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OKI - MSM6404A

Numéro de référence M6404A
Description MSM6404A
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M6404A fiche technique
E2E0013-38-93
¡¡SemicondSucetormiconductor
MSM6404A/6404VS
ThisMveSrMsio6n4:04SAep/6. 4109948VS
Previous version: Mar. 1996
High speed and High performance 4-Bit Microcontroller
GENERAL DESCRIPTION
The MSM6404A microcontroller is a low-power device implemented in complementary metal-
oxide semiconductor technology. The MSM6404A is optimized for high-speed processing and
complicated-control applications.
The MSM6404VS is a CMOS 4-bit microcontroller that employs an external EPROM using a
piggy-back package in place of the program memory (ROM) internal to the MSM6404A.
The MSM6404VS can be used for program development verification because the programs can
be modified by programming an external EPROM 2732 equivalent or 2764A equivalent.
FEATURES
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• Mask ROM (MSM6404A)
: 4000 words ¥ 8 bits
External ROM (MSM6404VS)
: 8196 words ¥ 8 bits
• RAM (including the stack area)
: 256 words ¥ 4 bits
• I/O port
Input-output port
: 8 ports ¥ 4 bits
Input port
: 1 port ¥ 4 bits
4 bits are for input ports having a latch; the other 32 bits are input/output ports that allow
bit manipulation
• Three built-in counters
: 12-bit time-base counter
12-bit programmable timer
8-bit high-speed programmable timer/event
counter
• Built-in 8-bit serial I/O register (with 3-bit counter)
• Five interrupts with five priority levels (4 internal, 1 external)
• 32 stacks (in RAM)
• Power-down features
• Minimum instruction execution time
: 952 ns @ 4.2 MHz clock
• Instruction systems suitable for control
• Fully static operation
• Low power consumption
• Single 5 V supply
• Package options:
MSM6404A
42-pin plastic DIP (DIP42-P-600-2.54)
: (Product name : MSM6404A-¥¥¥RS)
44-pin plastic QFP (QFP44-P-910-0.80-K) : (Product name : MSM6404A-¥¥¥GS-K)
44-pin plastic QFP (QFP44-P-910-0.80-2K) : (Product name : MSM6404A-¥¥¥GS-2K)
MSM6404VS
42-pin ceramic piggyback (ADIP42-C-600-2.54) : (Product name : MSM6404VS)
¥¥¥ indicates a code number.
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