參數(shù)資料
型號(hào): ML60851D
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: USB Device Controller
中文描述: USB設(shè)備控制器
文件頁(yè)數(shù): 16/82頁(yè)
文件大?。?/td> 705K
代理商: ML60851D
PEDL60851D-01
1
Semiconductor
ML60851D
16/82
EP0 Receive packet ready bit (D0)
This bit can be read by the local MCU. Further, this bit can be set to “0” by writing “1” to the D0 bit.
The conditions of asserting and deasserting this bit are the following.
Bit name
Asserting condition
1. When data is received in EP0
and storing of one packet of
receive data in EP0RXFIFO is
completed.
2. When a setup packet is received
during a control Read or a control
Write transfer.
Action when asserted
EP0 is locked (that is, an NAK is
returned automatically when a data
packet is received from the host
computer).
(In the case of the asserting
condition 1, the local MCU can read
EP0RXFIFO.)
EP0 Receive packet ready (D0)
Bit name
Deasserting condition
1. When the local MCU resets
(writes a “1” in) this bit.
2. When the local MCU resets the
setup ready bit during a control
Write transfer.
Action when deasserted
Reception is possible in EP0.
EP0 Receive packet ready (D0)
R/Reset: Reading possible/ Reset when a “1” is written
R/Set:
Reading possible/ Set when a “1” is written
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