CN8478 Datasheet, PDF (17/221 Pages) Conexant Systems, Inc – Multichannel Synchronous Communications Controller (MUSYCC)

CN8478/CN8474A/CN8472A/CN8471A
Multichannel Synchronous Communications Controller (MUSYCC™)
Figure 1-2. Detailed System Block Diagram
1.0 System Description
Host Interface
PCLK
PRST*
INTB*
INTA*
GNT*
REQ*
SERR*
PERR*
IDSEL*
FRAME*
IRDY*
TRDY*
DEVSEL*
STOP*
PAR*
CBE[3:0]*
AD[31:0]
M66EN
Device
Configuration
Registers
PCI
Interface
PCI
Configuration
Space
[Function 0]
PCI
Configuration
Space
[Function 1]
TCK
TEN*
TMS
TDO
TDI
8478_002
Scan
Data
Control
Serial Interface Channel Group 0
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 1
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 2
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 3
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 4
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 5
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 6
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Serial Interface Channel Group 7
Interrupt
Controller
DMA
Controller
Tx/Rx-DMAC
Bit-Level
Processor
Tx/Rx-BLP
Port
Interface
Tx/Rx
Boundary Scan and Test Access
Expansion Bus Interface
RCLK0
RSYNC0
RDAT0
ROOF0
TCLK0
TSYNC0
TDAT0
RCLK1
RSYNC1
RDAT1
ROOF1
TCLK1
TSYNC1
TDAT1
RCLK2
RSYNC2
RDAT2
ROOF2
TCLK2
TSYNC2
TDAT2
RCLK3
RSYNC3
RDAT3
ROOF3
TCLK3
TSYNC3
TDAT3
RCLK4
RSYNC4
RDAT4
ROOF4
TCLK4
TSYNC4
TDAT4
RCLK5
RSYNC5
RDAT5
ROOF5
TCLK5
TSYNC5
TDAT5
RCLK6
RSYNC6
RDAT6
ROOF6
TCLK6
TSYNC6
TDAT6
RCLK7
RSYNC7
RDAT7
ROOF7
TCLK7
TSYNC7
TDAT7
SCAN_EN
TM0
TM1
ECLK
RD* (DS*)
WR* (R/WR*)
ALE*
BGACK*
HOLD (BR*)
HLDA (BG*)
EBE[3:0]*
EAD[31:0]*
EINT*
100660E
Conexant
1-3