RC224ATL View Datasheet(PDF) - Conexant Systems
Part Name
Description
MFG CO.
'RC224ATL' PDF : 104 Pages View PDF
RC224ATL/224ATLV
EmbeddedModem Family
3.0 Pin Descriptions
Table 3-3. RC224ATL/224ATLV 100-Pin PQFP Pin Assignments—Serial (1 of 4)
Pin Number
Signal Label
I/O Type(1)
1
DTR
2
IDLEN1
3
RAGCO
4
RADCI
5
TSTBO
6
NC(3)
7
NC
8
NC
9
RSTBO
10
RRSTO
11
TRSTO
12
MODEO
13
TDACO
14
SLEEP
15
NC
16
DGND
17
MODEI
18
VAA
19
SPKR
20
NC
21
AGND
22
TXA2
23
TXA1
24
NC
25
RXA
26
NC
27
RFILO
DI
DI
MI(2) to RAGCI
MI to RADCO
MI to TSTBI
—
—
—
MI to RSTBI
MI to RRSTI
MI to TRSTI
MI to MODEI
MI to TDACI
DO
—
DGND(4)
MI to MODEO
—
O(DF)
—
AGND
O(DD)
O(DD)
—
I(DA)
—
—
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.
D224ATLVDSC
Conexant
3-7
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