Datasheet > 73M2901-32IH

73M2901-32IH

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
东电化 - TDK		调制解调器
页数	文件大小	规格书
17页	316K
描述
Advanced Single Chip Modem

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数据手册

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73M2901-32IH 数据手册

73M2901/3.3V

Advanced Single

Chip Modem

PIN DESCRIPTIONS (continued)

OSCILLATOR PIN DESCRIPTION

PIN NAME

32-PIN 44-PIN TYPE DESCRIPTION

OSCIN

Crystal input for internal oscillator, also input for external

source.

OSCOUT

Crystal oscillator output.

DIGITAL INTERFACE PIN DESCRIPTION

PIN NAME

RESET

RXCLK

RXD

TXCLK

TXD

32-PIN 44-PIN TYPE DESCRIPTION

Resets 73M2901/3.3V

Receive Data Synchronous Clock

Serial output to DTE.

Transmit Data Synchronous Clock

Serial data input from DTE.

This pin can optionally be configured as an active low detect

pin. This can be used to implement such functions as “parallel-

pick-up”, “line-in-use”, or “seize” detect.

USR10

I/O

USR11

I/O

Programmable I/O port. This pin can ooptionnaly be used to

control an external switch for Caller ID decoding operations.

RTS (USR12)

CTS (USR13)

DSR (USR14)

DCD (USR15)

RI (USR16)

Request to Send

Clear to Send

Data Set Ready

Data Carrier Detect

Ring Indicator

RELAY (USR17)

Relay driver output

1 2 345 6 7...17

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