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 (3 of 4)
Pin Number
Signal Label
I/O Type(1)
55
XTLO
56
NC
57
DGND
58
DGND
59
NC
60
NC
61
DSR
62
CTS
63
DCD
64
CI/HS
65
NMI
66
DGND
67
NC
68
MR
69
RI
70
DCDL
71
IDLENO
72
RING
73
NC
74
NC
75
SEREN
76
WAKEUP
77
NVRCS
78
NVRDIO
79
(A/A1)
80
DGND
81
DGND
OE
—
DGND
DGND
—
—
DO
DO
DO
DO
(6)
DGND
—
DO
DO
DO
DI
DI
—
—
DI
DI
DO
DIO
DO
DGND
DGND
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
3-9
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