bt8970 Mindspeed Technologies, bt8970 Datasheet - Page 13

• Manufacturer Part Number: bt8970
• Description: Single-chip Hdsl Transceiver
• Manufacturer: Mindspeed Technologies

Bt8970
Single-Chip HDSL Transceiver
1.2 Pin Descriptions
The Bt8970 is packaged in a 100-Pin Plastic Quad Flat Pack (PQFP). The pin assignments are shown in
Figure
provided in
OD = open-drain output, I = digital input, IA = analog input, and I/O = bidirectional.
Figure 1-3. Pin Diagram
100101B
1-3. A listing of pin labels, numbers, and I/O assignments is given in
Table
1-2. The coding used in the I/O column is: O = digital output, OA = analog output,
ADDR[7]
ADDR[6]
ADDR[5]
ADDR[4]
ADDR[3]
ADDR[2]
ADDR[1]
ADDR[0]
WR/R/W
MUXED
MOTEL
READY
RD/DS
SMON
DGND
DGND
VDD1
VDD2
VDD1
AD[0]
AD[1]
AD[2]
AD[3]
AD[4]
AD[5]
AD[6]
AD[7]
ALE
IRQ
CS
Preliminary Information/Conexant Proprietary and Confidential
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Conexant
Bt8970
Table
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1-1. Signal definitions are
RXBN
RXBP
RXN
RXP
AGND
AGND
TXN
AGND
VAA
TXP
TXLDIN
TXLDIP
TXPSN
TXPSP
ATEST2
ATEST1
VAA
VAA
AGND
VTXN
VTXP
VCCAP
VCOMO
VCOMI
RBIAS
VAA
VAA
AGND
VRXN
VRXP
100101_004
1.0 System Overview
1.2 Pin Descriptions
1-5