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M37902FGCGP Datasheet(Fiches technique) 1 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M37902FGCGP
Description  SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Télécharger  143 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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M37902FCCHP, M37902FGCHP, M37902FJCHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
DESCRIPTION
These are single-chip microcomputers designed with high-perfor-
mance CMOS silicon gate technology, including the internal flash
memory. These microcomputers support the 7900 Series instruction
set, which are enhanced and expanded instruction set and are up-
per-compatible with the 7700/7751 Series instruction set.
The CPU of these microcomputers is a 16-bit parallel processor that
can also be switched to perform 8-bit parallel processing. Also, the
bus interface unit of these microcomputers enhances the memory
access efficiency to execute instructions fast. Therefore, these mi-
crocomputers are suitable for office, business, and industrial equip-
ment controller that require high-speed processing of large data.
For the internal flash memory, single-power-supply programming
and erasure, using a PROM programmer or the control by the cen-
tral processing unit (CPU), is supported. Also, each of these micro-
computers has the memory area dedicated for storing a certain
software which controls programming and erasure (reprogramming
control software). Therefore, on these microcomputers, the program
can easily be changed even after they are mounted on the board.
DISTINCTIVE FEATURES
<Microcomputer mode>
Number of basic machine instructions .................................... 203
Memory
[M37902FCCHP]
Flash memory (User ROM area) ................................. 120 Kbytes
RAM ............................................................................. 4096 bytes
[M37902FGCHP]
Flash memory (User ROM area) ................................. 248 Kbytes
RAM ............................................................................. 6144 bytes
[M37902FJCHP]
Flash memory (User ROM area) ................................. 498 Kbytes
RAM ........................................................................... 12288 bytes
[All of the above computers]
Flash memory (Boot ROM area) ................................... 16 Kbytes
Instruction execution time
The fastest instruction at 26 MHz frequency ........................ 38 ns
Single power supply .................................................... 5 V ± 0.5 V
Interrupts ........... 6 external sources, 16 internal sources, 7 levels
Multi-functional 16-bit timer ................................................... 5 + 3
Serial I/O (UART or Clock synchronous) ..................................... 2
10-bit A-D converter ............................................ 8-channel inputs
8-bit D-A converter ............................................ 3-channel outputs
Real-time output
.... 4 bits
× 2 channels, or 6 bits × 1 channel + 2 bits × 1 channel
12-bit watchdog timer
Programmable input/output (ports P0–P8, P10, P11) ............... 84
<Flash memory mode>
Power supply voltage .................................................. 5 V ± 0.5 V
Programming/Erase voltage ........................................ 5 V ± 0.5 V
Programming method ............ Programming in a unit of 256 bytes
Erase method ............................................Block erase or Total erase
(Data protection per block is enabled.)
Programming/Erase control by software command
Maximum number of reprograms ............................................ 100
APPLICATION
Control devices for personal computer peripheral equipment such as
CD-ROM drives, DVD-ROM drives, hard disk drives, high density
FDD, printers




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Datasheet Download



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