Manualsbrain.com
  1. 매뉴얼
  2. 브랜드
  3. Texas Instruments
  4. TMS320DM357
  5. 사용자 설명서

Texas Instruments TMS320DM357 사용자 설명서

다운로드
페이지 중 144
Int
Setup
IN data
phase
Int
IN data
phase
Int
IN data
phase
Int
Status phase
(OUT)
Int
Sequence #1
Idle
TX state
Idle
set TxPktRdy
Load FIFO and
and set DataEnd
Load FIFO
and set
TxPktRdy
Unload device
req. and clear
RxPktRdy
Load FIFO
and set
TxPktRdy
CPU actions
Status phase
Setup
CPU actions
Sequence #2
RxPktRdy
and clear
Unload FIFO
OUT data
Idle
Unload FIFO
and clear
RxPktRdy
phase
OUT data
Int
Int
phase
clear RxPktRdy
Unload FIFO and
and set DataEnd
Int
OUT data
phase
Int
(IN)
Int
RX state
Idle
Unload
device req.
and clear
RxPktRdy
Setup
Int
Sequence #3
Status phase
(IN)
Int
No data phase
DataEnd
clear RxPktRdy and set
Unload device req and
Idle
CPU actions
USB Controller Host and Peripheral Modes Operation
www.ti.com
Figure 4. Sequence of Transfer
30
Universal Serial Bus (USB) Controller
SPRUGH3 – November 2008