参数资料
型号: TSB43AA82GGW
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PBGA176
封装: PLASTIC, BGA-176
文件页数: 64/146页
文件大小: 770K
代理商: TSB43AA82GGW
24
Asynchronous command FIFOs (total 378 quadlets)
MTQ:
MRF:
CTQ:
CRF:
ATF:
ARF:
Management ORB transmit FIFO
Management ORB receive FIFO
Command block ORB transmit FIFO
Command block ORB receive FIFO
Asynchronous packet transmit FIFO
Asynchronous packet receive FIFO
3 quadlets (fixed)
15 quadlets (fixed)
Adjustable
ConfigROM/LOG FIFOs (total 126 quadlets)
Autoresponse ConfigROM area
Page table buffer for DTF
Page table buffer for DRF
Status block buffer for DTF
Status block buffer for DRF
Log data area
Adjustable
DMA FIFOs (BDFIFO) (total 1182 quadlets)
DTF:
DRF:
Data transmit FIFO
Data receive/fetch FIFO
Adjustable
2.13 Example System Block Diagrams
2.13.1 Asynchronous Mode With Separate Microcontroller and DMA Bus
In this system, the CPU has no DMA capabilities. At the host I/F of the TSB43AA82 is a CPU with no DMA
capabilities. At the DMA I/F of the TSB43AA82 is a DMA controller to control the data in and out of the
TSB43AA82.
TSB43AA82
BDIO
BDIEN
BDOEN
ADDR
DA
XWR
XRD
CPU
ADDR
Data 8 or 16
WR
RD
Memory
DMA Controller
Data 8 or 16
1394
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