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PDF PIC16LF1903 Data sheet ( Hoja de datos )
| Número de pieza | PIC16LF1903 | |
| Descripción | 8-Bit CMOS MCU | |
| Fabricantes | Microchip | |
| Logotipo |  |
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PIC16LF1902/3
28-Pin Flash-Based, 8-Bit CMOS MCUs with LCD Driver
and XLP Technology
High-Performance RISC CPU
• C Compiler Optimized Architecture
• Only 49 Instructions
• Operating Speed:
- DC – 20 MHz clock input @ 3.6V
- DC – 16 MHz clock input @ 1.8V
- DC – 200 ns instruction cycle
• Interrupt Capability with Automatic Context
Saving
• 16-Level Deep Hardware Stack with Optional
Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
Memory
• Up to 7 Kbytes Self-Write/Read Flash Program
Memory Addressing
• Up to 256 Bytes Data Memory Addressing
• High-Endurance Flash Data Memory (HEF)
- 128B of nonvolatile memory
- 100K erase/write cycles
Flexible Oscillator Structure
• 16 MHz Internal Oscillator:
- Accuracy to ± 3%, typical
- Software selectable frequency range from
16 MHz to 31.25 kHz
• 31 kHz Low-Power Internal Oscillator
• Three External Clock modes up to 20 MHz
• Two-Speed Oscillator Start-up
• Low-Power RTC Implementation via LPT1OSC
Special Microcontroller Features
• Operating Voltage Range:
- 1.8V-3.6V
• Self-Programmable under Software Control
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• Low-Power Brown-Out Reset (LPBOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Programmable Code Protection
• Power-Saving Sleep mode
eXtreme Low-Power (XLP) Features
(PIC16LF1902/3)
• Sleep Current
- 30 nA @ 1.8V, typical
• Watchdog Timer Current:
- 300 nA @ 1.8V, typical
• Secondary Oscillator: 500 nA @ 32 kHz,1.8V,
typical
Analog Features
• Analog-to-Digital Converter (ADC):
- 10-bit resolution, up to 11 channels
- Conversion available during Sleep
- Dedicated ADC RC oscillator
- Fixed Voltage Reference (FVR) as channel
• Integrated Temperature Indicator
• Voltage Reference module:
- Fixed Voltage Reference (FVR) with 1.024V
and 2.048V output levels
Peripheral Highlights
• Up to 25 I/O Pins and 1 Input-only Pin:
- High current 25 mA sink/source
- Individually programmable weak pull-ups
- Individually programmable interrupt-on-
change (IOC) pins
• Integrated LCD Controller:
- 19 segment pins and 72 total segments
- Variable clock input
- Contrast control
- Internal voltage reference selections
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated low-power 32 kHz oscillator driver
2011-2016 Microchip Technology Inc.
DS40001455F-page 1
1 page  
PIC16LF1902/3
Table of Contents
1.0 Device Overview .......................................................................................................................................................................... 6
2.0 Enhanced Mid-Range CPU ........................................................................................................................................................ 10
3.0 Memory Organization ................................................................................................................................................................. 12
4.0 Device Configuration .................................................................................................................................................................. 33
5.0 Resets ........................................................................................................................................................................................ 38
6.0 Oscillator Module........................................................................................................................................................................ 46
7.0 Interrupts .................................................................................................................................................................................... 55
8.0 Power-Down Mode (Sleep) ........................................................................................................................................................ 66
9.0 Watchdog Timer ......................................................................................................................................................................... 68
10.0 Flash Program Memory Control ................................................................................................................................................. 72
11.0 I/O Ports ..................................................................................................................................................................................... 88
12.0 Interrupt-On-Change ................................................................................................................................................................ 100
13.0 Fixed Voltage Reference (FVR) ............................................................................................................................................... 103
14.0 Temperature Indicator Module.................................................................................................................................................. 105
15.0 Analog-to-Digital Converter (ADC) Module .............................................................................................................................. 106
16.0 Timer0 Module ......................................................................................................................................................................... 119
17.0 Timer1 Module with Gate Control............................................................................................................................................. 122
18.0 Liquid Crystal Display (LCD) Driver Module............................................................................................................................. 133
19.0 In-Circuit Serial Programming™ (ICSP™) ............................................................................................................................... 166
20.0 Instruction Set Summary .......................................................................................................................................................... 169
21.0 Electrical Specifications............................................................................................................................................................ 183
22.0 DC and AC Characteristics Graphs and Charts ....................................................................................................................... 199
23.0 Development Support............................................................................................................................................................... 200
24.0 Packaging Information.............................................................................................................................................................. 204
Appendix A: Data Sheet Revision History.......................................................................................................................................... 215
The Microchip Website....................................................................................................................................................................... 216
Customer Change Notification Service .............................................................................................................................................. 216
Customer Support .............................................................................................................................................................................. 216
Product Identification System ............................................................................................................................................................ 217
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You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current
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To determine if an errata sheet exists for a particular device, please check with one of the following:
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2011-2016 Microchip Technology Inc.
DS40001455F-page 5
5 Page 
PIC16LF1902/3
FIGURE 2-1:
CORE BLOCK DIAGRAM
15 Configuration
15
Program Counter
Data Bus
8
Flash
Program
Memory
186-LLeevveel lSStatacckk
(135-bit)
RAM
Program
Bus
14
IInnssttrruuccttiioonn Rreegg
15
15
Program Memory
Read (PMR)
12 RAM Addr
Addr MUX
Direct Addr 7
8
Indirect
Addr
5 12
12
BFSSRR Rreegg
FSR0reRgeg
FFSSRR1 rReegg
SSTTAATTUUSSRreegg
CLKIN
CLKOUT
Instruction
DDeeccooddeea&nd
Control
Timing
Generation
Internal
Oscillator
Block
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
3 MUX
ALU
8
W Reg
VDD VSS
2011-2016 Microchip Technology Inc.
DS40001455F-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PIC16LF1903.PDF ] | |
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