r6781-12 Conexant Systems, Inc., r6781-12 Datasheet - Page 38
r6781-12
Manufacturer Part Number
r6781-12
Description
Embedded Modem Family
Manufacturer
Conexant Systems, Inc.
Datasheet
1.R6781-12.pdf
(104 pages)
- Current page: 38 of 104
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3-12
Table 3-4. RC224ATL/224ATLV 100-Pin PQFP Pin Assignments—Parallel (2 of 4)
NOTE(S):
(1)
(2)
(3)
(4)
(5)
(6)
I/O Types are described in
Figure 7-6, Analog Interface
MI = Modem Interconnection.
NC = No external connection (may have internal connection, leave pin disconnected
(open)).
AGND is analog ground and DGND is digital ground.
Connect to VCC through 4.7 k .
Connect ATL to + 5 VCC, ATLV to + 3 VCC.
Pin Number
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Conexant
RFILO
AGCIN
VC
AGND
NC
NC
NC
NC
NC
TLKRELAY
AGND
OHRELAY
NC
NC
SLEEPI
RAGCI
AGND
RSTBI
RRSTI
RADCO
TDACI
TRSTI
TSTBI
NC
NC
TEST
2
Figure 7-5, Digital Interface Characteristics
Characteristics.
Signal Label
AGND
DO
AGND
DO
DI
MI to RAGCO
AGND
MI to RSTBO
MI to RRSTO
MI to RADCI
MI to TDACO
MI to TRSTO
MI to TSTBO
DI
(5)
EmbeddedModem Family
I/O Type
and
—
—
—
—
—
—
—
—
—
—
—
—
D224ATLVDSC
(1)
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