tmp89fm43l TOSHIBA Semiconductor CORPORATION, tmp89fm43l Datasheet - Page 369

• Manufacturer Part Number: tmp89fm43l
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA003
22.7
22.8
0x1000 through 0x1FFF in the code area respectively.
command) and an original program, data write or erase operations must be performed while switching between areas
by using the flash memory control registers (FLSCR1 and 2). For information on how to specify addresses, refer to
Flash Memory.
data from flash memory (hereafter called the 0xF0 command) is executed, BOOTROM automatically converts ad-
dresses. Therefore, as the address of flash memory, specify an address equivalent to that specified in MCU mode (if
FLSCR1<BAREA>="0"), namely, 0x8000 through 0xFFFF.
goes into a standby state and awaits the arrival of matching data 1 (0x86 or 0x30).
Figure 22-3 shows memory maps in serial PROM and MCU modes.
In serial PROM mode, the BOOTROM (mask ROM) is mapped to the 0x1000 through 0x17FF in the data area and
To write data to or erase data from flash memory by using the RAM loader command (hereafter called the 0x60
When the command to write data to flash memory (hereafter called the 0x30 command) or the command to erase
In serial PROM mode, the commands shown in Table 22-5 are used. After a reset is released, the TMP89FM43L
Memory Mapping
Operation Commands
0xFFFF
0x003F
0x0000
0x0040
0x8000
Data area
FLASH
RAM
SFR
If FLSCR1<BAREA>=”0”
(MCU mode)
0xFFFF
0x0000
0x8000
Figure 22-3 Memory Mapping
Code area
FLASH
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0xFFFF
0xFFFF
0x17FF
0x17FF
0x0000
0x003F
0x0040
0x1000
0x8000
0x0000
0x003F
0x0040
0x1000
0x8000
(2048 bytes
Data area
(2048 bytes
Data area
BOOTROM
BOOTROM
FLASH
FLASH
RAM
RAM
SFR
SFR
If FLSCR1<BAREA>=”1”
If serial PROM mode
(MCU mode)
0xFFFF
0xFFFF
0x17FF
0x1FFF
0x0000
0x1000
0x8000
0x0000
0x1000
0x8000
Code area
Code area
(4096 bytes
(2048 bytes
BOOTROM
BOOTROM
FLASH
FLASH
TMP89FM43L