Maxim-integrated MAXQ7667 Manual do Utilizador descarregar pdf (Página 232)

100

101

_________________________________________________________________________________________________________ 13-14

MAXQ7667 User’s Guide

SET UART FOR MODE 1

TRANSMIT 02h

(ERASE FLASH AND RAM)

TRANSMIT 01h

(EXIT BOOTLOADER)

SOFT RESET UPON EXITING

BOOTLOADER

CODE JUMPS TO 8000h, TO THE UTILITY ROM,

AND THEN EVENTUALLY TO 0000h WHERE THE

APPLICATION CODE RESIDES

TRANSMIT

10h

LENGTH

w_addr_l

w_addr_h

byte_1

byte_2

byte_length

START

3Eh

RECEIVED?

IS WRITING TO

THE FLASH

DONE?

3Eh

RECEIVED?

TRANSMIT 0Dh

LISTEN A WHILE

YES

10h IS THE LOAD CODE COMMAND.



LENGTH IS THE NUMBER OF BYTES OF

CODE TO BE UPLOADED.



w_addr_l IS THE LOWER HALF OF THE

32-BIT ADDRESS WHERE LOADING OF

THE CODE IS TO START.



w_addr_h IS THE UPPER HALF OF THE

32-BIT ADDRESS WHERE LOADING OF

THE CODE IS TO START.



byte_1, byte_2, ..., byte_length ARE

THE BYTES OF PROGRAM CODE THAT

ARE LOADED INTO FLASH.

AUTOBAUD: BAUD-RATE DETECTION

YES

3Eh

RECEIVED?

APPLICATION CODE

YES

LOOP UNTIL ALL THE DATA IS WRITTEN

TO THE FLASH.



(128 BYTES OR WORDS CAN BE LOADED

WITH ONE LOAD).

Figure 13-1. Host-Side Operation Through UART

1 2 ... 227 228 229 230 231 232 233 234 235 236 237 ... 346 347

Comentários a estes Manuais

Sem comentários

Maxim-integrated MAXQ7667 Manual do Utilizador Página 232

Comentários a estes Manuais

Manuais e produtos relacionados com Hardware Maxim-integrated MAXQ7667