ML60851D 데이터 시트보기 (PDF) - Oki Electric Industry

부품명

상세내역

제조사

ML60851D

USB Device Controller

Oki Electric Industry 

1Semiconductor

PEDL60851D-01

ML60851D

EP1 Receive Packet Ready Bit (D1)

This bit can be read by the local MCU. Further, this bit can be set to “0” by writing “1” to the D1 bit.

The conditions of asserting and deasserting this bit are the following. EP1 has a two-layer FIFO, and even the

packet ready bits are present independently for layer A and layer B. The switching between these two layers is

done automatically by the ML60851D.

Bit name

EP1 Receive packet ready (D1)

Asserting condition

When an error-free packet is

received in either layer A or layer B.

Action when asserted

The local MCU can read the

EP1RXFIFO. EP1 is locked when

both layer A and layer B have

received a packet data.

Bit name

EP1 Receive packet ready (D1)

Deasserting condition

When the local MCU resets (writes a

“1”) in the bits of both layer A and

layer B.

Action when deasserted

Reception is possible in EP1 when at

least one of the bits of layer A and

layer B has been reset.

See the explanation of the operation of the two-layer FIFO given in the Section on ‘Functional Description’.

EP2 Receive Packet Ready Bit (D2)

This bit can be read by the local MCU. Further, this bit can be set to “0” by writing “1” to the D2 bit.

The conditions of asserting and deasserting this bit are the following.

Bit name

EP2 Receive packet ready (D2)

Asserting condition

When an error-free packet is

received.

Action when asserted

EP2 is locked.

Bit name

EP2 Receive packet ready (D2)

Deasserting condition

Action when deasserted

When the local MCU resets (writes a Data reception is possible in EP2.

“1” in) this bit.

EP0 Transmit Packet Ready Bit (D4)

This bit can be read by the local MCU. Further, this bit can be set to “1” by writing “1” to the D4 bit.

The conditions of asserting and deasserting this bit are the following.

Bit name

Asserting condition

EP0 Transmit packet ready (D4) When the local MCU sets this bit.

Action when asserted

Data transmission is possible from

EP0.

Bit name

EP0 Transmit packet ready (D4)

Deasserting condition

1. When an ACK is received from the

host computer in response to the

data transmission from EP0.

2. When a setup packet is received.

Action when deasserted

EP0 is locked. In other words, an

NAK is returned automatically when

an IN token is received from the host

computer.

17/82

Share Link: