m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 228

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

222
Appendix Standard Serial I/O Mode 2 (Flash Memory Version)
Note 1: All commands can be accepted when the flash memory is totally blank.
Note 2: Shading indicates transfer from flash memory microcomputer to peripheral unit. All other data is
Note 3: SRD refers to status register data. SRD1 refers to status register 1 data.
Note 4: The 'erase all' command does not erase the Flash data blocks.
10
11
12
13
14
1
3
5
6
8
9
4
7
2
Table 1.23.2. Software commands (Standard serial I/O mode 2) (Note 1)
Block erase
Erase all code blocks (Note 4)
Clear status register
ID check function
Version data output function
(Note 2)
Read check data (Note 2)
Baud rate 9600 (Note 2)
Baud rate 19200 (Note 2)
Page program
Read status register (Notes 2,3)
Download function
Baud rate 38400 (Note 2)
Baud rate 57600 (Note 2)
Page read (Note 2)
Software Commands
Table 1.23.2 lists software commands. In the standard serial I/O mode 2, erase operations, programs
and reading are controlled by transferring software commands via the RxD
mode 2 adds four transmission speed commands - 9,600, 19,200, 38,400 and 57,600 bps - to the soft-
ware commands of standard serial I/O mode 1. Software commands are explained here below.
transferred from the peripheral unit to the flash memory microcomputer.
Control Command
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
1st Byte
Transfer
50
FA
FB
FD
B0
B1
F5
B2
FF
20
A7
70
B3
41
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Address
(middle)
Address
(middle)
Address
(middle)
D0
Address
Check
output
Version
SRD
Renesas Technology Corp.
data
(low)
output
Byte
Size
(low)
(low)
data
B0
B1
B2
B3
2nd
16
16
16
16
16
Address
Address
Address
Address
(middle)
Version
SRD1
output
Check
(high)
(high)
(high)
(high)
(high)
Byte
output
Size
data
3rd
data
Checksum
Address
Version
(high)
output
output
Byte
Data
Data
input
D0
data
4th
16
Version
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
output
output
ID size
Data
input
Data
input
Data
data
Byte
5th
To required
no. of times
Version
output
output
Data
Data
input
Byte
data
1
ID1
6th
pin. Standard serial I/O
259th byte
259th byte
data output
output to
to 9th byte
input to
Version
M16C/26 Group
To ID7
Data
Data
... nth
Byte
When ID is
not verified
Acceptable
Acceptable
Acceptable
Acceptable
Acceptable
Acceptable
Acceptable
acceptable
acceptable
acceptable
acceptable
acceptable
acceptable
acceptable
Not
Not
Not
Not
Not
Not
Not