M37902FGCHP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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产品描述 (功能)

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M37902FGCHP

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

M37902FCCHP, M37902FGCHP, M37902FJCHP

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

FUNCTIONS (Flash memory mode)

Power supply voltage

Parameter

Functions

5 V±0.5 V (in the flash memory parallel I/O mode, 3.3 V±0.3 V)

Programming/Erase voltage

5 V±0.5 V (in the flash memory parallel I/O mode, 3.3 V±0.3 V)

Flash memory mode

3 modes: parallel I/O, serial I/O, and CPU reprogramming modes

Block division for erasure

User ROM area

(Note 1)

Boot ROM area

1 block (16 Kbytes ✕ 1) (Note 2)

Programming method

Programmed per page (in a unit of 256 Kbytes)

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

Flash memory CPU reprogramming mode User ROM area

Programming/Erase control

Programming/Erase control by software commands

Data protection method

Protected per block, by using a lock bit.

Number of commands

8 commands

Maximum number of reprograms

100

Notes 1:

User ROM area M37902FCCHP

M37902FGCHP

M37902FJCHP

5 blocks (8 Kbytes ✕ 3, 32 Kbytes ✕ 1, 64 Kbytes ✕ 1), total 120 Kbytes

7 blocks (8 Kbytes ✕ 3, 32 Kbytes ✕ 1, 64 Kbytes ✕ 3), total 248 Kbytes

11 blocks (2 Kbytes ✕ 1, 8 Kbytes ✕ 2, 32 Kbytes ✕ 1, 64 Kbytes ✕ 7), total 498 Kbytes

2: On shipment, our reprogramming control firmware for the flash memory serial I/O mode has been stored into the boot ROM area.

Note that the boot ROM area can be erased/programmed only in the flash memory parallel I/O mode.

5

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