SH7763 Datasheet, PDF (1601/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 36 USB Function Controller (USBF)
36.3.26 EP4 Receive Data Size Register (EPSZ4)
EPSZ4 is a receive data size resister for endpoint 4. EPSZ4 indicates the number of bytes received
from the host. FIFO of endpoint 4 has a dual-buffer configuration. The size of the received data
indicated by this register is the size of the currently selected side (can be read by CPU).
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
————————————————
Initial value: — — — — — — — — — — — — — — — —
R/W: R R R R R R R R R R R R R R R R
Bit: 15 14 13 12 11 10 9
8
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 R R R R R R R R
Bit Bit Name
31 to 8 
7 to 0 
Initial Value R/W Description
Undefined R Reserved
These bits are always read as undefined value.
Write value should always be 0.
All 0
R Number of received bytes for endpoint 4
Rev. 1.00 Oct. 01, 2007 Page 1535 of 1956
REJ09B0256-0100