Microchip MCU PIC16F870 Heximal Code Restoration
The content from original PIC16F870 can be re-attained through Microchip MCU PIC16F870 Heximal Code Restoration procedures:
Microcontroller Core Features:
· High performance RISC CPU
· Only 35 single word instructions to learn
· All single cycle instructions except for program branches which are two-cycle
· Operating speed: DC – 20 MHz clock input DC – 200 ns instruction cycle
· 2K x 14 words of FLASH Program Memory
128 x 8 bytes of Data Memory (RAM) 64 x 8 bytes of EEPROM Data Memory
· Pinout compatible to the PIC16CXXX 28 and 40-pin devices
· Interrupt capability (up to 11 sources)
· Eight level deep hardware stack
· Direct, Indirect and Relative Addressing modes
· Power-on Reset (POR)
· Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
· Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
· Programmable code protection
· Power saving SLEEP mode
· Selectable oscillator options
· Low power, high speed CMOS FLASH/EEPROM technology
· Fully static design
· In-Circuit Serial Programmingä (ICSPä) via two pins
· Single 5V In-Circuit Serial Programming capability
· In-Circuit Debugging via two pins
· Processor read/write access to program memory
· Wide operating voltage range: 2.0V to 5.5V
· High Sink/Source Current: 25 mA
· Commercial and Industrial temperature ranges
· Low power consumption:
– < 1.6 mA typical @ 5V, 4 MHz
– 20 mA typical @ 3V, 32 kHz
– < 1 mA typical standby current
Microchip MCU PIC16F870 Heximal Code Restoration
Peripheral Features:
· Timer0: 8-bit timer/counter with 8-bit prescaler
· Timer1: 16-bit timer/counter with prescaler, can be incremented during SLEEP via external crystal/clock
· Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
· One Capture, Compare, PWM module
– Capture is 16-bit, max. resolution is 12.5 ns
– Compare is 16-bit, max. resolution is 200 ns
– PWM max. resolution is 10-bit
· 10-bit multi-channel Analog-to-Digital converter
· Universal Synchronous Asynchronous Receiver
Transmitter (USART/SCI) with 9-bit address detection
· Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls (40/44-pin only)
· Brown-out detection circuitry for Brown-out Reset (BOR)