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   PIC16C5X Datasheets (for Obsolete Devices) (4/1/2003) 
 
 
High-Performance RISC CPU: 
• Only 33 single word instructions to learn 
• All instructions are single cycle except for pro- 
gram branches which are two-cycle 
• Operating speed: DC - 40  MHz clock input 
DC - 100 ns instruction cycle 
12-bit wide instructions 
• 8-bit wide data path 
• Seven or eight special function hardware registers 
• Two-level deep hardware stack 
• Direct, indirect and relative addressing modes for  
data and instructions 
Peripheral Features: 
• 8-bit real time clock/counter (TMR0) with 8-bit  
programmable prescaler 
• Power-on Reset (POR) 
• Device Reset Timer (DRT) 
• Watchdog Timer (WDT) with its own on-chip 
RC oscillator for reliable operation 
• Programmable Code Protection 
• Power saving SLEEP mode 
• Selectable oscillator options: 
- RC: Low cost RC oscillator 
- XT: Standard crystal/resonator 
- HS: High speed crystal/resonator 
- LP: Power saving, low frequency crystal 
CMOS Technology: 
• Low power, high speed CMOS EPROM/ROM tech- 
nology 
• Fully static design 
• Wide operating voltage and temperature range: 
- EPROM Commercial/Industrial 2.0V to 6.25V 
- ROM Commercial/Industrial 2.0V to 6.25V 
- EPROM Extended 2.5V to 6.0V 
- ROM Extended 2.5V to 6.0V 
• Low power consumption 
- < 2 mA typical @ 5V, 4 MHz 
-15 µA typical @ 3V, 32 kHz 
- < 0.6 µA typical standby current 
(with WDT disabled) @ 3V, 0°C to 70°C 
 
 
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