H8SXSLASH1663M datasheet(1175/1504 Pages) RENESAS

部件名	H8SX/1663M

功能描述	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1504 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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1175 / 1504 page

Section 25 Flash Memory

Rev. 2.00 Sep. 24, 2008 Page 1143 of 1468

REJ09B0412-0200

25.8.2

USB Boot Mode

USB boot mode executes programming/erasing of the user MAT by means of the control

command and program data transmitted from the externally connected host via the USB.

In USB boot mode, the tool for transmitting the control command and program data, and the

program data must be prepared in the host. The system configuration in USB boot mode is shown

in figure 25.9. Interrupts are ignored in USB boot mode. Configure the user system so that

interrupts do not occur.

Host or

self-power HUB

Programming tool

and program data

Software for

analyzing

control

commands

(on-chip)

This LSI

Flash

memory

On-chip

RAM

USB

PM2

MD3 to MD0

PM4

0010

PM3

0: Self power setting

1: Bus power setting

VBUS

USB+

USB-

Data transmission/

reception

1.5 k

Ω

Figure 25.9

System Configuration in USB Boot Mode

H8SX/1663M 数据表(PDF) 1175 Page - Renesas Technology Corp

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