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Section 26 USB 2.0 Host/Function Module
Page 1452 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
1, 0 PID[1:0] 00 R/W
This module sets PID to NAK on detecting a
receive error such as a CRC error three
consecutive times when the host controller
function is selected.
This module sets PID to STALL (11) on receiving
the STALL handshake when the host controller
function is selected.
To specify each response type, set these bits as
follows.
To make a transition from NAK (00) to STALL,
set 10.
To make a transition from BUF (01) to STALL,
set 11.
To make a transition from STALL (11) to NAK,
set 10 and then 00.
To make a transition from STALL to BUF, set 00
(NAK) and then 01 (BUF).
Note: * Only 0 can be read and 1 can be written.