h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 631

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Bit
2
1
Bit Name Initial Value R/W
EP1TF
EP0ITF
0
0
R/(W) * Endpoint 1 Transfer Failure Flag
R/(W) * Endpoint 0 Transfer Failure Flag
Description
Indicates that the endpoint 1 host input transfer has
been completed abnormally.
0: Indicates that the endpoint 1 is in a transfer wait state.
[Clearing condition]
1: Indicates that the endpoint 1 host input transfer (IN
[Setting conditions]
Indicates that the endpoint 0 host input transfer has
been completed abnormally.
0: Indicates that the endpoint 0 is in a transfer wait state.
[Clearing conditions]
1: Indicates that the endpoint 0 host input transfer (IN
[Setting conditions]
transaction) has been completed abnormally.
transaction) has been completed abnormally.
0 is written to EP1TF after EP1TF = 1 has been read.
An ACK handshake cannot be achieved after an IN
token has been received and data has been
transferred.
Data cannot be sent because the FIFO is empty after
an IN token has been received (NAK transmission).
0 is written to EP0ITF after EP0ITF = 1 has been
read.
Endpoint 0 has received a SETUP token.
An ACK handshake cannot be achieved after an IN
token has been received and data has been
transferred.
Data cannot be sent because the FIFO is empty after
an IN token has been received (NAK transmission).
Section 18 Universal Serial Bus Interface (USB)
Rev. 3.00 Jan 25, 2006 page 579 of 872
REJ09B0286-0300