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PDF PIC16C661 Data sheet ( Hoja de datos )
| Número de pieza | PIC16C661 | |
| Descripción | 8-Bit EPROM Microcontrollers with Analog Comparators | |
| Fabricantes | Microchip Technology | |
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PIC16C64X & PIC16C66X
8-Bit EPROM Microcontrollers with Analog Comparators
Devices included in this data sheet:
• PIC16C641
• PIC16C642
• PIC16C661
• PIC16C662
High Performance RISC CPU:
• Only 35 instructions to learn
• All single-cycle instructions (200 ns), except for
program branches which are two-cycle
• Operating speed:
- DC - 20 MHz clock input
- DC - 200 ns instruction cycle
Device
Program
Data
Memory x14 Memory x8
PIC16C641
2K 128
PIC16C642
PIC16C661
PIC16C662
4K 176
2K 128
4K 176
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative addressing modes
Peripheral Features:
• Up to 33 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Analog comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference
(VREF) module
- Programmable input multiplexing from device
inputs and internal voltage reference
- Comparator outputs can be output signals
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
Special Microcontroller Features:
• Power-on Reset (POR)
• Power-up Timer (PWRT) and
Oscillator Start-up Timer (OST)
• Brown-out Reset
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options
• Serial in-circuit programming (via two pins)
Pin Diagrams
PDIP, SOIC, Windowed CERDIP
MCLR/VPP
RA0/AN0
RA1/AN1
RA2/AN2/VREF
RA3/AN3
RA4/T0CKI
RA5
VSS
OSC1/CLKIN
OSC2/CLKOUT
RC0
RC1
RC2
RC3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 RB7
27 RB6
26 RB5
25 RB4
24 RB3
23 RB2
22 RB1
21 RB0/INT
20 VDD
19 VSS
18 RC7
17 RC6
16 RC5
15 RC4
PDIP, Windowed CERDIP
MCLR/VPP
RA0/AN0
RA1/AN1
RA2/AN2/VREF
RA3/AN3
RA4/T0CKI
RA5
RE0/RD
RE1/WR
RE2/CS
VDD
VSS
OSC1/CLKIN
OSC2/CLKOUT
RC0
RC1
RC2
RC3
RD0/PSP0
RD1/PSP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 RB7
39 RB6
38 RB5
37 RB4
36 RB3
35 RB2
34 RB1
33 RB0/INT
32 VDD
31 VSS
30 RD7/PSP7
29 RD6/PSP6
28 RD5/PSP5
27 RD4/PSP4
26 RC7
25 RC6
24 RC5
23 RC4
22 RD3/PSP3
21 RD2/PSP2
• Four user programmable ID locations
• Program Memory Parity Error checking circuitry
with Parity Error Reset (PER)
• CMOS Technology:
• Low-power, high-speed CMOS EPROM technology
• Fully static design
• Wide operating voltage range: 3.0V to 6.0V
• Commercial, Industrial and Automotive
temperature ranges
• Low power consumption
- < 2.0 mA @ 5.0V, 4.0 MHz
- 15 µA typical @ 3.0V, 32 kHz
- < 1.0 µA typical standby current @ 3.0V
© 1996 Microchip Technology Inc.
Preliminary
This document was created with FrameMaker 4 0 4
DS30559A-page 1
1 page  
PIC16C64X & PIC16C66X
1.0 GENERAL DESCRIPTION
PIC16C64X & PIC16C66X devices are 28-pin and
40-pin EPROM-based members of the versatile
PIC16CXXX family of low-cost, high-performance,
CMOS, fully-static, 8-bit microcontrollers.
All PIC16/17 microcontrollers employ an advanced
RISC architecture. The PIC16CXXX family has
enhanced core features, eight-level deep stack, and
multiple internal and external interrupt sources. The
separate instruction and data buses of the Harvard
architecture allow a 14-bit wide instruction word with
the separate 8-bit wide data. The two-stage instruction
pipeline allows all instructions to execute in a sin-
gle-cycle, except for program branches (which require
two cycles). A total of 35 instructions (reduced instruc-
tion set) are available. Additionally, a large register set
gives some of the architectural innovations used to
achieve a very high performance.
PIC16CXXX microcontrollers typically achieve a 2:1
code compression and a 4:1 speed improvement over
other 8-bit microcontrollers in its class.
