MC14555 MOTOROLA [Motorola, Inc], MC14555 Datasheet - Page 14

• Manufacturer Part Number: MC14555
• Description: PCM Codec-Filter
• Manufacturer: MOTOROLA [Motorola, Inc]

MC145554 MC145557 MC145564 MC145567
14
+ MIC (RED)
– MIC (BLK)
– RCVR
(WHITE)
(WHITE)
+ RCVR
HANDSET
S INTERFACE
RJ–1
1
+ 5 V
+ 5 V
1 k
7
500
0.1 F
500
10 k
1 k
1 k
7
7
+ 5 V
Figure 5. ISDN Voice/Data Terminal
1 k
7
+ 5 V
+ 5 V
33 k
+ 5 V
30 pF
15
14
16
17
21
20
3
2
2
2
3
6
19
V DD
ISET
TX+
TX–
RX+
RX–
V SS
XTAL
VF R O
VF X I–
GS X
VF X I+
GNDA
“S” TRANSCEIVER
CODEC–FILTER
MC145474P
15.36 MHz
MC145554P
MCLK, BCLK
FS X , FS R
RESET
EXTAL
TE/NT
DREQ
DGRT
SYNC
CLK
CLK
V CC
SEL
V BB
IRQ
TS X
RX
RX
TX
TX
D X
D R
4
8
9
10
11
7
5
15
14
13
12
4
12, 5
10, 7, 8, 9
11
6
13
1
+ 5 V
– 5 V
30 pF
+ 5 V + 5 V
51, 36, 21
52, 2, 9
60, 44
59, 45
55, 49
56, 48
LAP–D/LAP–B CONTROLLER
47
46
50
53
57
54
58
V DD
SYNC 0, 1
CLK 0, 1
TX 0, 1
RX 0, 1
DREQ 1
DGNT 1
SCPE 1
SCPE 0
SCP CLK
SCP TXD
SCP RXD
V SS
MC145488
BGACK
DTACK
OWN0
OWN1
MCLK
BERR
MOTOROLA
IACK
UDS
R/W
LDS
RST
D10
D12
D13
D14
D15
D11
A10
A12
A13
A14
A15
IRQ
A11
BG
CS
AS
BR
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
A1
A2
A3
A4
A5
A6
A7
A8
A9
10
11
12
13
14
15
16
17
18
19
20
22
23
24
25
26
8
7
6
5
4
3
1
68
67
66
65
64
63
62
61
42
43
27
28
29
30
31
32
33
34
36
37
38
39
40
41
MPU
BUS