M16C6K9 Datasheet, PDF (278/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Standard Serial I/O Mode
S/W commands
Table EE-2 lists the S/W commands. In standard serial I/O mode, the S/W commands, which transferred
from RxD pin, control of erase, program and read etc. The S/W commands in standard serial I/O mode are
similar with that in parallel I/O mode. ID check function, download function, version information output function,
boot ROM area output function and read check data, 5 commands are added.
Table EE-2 The list of S/W commands (standard serial I/O mode)
Control
command
1 Page read
1^st byte
transfer
FF16
2 Page program
4116
3 Block erase
2016
4 Read
status register
5 Clear
status register
6 ID check
function
7 Download
function
8 Version information
output function
9 Boot ROM area
output function
10 Read check
data
7016
5016
F516
FA16
FB16
FC16
FD16
2^nd byte
Address
(middle)
Address
(middle)
Address
(middle)
SRD
output
3^rd byte
Address
(high)
Address
(high)
Address
(high)
SRD1
output
4^th byte
5^th byte
Data
output
Data
input
D016
Data
output
Data
input
6^th byte
Data
output
Data
input
–
259^th byte
data output
259^th byte
data input
Address
(low)
Address
(low)
Version
data output
Address
(middle)
Check data
(low)
Address
(middle)
Address
(high)
Version
data output
Address
(high)
Check data
(high)
Address ID size
(high)
Check
Data
sum
input
Version Version
data output data output
Data
Data
output
output
ID1
–ID7
No. of
–ID7
times required
Version
–9^th byte
data output Version data output
Data
–259^th byte
output
data output
If ID
unmatched
Not acceptable
Not acceptable
Not acceptable
Acceptable
Not acceptable
Acceptable
Not acceptable
Acceptable
Not acceptable
Not acceptable
Note 1: Shading indicates transfer from flash memory on chip microcomputer to serial programmer.
The else indicates transfer from serial programmer to flash memory on chip microcomputer.
Note 2: SRD means status register data. SRD1 means status register 1 data.
Note 3: All commands are acceptable if the flash memory is blank.
Rev.1.00 Jun 06, 2003 page 278 of 290