I

10K PU

3.3

USB1_ID

GPIO_2

GPIO1_21

I/O

10K PU

3.3

Digital I/O, USB1_OC#

GPIO_3

I/O

3.3

USB1_DRVVBUS

GPIO_4

GPIO2_19

I/O

3.3

Digital I/O, UART1_RI

GPIO_5

GPIO3_9

I/O

3.3

Digital I/O, UART1_DCD

GPIO_6

GPIO2_18

I/O

3.3

Digital I/O, UART1_DTR

GPIO_7

GPIO3_10

I/O

3.3

Digital I/O, UART1_DSR

GPIO_8

GPIO0_13

I/O

PU 10K

3.3

Digital I/O, UART1_RTS

GPIO_9

GPIO0_12

I/O

3.3

Digital I/O, UART1_CTS

NMI

GPIO0_6

I

PU 10K

3.3

Interrupt input

IRQ-A

GPIO3_0

I

PU 10K

3.3

Interrupt input

IRQ-B

GPIO2_26

I

PU 10K

3.3

Interrupt input

RESI#

I

PU 10K

3.3

Reset input

RESO#

O

-

3.3

Reset output

BAT

-

-

1.9 … 3.3

Backup battery input for RTC

+3V3

-

-

-

+ 3.3V supply

GND

-

-

-

Ground

1 2 ... 15 16 17 18 19 20 21 22 23 24

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