M66290AFP datasheet(20/54 Pages) RENESAS

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USB DEVICE CONTROLLER

M66290AGP/FP

MITSUBISHI <DIGITAL ASSP>

Bit

Name

Function

Reset

00h

W/R

Write/Read "0"

EPB_

EMP_

OVR

[5:0]

Endpoint5-0 buffer

empty/size error

interrupt

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

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

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".

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

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

5 to 0

Reserved

15 to 6

W/R

USB

S/W

H/W

EPB_EMP_OVR[5:0]

D10

D11

D12

D15

D13

D14

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

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