參數(shù)資料
型號: M66291GP
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 125/128頁
文件大?。?/td> 928K
代理商: M66291GP
M66291GP/HP
Rev 1.01 2004.11.01 page 94 of 122
SETUP
DATA0
ADDR
EP
CRC5
8 bytes data (CR)
CRC16
ACK
VALID='1'
EP0_PID="00"
CCPL='0'
CTRT='1'
CTSQ ="001"
Interrupt
VALID confirm
CTRT interrupt confirm
CTRT interrupt clear
VALID clear
Request data analysis
Execute the following
processing on the basis of the
request data analysis result.
1. Set the transm it data to the
E P0 FIFO
2. Set the EP0 response PID
to BUF ("01")
Abandon request data
analysis result
W ait for the next CTRT
interrupt
VALID='1'
VALID='0'
IN
ADDR
EP
CRC5
NAK
CTRT='0'
VALID='0'
IN
ADDR
EP
CRC5
NAK
W rite data to
EP0_FIFO
(IVAL='1')
EP0_PID =
"01"
OUT
ADDR
EP
CRC5
DATA1
CRC16
(0 byte length data)
STALL
CTRT='1'
CTSQ ="110"
EP0_PID="10"
Interrupt
CTRT interrupt confirm
CTRT interrupt clear
CTRT='0'
H/W state
S/W procedure
USB bus
SETUP : SETUP PID
OUT
: OUT PID
IN
: IN PID
ADDR
: USBaddress (H'00~H'7F)
EP
: Endpoint (H'0~H'3)
CRC5
: 5 bits CRC
DATA0 : DATA0 PID
DATA1 : DATA1 PID
: Data to device from host
: Data to host from device
CR
: Control read transfer
CW
: Control write transfer
ND
: Control no data transfer
CRC16 : 16 bits CRC
ACK
: ACK PID
NAK
: NAK PID
STALL : STALL PID
SETUP
DATA0
ADDR
EP
CRC5
8 bytes data(CR)
CRC16
ACK
VALID='1'
EP0_PID="00"
CCPL='0'
CTRT='1'
CTSQ ="001"
Interrupt
IN
ADDR
EP
CRC5
NAK
CTRT interrupt confirm
CTRT interrupt clear
VALID clear
Request data analysis
Figure 3.10 Examples of Control Transfer Error Operations
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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