HD6417705 Datasheet, PDF (493/739 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

18.3.13 EP0o Receive Data Size Register (EPSZ0o)
EPSZ0o indicates the number of bytes received at endpoint 0 from the host.
Bit
7 to 0
Bit Name
—
Initial Value R/W
0
R
Description
Number of receive data for endpoint 0
18.3.14 EP1 Receive Data Size Register (EPSZ1)
EPSZ1 is a receive data size resister for endpoint 1. EPSZ1 indicates the number of bytes received
from the host. The FIFO for endpoint 1 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
7 to 0
Bit Name
—
Initial Value R/W
0
R
Description
Number of received bytes for endpoint 1
Rev. 2.00, 09/03, page 447 of 690