參數(shù)資料
型號(hào)： M37641M8
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 126/149頁
文件大?。?/td> 1997K
代理商： M37641M8
126
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Software Commands
Table 33 lists software commands. In standard serial I/O mode,
erase, program and read are controlled by transferring software
commands via the SRXD pin. Software commands are explained
2nd byte
Address
(middle)
3rd byte
Address
(high)
4th byte
Data
output
5th byte
Data
output
6th byte
Data
output
.....
Data
output to
259th byte
Data input
to 259th
byte
FF
16
When ID is
not verified
Not
acceptable
1st byte
transfer
Notes1:
Shading indicates transfer from the internal flash memory microcomputer to a programmer. All other data is transferred from a programmer to the in-
ternal flash memory microcomputer.
2:
SRD refers to status register data. SRD1 refers to status register 1 data.
3:
All commands can be accepted for the products of which boot ROM area is totally blank.
4:
Address low is AB
0
to AB
7
; Address middle is AB
8
to AB
15
; Address high is AB
16
to AB
23
.
here below. Basically, the software commands of the standard se-
rial I/O mode are as same as that of the parallel I/O mode, but 4
commands are added: ID check, download, version data output
and Boot ROM area output functions.
Table 33 Software commands (Standard serial I/O mode)
Control command
1
Page read
2
Page program
41
16
Address
(middle)
Address
(high)
Data
input
Data
input
Data
input
Not
acceptable
Not
acceptable
Not
acceptable
Acceptable
3
Block erase
20
16
Address
(middle)
Address
(high)
D0
16
4
Erase all blocks
A7
16
D0
16
5
Read status register
70
16
SRD
output
SRD1
output
6
Clear status register
50
16
Not
acceptable
Acceptable
7
ID check
F5
16
Address
(low)
Size
(low)
Address
(middle)
Size
(high)
Address
(high)
Check-
sum
ID size
ID1
To ID7
8
Download function
FA
16
Data
input
To
required
number
of times
Not
acceptable
9
Version data output function
FB
16
Version
data
output
Address
(middle)
Version
data
output
Address
(high)
Version
data
output
Data
output
Version
data
output
Data
output
Version
data
output
Data
output
Version
data output
to 9th byte
Data
output to
259th byte
Acceptable
Not
acceptable
FC
16
10
Boot ROM area output
function
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