Renesas M16C/29 Series User Manual

20. Flash Memory Version
puorG92/C61M
page 336
854fo7002,03.raM21.1.veR
2110-1010B90JER
Symbol Address Factory Setting
ROMCP 0FFFFF
16 FF16
(4)
ROM Code Protect Control Address
(5)
Bit Name Function
Bit Symbol
b7 b6 b5 b4 b3 b2 b1 b0
00:
01:
10:
11: Disables protect
ROM Code Protect Level
1 Set Bit
(1, 2, 3, 4)
ROMCP1
b7 b6
11
Reserved Bit
Set to 1
Enables protect
}
NOTES:
1. When the ROM code protect is active by the ROMCP1 bit setting, the flash memory is protected
against reading or rewriting in parallel I/O mode.
2. Set the bit 5 to bit 0 to 111111
2 when the ROMCP1 bit is set to a value other than 11 2 . When the bit 5
to bit 0 are set to values other than 111111
2 , the ROM code protection may not become active by
setting the ROMCP1 bit to a value other than 11
2 .
3. To make the ROM code protection inactive, erase a block including the ROMCP address in standard
serial I/O mode or CPU rewrite mode.
4. The ROMCP address is set to FF
16 when a block, including the ROMCP address, is erased.
5. When a value of the ROMCP address is 00
16 or FF 16 , the ROM code protect function is disabled.
11
RW
RW
RW
RW
(b5-b0)
Reset vector
Watchdog timer vector
Single step vector
Address match vector
BRK instruction vector
Overflow vector
Undefined instruction vector
ID7
ID6
ID5
ID4
ID3
ID2
ID1
DBC vector
NMI vector
0FFFFF16 to 0FFFFC16
0FFFFB16 to 0FFFF816
0FFFF716 to 0FFFF416
0FFFF316 to 0FFFF016
0FFFEF16 to 0FFFEC16
0FFFEB16 to 0FFFE816
0FFFE716 to 0FFFE416
0FFFE316 to 0FFFE016
0FFFDF16 to 0FFFDC16
4 bytes
Address
ROMCP
Figure 20.4 ROMCP Address
Figure 20.5 Address for ID Code Stored

Renesas M16C/29 Series Specifications

General

Brand	Renesas
Model	M16C/29 Series
Category	Microcontrollers
Language	English