ML60851D 查看數據表（PDF） - Oki Electric Industry

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ML60851D

USB Device Controller

Oki Electric Industry 

1Semiconductor

PEDL60851D-01

ML60851D

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

EP0 Receive packet ready (D0)

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.)

Bit name

EP0 Receive packet ready (D0)

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.

R/Reset: Reading possible/ Reset when a “1” is written

R/Set: Reading possible/ Set when a “1” is written

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