The PIC16C641 has 128 bytes of RAM and the
PIC16C642 has 176 bytes of RAM. Both devices have
22 I/O pins, and an 8-bit timer/counter with an 8-bit pro-
grammable prescaler. In addition, they have two analog
comparators with a programmable on-chip voltage ref-
erence module. Program Memory has internal parity
error detection circuitry with a Parity Error Reset. The
comparator module is ideally suited for applications
requiring a low-cost analog interface (e.g., battery
chargers, threshold detectors, white goods
controllers, etc.).
The PIC16C661 has 128 bytes of RAM and the
PIC16C662 has 176 bytes of RAM. Both devices have
33 I/O pins, and an 8-bit timer/counter with an 8-bit pro-
grammable prescaler. They also have an 8-bit Parallel
Slave Port. In addition, the devices have two analog
comparators with a programmable on-chip voltage ref-
erence module. Program Memory has internal parity
error detection circuitry with a Parity Error Reset. The
comparator module is ideally suited for applications
requiring a low-cost analog interface (e.g., battery
chargers, threshold detectors, white goods
controllers, etc.).
PIC16CXXX devices have special features to reduce
external components, thus reducing cost, enhancing
system reliability and reducing power consumption.
There are four oscillator options, of which the single pin
RC oscillator provides a low-cost solution, the LP
oscillator minimizes power consumption, XT is a
standard crystal, and the HS is for High Speed crystals.
The SLEEP (power-down) mode offers power saving.
The user can wake-up the chip from SLEEP through
several external and internal interrupts and resets.
A highly reliable Watchdog Timer (WDT) with its own
on-chip RC oscillator provides protection against soft-
ware lock-up.
A UV-erasable CERDIP-packaged version is ideal for
code development while the cost-effective One-Time
Programmable (OTP) version is suitable for production
in any volume.
The PIC16CXXX series fit perfectly in applications
ranging from battery chargers to low-power remote
sensors. The EPROM technology makes
customization of application programs (detection
levels, pulse generation, timers, etc.) extremely fast
and convenient. The small footprint packages make
this microcontroller series perfect for all applications
with space limitations. Low-cost, low-power,
high-performance, ease of use, and I/O flexibility make
the PIC16C64X & PIC16C66X very versatile.
1.1 Family and Upward Compatibility
Those users familiar with the PIC16C5X family of
microcontrollers will realize that this is an enhanced
version of the PIC16C5X architecture. Please refer to
Appendix A for a detailed list of enhancements. Code
written for PIC16C5X can be easily ported to the
PIC16C64X & PIC16C66X (Appendix B).
1.2 Development Support
PIC16C64X & PIC16C66X devices are supported by
the complete line of Microchip Development tools,
including:
• MPLAB Integrated Development Environment
including MPLAB-Simulator.
• MPASM Universal Assembler and MPLAB-C Uni-
versal C compiler.
• PRO MATE II and PICSTART Plus device pro-
grammers.
• PICMASTER In-circuit Emulator System
• fuzzyTECH-MP Fuzzy Logic Development Tools
• DriveWay Visual Programming Tool
Please refer to Section 11.0 for more details about
these and other Microchip development tools.
© 1996 Microchip Technology Inc.
Preliminary
This document was created with FrameMaker 4 0 4
DS30559A-page 5
5 Page 
PIC16C64X & PIC16C66X
FIGURE 3-2: PIC16C661/662 BLOCK DIAGRAM
PIC16C661 has 2K x 14 Program Memory and 128 x 8 RAM
PIC16C662 has 4K x 14 Program Memory and 176 x 8 RAM
EPROM
Program
Memory
Program
Bus
14
Instruction reg
13
Program Counter
8 Level Stack
(13-bit)
RAM Bank
Select
Direct Addr 7
Data Bus
8
RAM
File
Registers
9
Addr MUX
Indirect
8 Addr
FSR reg
STATUS reg
Instruction
Decode &
Control
OSC1/CLKIN
OSC2/CLKOUT
Timing
Generation
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
Parity Error
Reset
3 MUX
ALU
W reg
MCLR VDD, VSS
Parallel
Slave
Port
RE0/RD
RE1/WR
RE2/CS
PORTE
Voltage
Reference
Comparator
-
+
-
+
Timer0
PORTA
RA0/AN0
RA1/AN1
RA2/AN2/VREF
RA3/AN3
RA4/T0CKI
PORTB
PORTC
PORTD
RA5
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
© 1996 Microchip Technology Inc.
Preliminary
DS30559A-page 11
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet PIC16C661.PDF ] | |
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