bt8960 Mindspeed Technologies, bt8960 Datasheet - Page 12

• Manufacturer Part Number: bt8960
• Description: Bt8960, Single-chip 2b1q Transceiver
• Manufacturer: Mindspeed Technologies

2
1.0 System Overview
1.1 Functional Summary
Figure 1-2. Bt8960 Detailed Block Diagram
ADDR[7:0]
WR/R/W
MUXED
MOTEL
READY
AD[7:0]
RD/DS
RXBN
RXBP
RXN
RXP
RST
TXP
TXN
ALE
IRQ
CS
VGA
Computer
Interface
Driver
Micro-
Line
TXLDIN
TXLDIP
Receive Section
Transmit Section
System Control
Microcomputer
Interface and
ADC
tion, a timing recovery and clock interface, a microcomputer interface, and a test
and diagnostic interface. Figure 1-2 details the connections within and between
each of these functional blocks.
TXPSP
The Bt8960 comprises five major functions: a transmit section, a receive sec-
TXPSN
Registers
Control
Timers
Status
Shaping
and
Pulse-
Filter
Digital
Front
End
Canceler
N8960DSB
Echo
Variable-
Gain
DAC
Equalizer
Scrambler
Source/
Symbol
Detector
Single-Chip 2B1Q Transceiver
Reference
Generator
Recovery/
Interface
Amplifier
Transmit
Interface
Channel
Channel
Receive
Voltage
Crystal
Timing
nostics
JTAG
Diag-
Unit
PLL
Unit
HCLK
QCLK
XTALI/MCLK
XTALO
XOUT
RBIAS
VCOMO
VCOMI
VCCAP
VRXP,VRXN
VTXP,VTXN
SMON
TMS
TDI
TCK
TDO
TBCLK
TQ[1]/TDAT
TQ[0]
RQ[1]/RDAT
RQ[0]/BCLK
RBCLK
Bt8960