參數(shù)資料
型號: M34506M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封裝: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 11/114頁
文件大?。?/td> 937K
代理商: M34506M4-XXXFP
Rev.2.00
Aug 28, 2006
page 106 of 119
7643 Group
REJ03B0054-0200
qDownload Command
This command downloads a program to the RAM for execution.
Execute the download command as explained here following.
(1) Transfer the “FA16” command code with the 1st byte.
(2) Transfer the program size with the 2nd and 3rd bytes.
(3) Transfer the check sum with the 4th byte. The check sum is
added to all data sent with the 5th byte onward.
(4) The program to execute is sent with the 5th byte onward.
When all data has been transmitted, if the check sum matches,
the downloaded program is executed. The size of the program will
vary according to the internal RAM.
Fig. 94 Timing for download
FA16
Program
data
Program
data
Data size
(low)
Check
sum
SCLK
SRXD
STXD
SRDY (BUSY)
Data size
(high)
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