M37905F8CFP Datasheet, PDF (6/34 Pages) Mitsubishi Electric Semiconductor – 16-BIT CMOS MICROCOMPUTER

PRELIMINARY _{NSootimcee: pTahriasmisentroict} ^{alimfinitsalasrpeescuifbicjeactitotno. change.}
MITSUBISHI MICROCOMPUTERS
M37905F8CFP, M37905F8CSP
16-BIT CMOS MICROCOMPUTER
FUNCTIONS (Flash memory mode)
Power supply voltage
Parameter
5 V±0.5 V
Functions
Programming/Erase voltage
5 V±0.5 V
Flash memory mode
3 modes: parallel I/O, serial I/O, and CPU reprogramming modes
Block division for erasure
Programming method
User ROM area
Boot ROM area
4 blocks (8 Kbytes ✕ 2, 16 Kbytes ✕ 1, 28 Kbytes ✕ 1); total of
60 Kbytes
1 block (8 Kbytes ✕ 1) (Note)
Programmed per word
Flash memory parallel I/O mode
User ROM area + Boot ROM area
Flash memory serial I/O mode
User ROM area
Flash memory CPU reprogramming mode User ROM area
Erase method
Total erase/Block erase
Flash memory parallel I/O mode
User ROM area + Boot ROM area
Flash memory serial I/O mode
User ROM area
Programming/Erase control
Flash memory CPU reprogramming mode User ROM area
Programming/Erase control by software commands
Number of commands
6 commands
Maximum number of reprograms
100
Note: On shipment, our reprogramming control firmware for the flash memory serial I/O mode has been stored into the boot ROM area.
6