RP56LD 参数 Datasheet PDF下载

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Technical Description

The MDP functional interface is illustrated in Figure 1.

Configurations and Rates

The selectable MDP configurations, signaling rates, and

data rates are listed in Table 2.

53/'53/'DQG53/'

~RDCLK

TDCLK

XTCLK

TXD

V.24

SERIAL

DTE

INTERFACE

RXD

~RTS

~CTS

~DTR

~DSR

~RLSD

~RI

CLKIN**

CLOCK

CIRCUIT

XTLI**

XTLO**

CRYSTAL

CIRCUIT

~RLYA

~RLYB

RINGD

RXA

TXA

TELEPHONE

LINE

RIN

TXA1

TXA2

MICM

SPK

SPKMD

RS0-RS4

MICV/NC*

TELIN/NC*

SPKR

TELOUT/NC*

TELEPHONE LINE/

TELIN

TELEPHONE/

TELEPHONE

AUDIO INTERFACE TELOUT

LINE

INTERFACE

MIC

MIC/

SPEAKER

~READ

~WRITE

DATA BUS (8) D0-D7

ADDRESS BUS (5) A0-A4

HOST

PROCESSOR

DECODER

IRQ

~RESET

~CS

MODEM DATA PUMP

(MDP)

[R6785: 144-PIN TQFP

R6764: 100-PIN PQFP]

VGG (+5V OR 3.3V)

VCC (+3.3V)

VAA (+3.3V)

SR8OUT***

HOST

PROCESSOR

SR8IN***

SR4CLK***

SA4CLK***

AGND

DGND

POWER

SUPPLY

*

PINS ARE INTERNAL NO CONNECT (NC) ON NON-SP MODELS.

** SEPARATE PINS FOR CLOCK AND CRYSTAL INPUT ON R6785 144-PIN TQFP WITH USE DETERMINED BY INPUT CONTROL SIGNAL;

R6764 100-PIN PQFP SUPPORTS CLOCK INPUT ONLY.

*** VOICE SERIAL INTERFACE SUPPORTED FOR R6785 144-PIN SP MODEL.

MD212F1 FID

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