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Intel D8742 Microcontroller Eprom
Description:
- The D8742 belongs to Intel's MCS-48 family of microcontrollers.
- It has several properties that make it suited for a wide range of control applications.
- The built-in EPROM allows program memory to be stored directly on the chip, which increases flexibility and programmability.
Electrical Characteristics:
- Supply Voltage (Vcc): 5V ±10%.
- Input High Voltage (V\_IH): 2.0V minimum.
- Input Low Voltage (V\_IL): 0.7V maximum.
- Output High Voltage (V\_OH): 2.4V minimum.
- Output Low Voltage (V\_OL): 0.4V maximum.
- Operating Current (I\_CC):
- Minimum: 50mA.
- Maximum: 70mA.
- Power Consumption:
- Active: 350mW.
- Standby: 5mW.
- Memory:
- EPROM Size: 2KB (2048 x 8 bits).
- RAM Size: 128 bytes.
- CPU:
- Clock Frequency: Up to 12 MHz.
- Instruction Set: 92 instructions including arithmetic, logic, and control operations.
- Addressing Modes: Various modes including direct, indirect, and relative.
- I/O:
- I/O Ports: 18 programmable I/O lines.
- Timer/Counter:
- Timer: One 8-bit timer/counter.
- Interrupts:
- Interrupt Sources: Multiple sources, supporting external and internal interrupts.
- Environmental Characteristics:
- Operating Temperature Range: 0°C to +70°C.
- Storage Temperature Range: -65°C to +150°C.
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