38K2 datasheet(76/358 Pages) RENESAS

76 / 358 page

FUNCTIONAL DESCRIPTION

Rev.2.00

Oct 15, 2006

page 57 of 130

38K2 Group

REJ09B0338-0200

HARDWARE

Fig. 84 Structure of EP11 interrupt source register

Fig. 85 Structure of EP11 byte number register

Fig. 86 Structure of EP11 buffer area set register

USB HUB/Endpoint 1 buffer 0

ready interrupt bit

Not used

B0RDY11

b7:b1

–

EP11 interrupt source register (EP11REQ) [address 001D16]

Bit name

Bit symbol

At reset

Function

H/W

S/W

0: No interrupt request issued

1: Interrupt request issued

This bit is set to “1” when the buffer is ready state

(enabled to be read/written) on USB HUB/Endpoint 1.

“0” can be set by software, but “1” cannot be set.

Write “0” when writing.

“0” is read when reading.

–: State remaining

000

0000

B0BYT11

b7:b1

—

EP11 byte number register (EP11BYT0) [address 001E16]

IN : Set the transmitting byte number.

Write 0 when writing.

0 is read when reading.

Bit name

Bit symbol

At reset

Function

H/W

S/W

Transmit byte number bit

Not used

—: State remaining

EP11 beginning address set bit

Not used

BADD11

[4:0]

b7:b5

–

EP11 buffer area set register (EP11BUF) [address 0FED16]

Bit name

Bit symbol

At reset

Function

H/W

S/W

Set the beginning address of EP11’s buffer area.

(32-byte unit)

b4b3b2b1b0

0 0 0 1 0 : 004016

0 0 0 1 1 : 006016

..............

1 1 1 1 0 : 03C016

1 1 1 1 1 : 03E016

Write “0” when writing.

“0” is read when reading.

–: State remaining

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