Rainbow-electronics W90P710CDG Manual do Utilizador descarregar pdf (Página 22)

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Table 5.1 W90P710 Pins Description (Continued)

Pin Name

Type

Description

AC97/I2S/PWM/UART3

AC97_nRESET /

I2S_MCLK /

GPIO [0] /

nIRQ4 /

USB_PWREN

IOU

AC97 CODEC Host Interface RESET Output.

I2S CODEC Host Interface System Clock Output.

General Purpose In/Out port [0]

External interrupt request.

USB host power enable output

AC97_DATAI /

I2S_DATAI /

PWM [0] /

DTR4 /

GPIO [1]

IOU

AC97 CODEC Host Interface Data Input.

I2S CODEC Host Interface Data Input.

PWM Channel 0 Output.

Data Terminal Ready for UART4.

General Purpose In /Out port [1]

AC97_DATAO /

I2S_DATAO /

PWM [1] /

DSR4 /

GPIO [2]

IOU

AC97 CODEC Host Interface Data Output.

I2S CODEC Host Interface Data Output.

PWM Channel 1 Output.

Data Set Ready for UART4.

General Purpose In/Out port [2]

AC97_SYNC /

I2S_LRCLK /

PWM [2] /

TXD4 /

GPIO [3]

IOU

AC97 CODEC Host Interface Synchronous Pulse Output.

I2S CODEC Host Interface Left/Right Channel Select Clock.

PWM Channel 2 Output.

Transmit Data for UART4.

General Purpose In/Out port [3]

AC97_BITCLK /

I2S_BITCLK /

PWM [3] /

RXD4 /

GPIO [4]

IOS

AC97 CODEC Host Interface Bit Clock Input.

I2S CODEC Host Interface Bit Clock.

PWM Channel 3 Output.

Receive Data for UART4.

General Purpose In/Out port [4].

USB Interface

DP0 IO Differential Positive USB IO signal

DN0 IO Differential Negative USB IO signal

DP1 IO Differential Positive USB IO signal

DN1 IO Differential Negative USB IO signal

Miscellaneous

nIRQ [3:2] /

GPIO [19:18]

IOU

External Interrupt Request

General Purpose I/O.

nIRQ [1:0] /

GPIO [17:16]

USB_OVRCUR

IOU

External Interrupt Request

General Purpose I/O

nIRQ1 is used as USB host over-current detection input

nWDOG /

GPIO [15] /

USB_PWREN

IOU

Watchdog Timer Timeout Flag and Keypad 3-keys reset output, active low

General Purpose In/output

USB host power switch enable output

RTCVDD P RTC independent battery power (1.8V)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 551 552

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