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Intel S80C51BH-1 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 QFP
Speed (MHz) 3.5 - 16
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 128 KB (64 KB code and 64 KB data)
V core (V) 5 ± 20%
Min/Max operating temperature (°C) 0 - 70
Min/Max power dissipation (W) 0.032 (Idle mode) / 0.16


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