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Oki Electric Industry Electronic Components Datasheet

M80C40 Datasheet

MSM80C40

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E2E1022-27-Y4
¡ Semiconductor¡ Semiconductor
MSM80C48/49T/h5i0s ,vMerSsiMon8:0CJa3n5. /13999/840
Previous version: Nov. 1996
MSM80C48/49/50
MSM80C35/39/40
CMOS 8-Bit Microcontroller
GENERAL DESCRIPTION
The OKI MSM80C48/MSM80C49/MSM80C50 are 8-bit, low-power, high-performance micro-
controllers implemented in silicon-gate complementary metal-oxide semiconductor technology.
Integrated within these chips are 8K/16K/32K bits of mask program ROM, 512/1024/2048 bits
of data RAM, 27 I/O lines, built-in 8 bit timer/counter, and oscillator. Program memory and data
paths are byte wide. Eleven new instructions have been added to the NMOS version's instruction
set, thereby optimizing power down, port data transfer, decrement and port float functions.
Available in 40-pin plastic DIP (RS) or 44-pin plastic flat packages QFP (GSK).
FEATURES
• Lower power consumption enabled by CMOS silicon gate process
• Completely static operation
• Improved power-down feature
• Instruction cycle
• 111 instructions
: 1.36 ms (11 MHz) VCC=4.5 to 6.0 V (MSM80C48/49)
2.5 ms (6 MHz) VCC=3.5 to 6.0 V (MSM80C50)
• All instructions are usable even during execution of external ROM instructions.
• Operation facility
Addition, logical operations, and decimal adjust
• Program memory (ROM)
: 1K words ¥ 8 bits (MSM80C48)
: 2K words ¥ 8 bits (MSM80C49)
: 4K words ¥ 8 bits (MSM80C50)
• Data memory (RAM)
: 64 words ¥ 8 bits (MSM80C48)
: 128 words ¥ 8 bits (MSM80C49)
: 256 words ¥ 8 bits (MSM80C50)
• Two sets of working registers
• External and timer interrupts
• Two test inputs
• Built-in 8-bit timer counter
• Extendable external memory and I/O ports
• I/O port
Input-output port
Data bus input-output port
• Single-step execution function
: 2 ports ¥ 8 bits
: 1 port ¥ 8 bits
• Wide range of operating voltage, from + 2.5 V to + 6 V of VCC
• High noise margin action
• Compatible with Intel's 8048, 8049 and 8050
• Package
40-pin plastic DIP (DIP40-P-600-2.54)
: (MSM80C48-¥¥¥RS)
(MSM80C49-¥¥¥RS)
(MSM80C50-¥¥¥RS)
(MSM80C35RS)
44-pin plastic QFP(QFP44-P-910-0.80-2K) :
(MSM80C39RS)
(MSM80C40RS)
(MSM80C48-¥¥¥GS-2K)
(MSM80C49-¥¥¥GS-2K)
(MSM80C50-¥¥¥GS-2K)
(MSM80C35GS-2K)
(MSM80C39GS-2K)
(MSM80C40GS-2K)
¥¥¥ indicates the code number.
1/20


Oki Electric Industry Electronic Components Datasheet

M80C40 Datasheet

MSM80C40

No Preview Available !

¡ Semiconductor
BLOCK DIAGRAM
MSM80C48/49/50, MSM80C35/39/40
DECODER
2/20


Part Number M80C40
Description MSM80C40
Maker OKI electronic componets
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M80C40 Datasheet PDF






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