Intel N80C51BHP-1 information

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Type:MCU	Manufacturer:Intel
family:8051	microprocessors:Intel P8051AH

Type	Microcontroller
Frequency (MHz)	3.5 - 16
Package	44-pin plastic LCC

Architecture / Microarchitecture
Manufacturing process	CHMOSIII technology
Data width	8 bit
Physical memory	68 KB (4 KB code and 64 KB data)
Features	On-circuit emulator (ONCE) mode
Low power features	Idle mode Power down mode
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
On-chip RAM (bytes)	128
On-chip ROM	4 KB masked ROM

Electrical/Thermal parameters
V core (V)	5 ± 20%
Min/Max operating temperature (°C)	0 - 70
Min/Max power dissipation (W)	0.032 (Idle mode) / 0.16

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.

Intel N80C51BHP-2	Intel P80C51BHP
Intel P80C51BHP-1	Intel P80C51BHP-2
Intel QD80C51BH	Intel QN80C51BH
Intel QN80C51BH-1	Intel QP80C51BH
Intel QP80C51BH-1	Intel QP80C51BH-2
Intel TD80C51BH	Intel TD80C51BH-1