M66290AFP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M66290AFP

USB DEVICE CONTROLLER

MITSUBISHI ELECTRIC  

MITSUBISHI <DIGITAL ASSP>

M66290AGP/FP

USB DEVICE CONTROLLER

(2-8) Interrupt Status Register 3 (Address : 1Eh)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

EPB_EMP_OVR[5:0]

Bit

Bit

Name

15 to 6 Reserved

Name

Write/Read "0"

Function

Reset

W/R

H/W S/W USB

When factors below are occurred to each endpoint, the bit which

corresponds to the number of endpoint, changes to "1".

5 to 0

EPB_

EMP_

OVR

[5:0]

Endpoint5-0 buffer

empty/size error

interrupt

1. If the transfer direction is IN

In each endpoint, when transmission completed of all data which stored

in buffer, c

By this interrupt, if endpoint is set to double buffer, it can be known that

transmission of all data of buffer is completed.

And also by this interrupt, it can be known that transmission of EP0 is

completed.

2. If the direction is OUT

In each endpoint, when received data which exceeds the maximum

packet size in data packet receive, the bit which corresponds to the

number of endpoint changes to "1".

W/R 00h 00h -

When "0" is written, status flag is cleared.

When "1" is written, status flag is not cleared.

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