SH7280 Datasheet, PDF (1369/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 25 USB Function Module
25.3.14 USBEP1 Receive Data Size Register (USBEPSZ1)
USBEPSZ1 indicates, in bytes, the amount of data received from the host by endpoint 1. The
endpoint 1 FIFO buffer has a dual-FIFO configuration. The receive data size indicated by this
register refers to the currently selected FIFO (that can be read by CPU).
USBEPSZ1 can be initialized to H'00 by a power-on reset.
Bit: 7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
Initial value: 0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
Bit
7 to 0
Bit Name

Initial
Value
All 0
R/W Description
R
Number of bytes received by endpoint 1
Rev. 1.00 Jun. 26, 2008 Page 1339 of 1692
REJ09B0393-0100