CL-PS7111-VC-A Просмотр технического описания (PDF) - Cirrus Logic

Номер в каталоге

Компоненты Описание

Список матч

CL-PS7111-VC-A

Low-Power System-on-a-Chip

Cirrus Logic 

CL-PS7111

Low-Power System-on-a-Chip

2.2.1

External Signal Functions (cont.)

Function

Signal

Name

Type Description

State Control

NPOR

I Power on reset input. Active-low input completely resets the system.

RUN/CLKEN

O

System active output. High when system is active or idle, low while in the standby

state.

WAKEUP

I

Wake-up input signal. Rising edge forces system into operating state; active after a

power on reset.

NURESET

I User reset input. Active-low input from user reset button.

Codec Interface PCMCLK I/O Codec clock signal.

PCMSYNC O Codec frame synchronization, pulse output.

PCMOUT

O Codec serial data output.

PCMIN

I Codec serial data input.

ADC Interface

SSI1

ADCCLK

SMPCLK

O Serial clock output.

O Serial sample clock output.

NADCCS

O Chip select for ADC interface.

ADCOUT

O Serial data output.

ADCIN

I Serial data input.

IrDA and

RS-232

Interface

LEDDRV

PHDIN

O Infrared LED drive output, multiplexed with UART1.

I Photo diode input, multiplexed with UART1.

TxD[1–2]

O RS-232 UART1 and two Tx outputs.

RxD[1–2]

I RS-232 UART1 and two Rx inputs.

DSR

I RS-232 DSR input.

DCD

I RS-232 DCD input.

CTS

I RS-232 CTS input.

LCD

DD[0–3]

O LCD serial display data.

CL[1]

O LCD line clock.

CL[2]

O LCD pixel clock.

FRM

O LCD frame synchronization pulse output.

M

O LCD AC bias drive.

10

PIN INFORMATION

September 1997

PRELIMINARY DATA BOOK v2.0

Share Link: