产品特性- Precision Internal Oscillator:- Factory calibrated to ±1%- Software selectable frequency range of8 MHz to 32 kHz- Software tunable- Two-Speed Start-Up mode- Fail-safe clock monitoring for criticalapplications- Clock mode switching during operation forlow-power operation
- Power-Saving Sleep mode
- Power-on Reset (POR)
- Selectable Brown-out Reset (BOR) voltage
- Extended Watchdog Timer (WDT) with its ownon-chip RC oscillator for reliable operation
- In-Circuit Serial Programming™ (ICSP™) via twopins
- In-Circuit Debug (ICD) via two pins
- High-endurance Flash/EEPROM cell:- 100,000 erase/write cycle enhanced Flashprogram memory, typical- 1,000,000 erase/write cycle data EEPROMmemory, typical- Data EEPROM retention > 40 years
- Self-reprogrammable under software control
- Programmable code protection
- Peripheral Features: Device Features:- 1 input only pin- 25 I/O- High sink/source current 25 mA- Interrupt-on-pin change option
- Timers:- TMR0: 8-bit timer/counter with 8-bit prescaler- TMR1 enhanced: 16-bit timer/counter withprescaler, External Gate Input mode anddedicated low-power 32 kHz oscillator- TMR2: 8-bit timer/counter with 8-bit periodregister, prescaler and postscaler
- Capture/Compare/PWM (CCP) module
- Enhanced Capture/Compare/PWM (ECCP)module with auto-shutdown and PWM steering
- Master Synchronous Serial Port (MSSP) moduleSPI™ mode, I2C™ mode with address maskcapability
- Enhanced Universal Synchronous AsynchronousReceiver Transmitter (EUSART) module:- Supports RS-485, RS-232 and LINcompatibility- Auto-Baud Detect- Auto-wake-up on Start bit
- Ultra Low-Power Wake-up (ULPWU)Analog Features:
- 10-bit 11 channel Analog-to-Digital (A/D)Converter
- 2 Analog Comparator modules with:- Programmable on-chip Voltage Reference(CVREF) module (% of VDD)- Fixed 0.6 Vref- Comparator inputs and outputs externallyaccessible- SR Latch mode
| 技术参数
Parameter Name
Value
| Value |
Program Memory Type
Flash
|
Flash
|
Program Memory (KB)
3.5
|
3.5
|
CPU Speed (MIPS)
5
|
5
|
RAM Bytes
128
|
128
|
Data EEPROM (bytes)
128
|
128
|
Digital Communication Peripherals
1-UART, 1-A/E/USART, 1-SPI, 1-I2C1-MSSP(SPI/I2C)
|
1-UART, 1-A/E/USART, 1-SPI, 1-I2C1-MSSP(SPI/I2C)
|
Capture/Compare/PWM Peripherals
1 CCP, 1 ECCP
|
1 CCP, 1 ECCP
|
Timers
2 x 8-bit, 1 x 16-bit
|
2 x 8-bit, 1 x 16-bit
|
ADC
11 ch, 10-bit
|
11 ch, 10-bit
|
Comparators
2
|
2
|
Temperature Range (C)
-40 to 125
|
-40 to 125
|
Operating Voltage Range (V)
2 to 5.5
|
2 to 5.5
|
Pin Count
28
|
28
|
Cap Touch Channels
11
|
11
|
|