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Intel N80C51BHP-2 information

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Type:MCU Manufacturer:Signetics
family:8051 microprocessors:Intel P8051AH
Type Microcontroller
Manufacturing process CHMOSIII technology
Data bus width 8 bit
Package 44-pin plastic LCC
Speed (MHz) 0.5 - 12
On-chip RAM (bytes) 128
On-chip ROM 4 KB masked ROM
On-chip peripherals
  • Four 8-bit I/O ports (32 I/O lines)
  • Full-duplex serial port
  • Two 16-bit timers/counters
  • Oscillator and clock circuits
Low power features
  • Idle mode
  • Power down mode
Other features On-circuit emulator (ONCE) mode
Physical memory 68 KB (4 KB code and 64 KB data)
V core (V) 5 ± 20%
Min/Max operating temperature (°C) 0 - 70
Min/Typical/Max power dissipation (W) 0.025 (Idle mode) / 0.055 / 0.12

Notes:
  • Earlier versions included ROM protection features: program verification is disabled, external memory accesses are limited to 4 KB
  • Later versions are 80C51BH microcontrollers with memory lock bit 1 set.


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Intel QP80C51BH Intel QP80C51BH-1
Intel QP80C51BH-2 Intel TD80C51BH
Intel TD80C51BH-1 Intel TD80C51BH-2

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