P87C554 code extraction

The P87C554 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. Beijing Sichip offers the P87C554 mcu reverse service. If you have such needs, welcome to touch me for more details. Email: sichip209@gmail.com  Skype: techip.mcu.02

Features of P87C554:
80C51 central processing unit
16k x 8 EPROM expandable externally to 64k bytes
An additional 16-bit timer/counter coupled to four capture registers and three compare registers
Two standard 16-bit timer/counters
512 x 8 RAM, expandable externally to 64k bytes
Capable of producing eight synchronized, timed outputs
A 10-bit ADC with eight multiplexed analog inputs
Fast 8-bit ADC option
Two 8-bit resolution, pulse width modulation outputs
Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs
I²C-bus serial I/O port with byte oriented master and slave functions
On-chip watchdog timer
Extended temperature ranges
Full static operation - 0 to 16 MHz
Operating voltage range: 2.7 V to 5.5 V (0 to 16 MHz) and 4.5 V to 5.5 V (16 to 33 MHz)
Three security bits
Encryption array - 64 bytes
4 level priority interrupt
15 interrupt sources