M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 330

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M
R
R
1
e
E
Figure 18.9 Setting and Resetting of EW Mode 0
Figure 18.10 Setting and Resetting of EW Mode 1
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6
J
0
C
2
9
2 /
0 .
B
8
0
0
0
G
4
J
7
a
o r
0 -
. n
u
Transfer a rewrite control program to internal RAM
area
EW mode 0 operation procedure
Jump to the rewrite control program transfered to an
internal RAM area (in the following steps, use the
rewrite control program internal RAM area)
2
NOTES:
p
3
0
, 1
1. Select 10 MHz or below for CPU clock using the CM06 bit in the CM0 register and CM17 to 16 bits in the CM1
2. Set the FMR01 bit to “1” immediately after setting it to “0”. Do not generate an interrupt or a DMA transfer
3. Disables the CPU rewrite mode after executing the read array command.
0
(
M
register. Also, set the PM17 bit in the PM1 register to “1” (with wait state).
between setting the bit to “0” and setting it to “1”. Set the FMR01 bit in a space other than the internal flash
memory. Also, set only when the P8
2
0
1
Set CM0, CM1, and PM1 registers
0
6
NOTES:
7
C
1. Select 10 MHz or below for CPU clock using the CM06 bit in the CM0 register and CM17 to 16 bits.
2. Set the FMR01 bits to “1” immediately after setting it to “0”. Do not generate an interrupt or a DMA
3. Set the FMR11 bit to "1" immediately after setting it to "0" while the FMR01 bit is set to "1". Do not
2 /
in the CM1 register. Also, set the PM17 bit in the PM1 register to “1” (with wait state).
transfer between setting the bit to “0” and setting the bit to “1”. Set the FMR01 bit in a space other
than the internal flash memory. Set only when the P8
function selected.
generate an interrupt or a DMA transfer between setting the FMR11 bit to "0" and setting it to "1".
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EW mode 1 operation procedure
Single-chip mode
M
1
6
C
2 /
f o
Set the FMR01 bit to “1” (CPU rewrite mode
enabled) after writing “0”
Set the FMR11 bit to “1” (EW mode 1) after writing
“0”
8
3
) B
(2, 3)
8
Set CM0, CM1, and PM1 registers
5
Execute software commands
(CPU rewrite mode disabled)
5
/NMI/SD pin is “H” at the time of the NMI function selected.
Set the FMR01 bit to “0”
Single-chip mode
(1)
Program in ROM
Rewrite control program
5
Jump to a specified address in the flash memory
/NMI/SD pin is “H” at the time of the NMI
Set the FMR01 bit to “1” after writing “0”
(CPU rewrite mode enabled)
(1)
Execute the Read Array command
Execute software commands
(CPU rewrite mode disabled)
Write “0” to the FMR01 bit
(2)
18. Flash Memory Version
(3)