7643 datasheet(256/424 Pages) RENESAS

Part #	7643

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

PDF	424 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

256 / 424 page

Rev.2.00

Aug 28, 2006

page 135 of 202

7643 Group

REJ09B0133-0200

APPLICATION

2.6 USB

Fig. 2.6.30 Registers setting (1) (USB endpoint 1 transmit)

Endpoint index: Endpoint 1

USB endpoint index register (Address : 5816)

USBINDEX

000

0 01

USB endpoint 1 FIFO (Address : 6116)

IN_PKT_RDY bit : set this bit to “1” after data is set to FIFO.

USB endpoint x IN control register (Address : 5916)

IN_CSR

AUTO_SET bit : disabled

USBFIFO1

Transmit data set

(2)

Application example 2: USB transmit

Outline: Data is transmitted in a USB IN transmit.

Specification: - 8 bytes of data (data 0 to 7) is transmitted in the endpoint 1 IN interrupt routine.

- AUTO_SET bit (address 005916, bit 7) = “0” (disabled)

- USB endpoint 1 IN max. packet size : 8 bytes

Figure 2.6.30 shows the related register settings, Figure 2.6.31 shows a control procedure example.

7643 Datasheet(PDF) 256 Page - Renesas Technology Corp