CH224ATF(1999) 查看數據表（PDF） - Cermetek Microelectronics

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CH224ATF
(Rev.:1999)

Complete 2400 bps Modem Module

Cermetek Microelectronics 

PRELIMINARY

CH224ATF

DAA

TIP 1

RING 2

64 SPKR

63 AGND

62 NC

61 VCC

~RESET 24

DGND 26

NC 27

DCDIND 29

RXIND 30

~DTRIND 31

TXIND 32

41 DGND

40 ~DTRTTL

39 ~DCOTTL

38 ~CTSTTL

37 ~DSRTTL

36 ~RITTL

35 ~TXDTTL

34 ~TXDTTL

33 NC

Notes: Pins 10-23, 25, 28, and 42-53 are not installed.

Figure 3. CH224ATF (Serial TTL Pinout)

©1999 Cermetek Microelectronics, Inc.

6

Document No. 607-0005 Rev.A (11/99)

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