RC224ATL View Datasheet(PDF) - Conexant Systems

Part Name

Description

MFG CO.

RC224ATL

Embedded Modem Family

Conexant Systems 

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3.0 Pin Descriptions

3-8

RC224ATL/224ATLV

EmbeddedModem Family

Table 3-3. RC224ATL/224ATLV 100-Pin PQFP Pin Assignments—Serial (2 of 4)

Pin Number

Signal Label

I/O Type(1)

28

AGCIN

29

VC

30

AGND

31

NC

32

NC

33

NC

34

NC

35

NC

36

TLKRELAY

37

AGND

38

OHRELAY

39

NC

40

NC

41

SLEEPI

42

RAGCI

43

AGND

44

RSTBI

45

RRSTI

46

RADCO

47

TDACI

48

TRSTI

49

TSTBI

50

NC

51

NC

52

φ2

53

TEST

54

XTLI

—

—

AGND

—

—

—

—

—

OD

AGND

OD

—

—

DI

MI to RAGCO

AGND

MI to RSTBO

MI to RRSTO

MI to RADCI

MI to TDACO

MI to TRSTO

MI to TSTBO

—

—

DO

(5)

IE

NOTE(S):

(1) I/O Types are described in Figure 7-5, Digital Interface Characteristics and

Figure 7-6, Analog Interface Characteristics.

(2) MI = Modem Interconnection

(3) NC = No external connection (may have internal connection, leave pin disconnected

(open)).

(4) AGND is analog ground and DGND is digital ground.

(5) Connect to VCC through 4.7 kΩ.

(6) Connect ATL to + 5 VCC, ATLV to + 3 VCC.

Conexant

D224ATLVDSC

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