Appendix A: RC224ATF Modem Designs
RC224ATL/224ATLV
A.1 68-Pin PLCC Design for Serial Interface
EmbeddedModem Family
Table A-1. Serial Bill of Materials (1 of 2)
Item
Quantity
Reference
Part
1
2
3
4
5
6
7
2
1
1
1
1
2
9
C2,C1
C3
0.001
0.47
.01
C4
C5
2200 pF
22
C6
C7,C17
56 pF
0.1
C8,C10,C11,C12,C14,C15,C19,
C20,C21
8
1
1
1
1
2
1
2
8
2
1
1
1
1
1
1
1
1
1
1
2
1
8
C9
12
9
C13
10
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
C16
220
C18
1000 pF
1N970B
1N4148
1N749A
D1,D2
D3
D5,D4
D6,D7,D8,D9,D10,D11,D12,D13
J4,J3
K1
TELCO4/6
RELAY
161201
47
LS1
L1
RV1
R1
V150LA2
18
R2
7.5 k
100 k
2.2 k
536
R3
R4
R6
R9
1.5 k
0
R11,R10
R12
100
R13,R14,R15,R18,R19,R20,R21,
R22
2 k
A-4
Conexant
D224ATLVDSC