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Intel D8051AHP information

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Type:MCU Manufacturer:Signetics
family:8051 microprocessors:Intel P8051AH
Type Microcontroller
Manufacturing process HMOS II
Data bus width 8 bit
Package 40-pin ceramic DIP
Speed (MHz) 3.5 - 12
On-chip RAM (bytes) 128
On-chip ROM 4 KB masked ROM
On-chip peripherals
  • Four 8-bit ports (32 I/O lines)
  • Full-duplex serial port
  • Two 16-bit timers/counters
  • Clock oscillator
Physical memory 68 KB (4 KB code and 64 KB data)
V core (V) 5 ± 10%
Min/Max operating temperature (°C) 0 - 70
Max power dissipation (W) 0.69 (12 MHz)

Notes:
  • Includes ROM protection features: program verification is disabled, external memory accesses are limited to 4 KB.


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