H8SXSLASH1663 datasheet(959/1158 Pages) RENESAS

部件名	H8SX/1663

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

PDF	1158 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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959 / 1158 page

Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 907 of 1102

REJ09B0294-0100

21.7.2

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 21.9. 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 21.9 System Configuration in USB Boot Mode

H8SX/1663 数据表(PDF) 959 Page - Renesas Technology Corp

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