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PDF M80C40 Data sheet ( Hoja de datos )
| Número de pieza | M80C40 | |
| Descripción | MSM80C40 | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M80C40 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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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
1 page  
¡ Semiconductor
MSM80C48/49/50, MSM80C35/39/40
PIN DESCRIPTIONS (Continued)
Symbol
XTAL1
(Crystal 1)
Type
I
Description
One side of the internal crystal oscillator. An external clock can also be input.
XTAL2
(Crystal 2)
O Other side of the internal crystal oscillator.
VCC — Power supply pin
VDD — Standby control input. Normally, "1" level. When set to "0" level, oscillation is
stopped and prosessor goes into standby mode.
VSS — GND
Note: A minimum of two machine cycles are required in RESET pulse duration under the
specified power supply and stable oscillator frequency.
5/20
5 Page 
¡ Semiconductor
Measuring circuits
1
MSM80C48/49/50, MSM80C35/39/40
2
VIH (*3)
VIL
VCC
GND
(*2)
V A IO
(*1)
A
VCC
GND
3
VIH (*3)
VIL
VCC
GND
4
A
VCC
VIH (*3)
A
VIL
GND
5
VIH (*3)
VIL
VCC
GND
(*2)
CL
I
O
O
VIH
VOH
VOL
tXXX
VIL
VOL
VOH
tXXX
*1 This is repeated for each specified input pin.
*2 This is repeated for each specified output pin.
*3 Input logic for setting the specified state
11/20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet M80C40.PDF ] | |
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