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PDF PIC16CR83 Data sheet ( Hoja de datos )
| Número de pieza | PIC16CR83 | |
| Descripción | (PIC16F8x) 18-pin Flash/EEPROM 8-Bit Microcontrollers | |
| Fabricantes | Microchip Technology | |
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PIC16F8X
18-pin Flash/EEPROM 8-Bit Microcontrollers
Devices Included in this Data Sheet:
• PIC16F83
• PIC16F84
• PIC16CR83
• PIC16CR84
• Extended voltage range devices available
(PIC16LF8X, PIC16LCR8X)
High Performance RISC CPU Features:
• Only 35 single word instructions to learn
• All instructions single cycle except for program
branches which are two-cycle
• Operating speed: DC - 10 MHz clock input
DC - 400 ns instruction cycle
Device
Program
Memory
(words)
Data Data
Max.
RAM EEPROM Freq
(bytes) (bytes) (MHz)
PIC16F83
PIC16F84
PIC16CR83
PIC16CR84
512 Flash
1 K Flash
512 ROM
1 K ROM
36 64 10
68 64 10
36 64 10
68 64 10
• 14-bit wide instructions
• 8-bit wide data path
• 15 special function hardware registers
• Eight-level deep hardware stack
• Direct, indirect and relative addressing modes
• Four interrupt sources:
- External RB0/INT pin
- TMR0 timer overflow
- PORTB<7:4> interrupt on change
- Data EEPROM write complete
• 1000 erase/write cycles Flash program memory
• 10,000,000 erase/write cycles EEPROM data mem-
ory
• EEPROM Data Retention > 40 years
Peripheral Features:
• 13 I/O pins with individual direction control
• High current sink/source for direct LED drive
- 25 mA sink max. per pin
- 20 mA source max. per pin
• TMR0: 8-bit timer/counter with 8-bit
programmable prescaler
Pin Diagrams
PDIP, SOIC
RA2
RA3
RA4/T0CKI
MCLR
VSS
RB0/INT
RB1
RB2
RB3
•1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RB4
Special Microcontroller Features:
• In-Circuit Serial Programming (ICSP™) - via two
pins (ROM devices support only Data EEPROM
programming)
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Code-protection
• Power saving SLEEP mode
• Selectable oscillator options
CMOS Flash/EEPROM Technology:
• Low-power, high-speed technology
• Fully static design
• Wide operating voltage range:
- Commercial: 2.0V to 6.0V
- Industrial: 2.0V to 6.0V
• Low power consumption:
- < 2 mA typical @ 5V, 4 MHz
- 15 µA typical @ 2V, 32 kHz
- < 1 µA typical standby current @ 2V
© 1998 Microchip Technology Inc.
DS30430C-page 1
1 page  
2.0 PIC16F8X DEVICE VARIETIES
A variety of frequency ranges and packaging options
are available. Depending on application and production
requirements the proper device option can be selected
using the information in this section. When placing
orders, please use the “PIC16F8X Product
Identification System” at the back of this data sheet to
specify the correct part number.
There are four device “types” as indicated in the device
number.
1. F, as in PIC16F84. These devices have Flash
program memory and operate over the standard
voltage range.
2. LF, as in PIC16LF84. These devices have Flash
program memory and operate over an extended
voltage range.
3. CR, as in PIC16CR83. These devices have
ROM program memory and operate over the
standard voltage range.
4. LCR, as in PIC16LCR84. These devices have
ROM program memory and operate over an
extended voltage range.
When discussing memory maps and other architectural
features, the use of F and CR also implies the LF and
LCR versions.
2.1 Flash Devices
These devices are offered in the lower cost plastic
package, even though the device can be erased and
reprogrammed. This allows the same device to be used
for prototype development and pilot programs as well
as production.
A further advantage of the electrically-erasable Flash
version is that it can be erased and reprogrammed in-
circuit, or by device programmers, such as Microchip's
PICSTART® Plus or PRO MATE® II programmers.
2.2 Quick-Turnaround-Production (QTP)
Devices
Microchip offers a QTP Programming Service for
factory production orders. This service is made
available for users who choose not to program a
medium to high quantity of units and whose code
patterns have stabilized. The devices have all Flash
locations and configuration options already pro-
grammed by the factory. Certain code and prototype
verification procedures do apply before production
shipments are available.
For information on submitting a QTP code, please
contact your Microchip Regional Sales Office.
PIC16F8X
2.3 Serialized Quick-Turnaround-
Production (SQTPSM ) Devices
Microchip offers the unique programming service
where a few user-defined locations in each device are
programmed with different serial numbers. The serial
numbers may be random, pseudo-random
or sequential.
Serial programming allows each device to have a
unique number which can serve as an entry-code,
password or ID number.
For information on submitting a SQTP code, please
contact your Microchip Regional Sales Office.
2.4 ROM Devices
Some of Microchip’s devices have a corresponding
device where the program memory is a ROM. These
devices give a cost savings over Microchip’s traditional
user programmed devices (EPROM, EEPROM).
ROM devices (PIC16CR8X) do not allow serialization
information in the program memory space. The user
may program this information into the Data EEPROM.
For information on submitting a ROM code, please
contact your Microchip Regional Sales Office.
© 1998 Microchip Technology Inc.
DS30430C-page 5
5 Page 
4.0 MEMORY ORGANIZATION
There are two memory blocks in the PIC16F8X. These
are the program memory and the data memory. Each
block has its own bus, so that access to each block can
occur during the same oscillator cycle.
The data memory can further be broken down into the
general purpose RAM and the Special Function
Registers (SFRs). The operation of the SFRs that
control the “core” are described here. The SFRs used
to control the peripheral modules are described in the
section discussing each individual peripheral module.
The data memory area also contains the data
EEPROM memory. This memory is not directly mapped
into the data memory, but is indirectly mapped. That is,
an indirect address pointer specifies the address of the
data EEPROM memory to read/write. The 64 bytes of
data EEPROM memory have the address range
0h-3Fh. More details on the EEPROM memory can be
found in Section 7.0.
4.1 Program Memory Organization
The PIC16FXX has a 13-bit program counter capable
of addressing an 8K x 14 program memory space. For
the PIC16F83 and PIC16CR83, the first 512 x 14
(0000h-01FFh) are physically implemented
(Figure 4-1). For the PIC16F84 and PIC16CR84, the
first 1K x 14 (0000h-03FFh) are physically imple-
mented (Figure 4-2). Accessing a location above the
physically implemented address will cause a wrap-
around. For example, for the PIC16F84 locations 20h,
420h, 820h, C20h, 1020h, 1420h, 1820h, and 1C20h
will be the same instruction.
The reset vector is at 0000h and the interrupt vector is
at 0004h.
PIC16F8X
FIGURE 4-1: PROGRAM MEMORY MAP
AND STACK - PIC16F83/CR83
PC<12:0>
CALL, RETURN
13
RETFIE, RETLW
Stack Level 1
•
••
Stack Level 8
Reset Vector
0000h
Peripheral Interrupt Vector 0004h
1FFh
1FFFh
FIGURE 4-2: PROGRAM MEMORY MAP
AND STACK - PIC16F84/CR84
PC<12:0>
CALL, RETURN
13
RETFIE, RETLW
Stack Level 1
•••
Stack Level 8
Reset Vector
0000h
Peripheral Interrupt Vector 0004h
© 1998 Microchip Technology Inc.
3FFh
1FFFh
DS30430C-page 11
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet PIC16CR83.PDF ] | |
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