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PDF PIC16LF720 Data sheet ( Hoja de datos )

Número de pieza PIC16LF720
Descripción 20-Pin Flash Microcontrollers
Fabricantes Microchip　
Logotipo Microchip Logotipo



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PIC16(L)F720/721
20-Pin Flash Microcontrollers
Devices Included In This Data Sheet:
• PIC16F720
• PIC16F721
• PIC16LF720
• PIC16LF721
High-Performance RISC CPU:
• Only 35 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 16 MHz oscillator/clock input
- DC – 250 ns instruction cycle
• Up to 4K x 14 Words of Flash Program Memory
• Up to 256 bytes of Data Memory (RAM)
• Interrupt Capability
• 8-Level Deep Hardware Stack
• Direct, Indirect and Relative Addressing modes
• Processor Self-Write/Read access to Program
Memory
Memory
• High-Endurance Flash Data Memory
- 128B of nonvolatile data storage
- 100K erase/write cycles
Special Microcontroller Features:
• Precision Internal Oscillator:
- 16 MHz or 500 kHz operation
- Factory calibrated to ±1%, typical
- Software tunable
- Software selectable ÷1, ÷2, ÷4 or ÷8 divider
• Power-Saving Sleep mode
• Industrial and Extended Temperature Range
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• Brown-out Reset (BOR)
• Multiplexed Master Clear with Pull-up/Input Pin
• Programmable Code Protection
• In-Circuit Serial ProgrammingTM (ICSPTM) via Two
Pins
• Wide Operating Voltage Range:
- 1.8V to 5.5V (PIC16F720/721)
- 1.8V to 3.6V (PIC16LF720/721)
Extreme Low-Power (XLP) Features:
• Sleep Current:
- 40 nA @ 1.8V, typical
• Low-Power Watchdog Timer Current:
- 500 nA @ 1.8V, typical
Peripheral Features:
• Up to 17 I/O Pins and One Input-only Pin:
- High-current source/sink for direct LED drive
- Interrupt-on-change pins
- Individually programmable weak pull-ups
• A/D Converter:
- 8-bit resolution
- 12 channels
- Selectable Voltage reference
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1
- 16-bit timer/counter with prescaler
- External Gate Input mode with toggle and
Single Shot modes
- Interrupt-on-gate completion
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
• Capture, Compare, PWM module (CCP)
- 16-bit Capture, max resolution 12.5 ns
- 16-bit Compare, max resolution 250 ns
- 10-bit PWM, max frequency 15 kHz
• Addressable Universal Synchronous
Asynchronous Receiver Transmitter (AUSART)
• Synchronous Serial Port (SSP)
- SPI (Master/Slave)
- I2C (Slave) with Address Mask
2010-2015 Microchip Technology Inc.
DS40001430F-page 1

1 page




PIC16LF720 pdf
PIC16(L)F720/721
Table of Contents
Device Overview ................................................................................................................................................................................... 7
Memory Organization .......................................................................................................................................................................... 11
Resets ................................................................................................................................................................................................. 24
Interrupts ............................................................................................................................................................................................. 34
Low Dropout (LDO) Voltage Regulator ............................................................................................................................................... 41
I/O Ports .............................................................................................................................................................................................. 42
Oscillator Module ................................................................................................................................................................................ 62
Device Configuration ........................................................................................................................................................................... 67
Analog-to-Digital Converter (ADC) Module ......................................................................................................................................... 71
Fixed Voltage Reference .................................................................................................................................................................... 80
Temperature Indicator Module ............................................................................................................................................................ 82
Timer0 Module .................................................................................................................................................................................... 83
Timer1 Module with Gate Control ....................................................................................................................................................... 86
Timer2 Module .................................................................................................................................................................................... 98
Capture/Compare/PWM (CCP) Module ............................................................................................................................................ 100
Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART) .................................................................... 109
SSP Module Overview ...................................................................................................................................................................... 129
Flash Program Memory Self-Read/Self-Write Control ...................................................................................................................... 151
Power-Down Mode (Sleep) ............................................................................................................................................................... 158
In-Circuit Serial Programming™ (ICSP™) ........................................................................................................................................ 160
Instruction Set Summary ................................................................................................................................................................... 161
Development Support ....................................................................................................................................................................... 170
Electrical Specifications .................................................................................................................................................................... 174
DC and AC Characteristics Graphs and Charts ................................................................................................................................ 200
Packaging Information ...................................................................................................................................................................... 220
Appendix A: Data Sheet Revision History ......................................................................................................................................... 230
Appendix B: Migrating From Other PIC® Devices ............................................................................................................................ 230
The Microchip Website ..................................................................................................................................................................... 231
Customer Change Notification Service ............................................................................................................................................. 231
Customer Support ............................................................................................................................................................................. 231
Product Identification System ........................................................................................................................................................... 232
2010-2015 Microchip Technology Inc.
DS40001430F-page 5

5 Page





PIC16LF720 arduino
PIC16(L)F720/721
2.0 MEMORY ORGANIZATION
2.1 Program Memory Organization
The PIC16(L)F720/721 has a 13-bit program counter
capable of addressing a 8K x 14 program memory
space. Table 2-1 shows the memory sizes
implemented. Accessing a location above these
boundaries will cause a wrap-around within the
implemented memory space. The Reset vector is at
0000h and the interrupt vector is at 0004h.
TABLE 2-1: DEVICE SIZE AND ADDRESSES
Device
Program Memory Size
(Words)
Last Program Memory
Address
PIC16F720
PIC16LF720
2048
07FFh
PIC16F721
PIC16LF721
4096
0FFFh
Note 1: High-Endurance Flash applies to the low byte of each address in the
range.
High-Endurance Flash
Memory Address Range (1)
0780h-07FFh
0F80h-0FFFh
FIGURE 2-1:
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC16(L)F720
FIGURE 2-2:
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC16(L)F721
PC<12:0>
CALL, RETURN
RETFIE, RETLW
13
Stack Level 1
Stack Level 2
PC<12:0>
CALL, RETURN
RETFIE, RETLW
13
Stack Level 1
Stack Level 2
Stack Level 8
Reset Vector
0000h
Stack Level 8
Reset Vector
0000h
On-chip
Program
Memory
Interrupt Vector
Page 0
Wraps to Page 0
Wraps to Page 0
Wraps to Page 0
0004H
0005h
07FFh
0800h
0FFFh
1000h
17FFh
1800h
1FFFh
On-chip
Program
Memory
Interrupt Vector
Page 0
Page 1
Wraps to Page 0
Wraps to Page 1
0004H
0005h
07FFh
0800h
0FFFh
1000h
17FFh
1800h
1FFFh
2010-2015 Microchip Technology Inc.
DS40001430F-page 11

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