PIC16C505
14-Pin, 8-Bit CMOS Microcontroller
Device included in this Data Sheet:
PIC16C505
Special Microcontroller Features:
• In-Circuit Serial Programming (ICSP™)
• Power-on Reset (POR)
High-Performance RISC CPU:
• Device Reset Timer (DRT)
• Only 33 instructions to learn
• Operating speed:
- DC - 20 MHz clock input
- DC - 200 ns instruction cycle
• Watchdog Timer (WDT) with dedicated on-chip
RC oscillator for reliable operation
• Programmable Code Protection
• Internal weak pull-ups on I/O pins
• Wake-up from Sleep on pin change
• Power-saving Sleep mode
Memory
Device
Program
Data
• Selectable oscillator options:
PIC16C505
1024 x 12
72 x 8
- INTRC: Precision internal 4 MHz oscillator
- EXTRC: External low-cost RC oscillator
• Direct, indirect and relative addressing modes for
data and instructions
- XT:
- HS:
- LP:
Standard crystal/resonator
High speed crystal/resonator
• 12 bit wide instructions
• 8 bit wide data path
Power saving, low frequency
crystal
• 2-level deep hardware stack
• Eight special function hardware registers
CMOS Technology:
• Direct, indirect and relative addressing modes for
data and instructions
• Low-power, high-speed CMOS EPROM
technology
• Fully static design
• All single cycle instructions (200 ns) except for
program branches which are two-cycle
• Wide operating voltage range (2.5V to 5.5V)
Peripheral Features:
• Wide temperature ranges
- Commercial: 0˚C to +70˚C
- Industrial: -40˚C to +85˚C
• 11 I/O pins with individual direction control
• 1 input pin
• High current sink/source for direct LED drive
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
- Extended: -40˚C to +125˚C
- < 1.0 µA typical standby current @ 5V
• Low power consumption
- < 2.0 mA @ 5V, 4 MHz
- 15 µA typical @ 3.0V, 32 kHz for TMR0 run-
ning in SLEEP mode
FIGURE 1:
PIN DIAGRAM:
PDIP, SOIC, Ceramic Side Brazed
- < 1.0 µA typical standby current @ 5V
VDD
1
2
3
4
5
14
13
12
11
10
VSS
RB5/OSC1/CLKIN
RB0
RB1
RB2
RC0
RC1
RC2
RB4/OSC2/CLKOUT
RB3/MCLR/VPP
RC5/T0CKI
RC4
RC3
6
7
9
8
1998 Microchip Technology Inc.
Preliminary
DS40192A-page 1