PIC16C717/770/771
18/20-Pin, 8-Bit CMOS Microcontrollers with 10/12-Bit A/D
Microcontroller Core Features:
Pin Diagram
• High-performance RISC CPU
20-Pin PDIP, SOIC, SSOP
• Only 35 single word instructions to learn
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
RB3/CCP1/P1A
RB2/SCK/SCL
RA0/AN0
• All single cycle instructions except for program
branches which are two cycle
• Operating speed: DC - 20 MHz clock input
DC - 200 ns instruction cycle
RA1/AN1/LVDIN
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
VDD
RA4/T0CKI
RA5/MCLR/VPP
VSS
AVSS
AVDD
Memory
A/D
A/D
RB7/T1OSI/P1D
RA2/AN2/VREF-/VRL
Device
Pins
Program Data
Resolution Channels
RB6/T1OSO/T1CKI/P1C
RB5/SDO/P1B
RA3/AN3/VREF+/VRH
RB0/AN4/INT
x14
2K
2K
4K
x8
12
11
9
PIC16C717
PIC16C770
PIC16C771
256 18, 20
10 bits
12 bits
12 bits
6
6
6
10
RB4/SDI/SDA
RB1/AN5/SS
256
256
20
20
Peripheral Features:
• Interrupt capability (up to 10 internal/external
interrupt sources)
• 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
• Eight level deep hardware stack
• Direct, indirect and relative addressing modes
• Power-on Reset (POR)
• Timer2: 8-bit timer/counter with 8-bit period
register, prescaler and postscaler
• Power-up Timer (PWRT) and
Oscillator Start-up Timer (OST)
• Enhanced Capture, Compare, PWM (ECCP)
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
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Selectable oscillator options:
- INTRC - Internal RC, dual speed (4MHz and
37KHz) dynamically switchable for power sav-
ings
- Enhanced PWM:
- Single, Half-Bridge and Full-Bridge output
modes
- ER - External resistor, dual speed (user
selectable frequency and 37KHz) dynami-
cally switchable for power savings
- Digitally programmable deadband delay
• Analog-to-Digital converter:
- PIC16C770/771 12-bit resolution
- PIC16C717 10-bit resolution
- EC - External clock
- HS - High speed crystal/resonator
- XT - Crystal/resonator
- LP - Low power crystal
• On-chip absolute bandgap voltage reference
generator
• Low-power, high-speed CMOS EPROM
technology
• Programmable Brown-out Reset (PBOR)
circuitry
• In-Circuit Serial Programming™ (ISCP)
• Programmable Low-Voltage Detection (PLVD)
circuitry
• Wide operating voltage range: 2.5V to 5.5V
• 15 I/O pins with individual control for:
- Direction (15 pins)
• Master Synchronous Serial Port (MSSP) with two
modes of operation:
- Digital/Analog input (6 pins)
- PORTB interrupt on change (8 pins)
- PORTB weak pull-up (8 pins)
- High voltage open drain (1 pin)
- 3-wire SPI™ (supports all 4 SPI modes)
- I2C™ compatible including master mode
support
• Program Memory Read (PMR) capability for look-
up table, character string storage and checksum
calculation purposes
• Commercial and Industrial temperature ranges
• Low-power consumption:
- < 2 mA @ 5V, 4 MHz
- 22.5 µA typical @ 3V, 32 kHz
- < 1 µA typical standby current
1999 Microchip Technology Inc.
Advanced Information
DS41120A-page 1