H8SXSLASH1663 datasheet(822/1158 Pages) RENESAS

부품명	H8SX/1663

상세설명	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

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제조업체	RENESAS [Renesas Technology Corp]

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Section 16 USB Function Module (USB)

Rev.1.00 Jun. 07, 2006 Page 770 of 1102

REJ09B0294-0100

16.3.19

Data Status Register (DASTS)

DASTS indicates whether the transmit FIFO buffers contain valid data. A bit is set when data is

written to the corresponding FIFO buffer and the packet enable state is set, and cleared when all

data has been transmitted to the host.

Bit

Bit Name

Initial Value

R/W



EP3 DE

EP2 DE



EP0i DE

Bit

Bit Name

Initial

Value

R/W

Description



Reserved

These bits are always read as 0. The write value

should always be 0.

EP3 DE

EP3 Data Present

This bit is set when the endpoint 3 FIFO buffer

contains valid data.

EP2 DE

EP2 Data Present

This bit is set when the endpoint 2 FIFO buffer

contains valid data.



Reserved

These bits are always read as 0.

EP0i DE

EP0i Data Present

This bit is set when the endpoint 0 FIFO buffer

contains valid data.

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