r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1601

Manufacturer Part Number

r5s77631ay266bgv

Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series

Manufacturer

Renesas Electronics Corporation.

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).

Initial value:

Initial Value R/W Description

Number of received bytes for endpoint 4

These bits are always read as undefined value.

Write value should always be 0.

Section 36 USB Function Controller (USBF)

Rev. 1.00 Oct. 01, 2007 Page 1535 of 1956

REJ09B0256-0100