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参数资料
| 型号： | PIC12F1840T-I/MF |
| 厂商： | Microchip Technology |
| 文件页数： | 46/122页 |
| 文件大小： | 0K |
| 描述： | MCU 7KB FLASH 256B RAM XLP 8DFN |
| 标准包装： | 3,300 |
| 系列： | PIC® XLP™ 12F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 32MHz |
| 连通性： | I²C，LIN，SPI，UART/USART |
| 外围设备： | 欠压检测/复位，POR，PWM，WDT |
| 输入/输出数： | 5 |
| 程序存储器容量： | 7KB（4K x 14） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 256 x 8 |
| RAM 容量： | 256 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.3 V ~ 5.5 V |
| 数据转换器： | A/D 4x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-VDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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2011 Microchip Technology Inc.
Preliminary
DS41441B-page 3
High-Performance RISC CPU:
Only 49 Instructions to Learn:
- All single-cycle instructions except branches
Operating Speed:
- DC – 32 MHz oscillator/clock input
- DC – 125 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
Flexible Oscillator Structure:
Precision 32 MHz Internal Oscillator Block:
- Factory calibrated to ± 1%, typical
- Software selectable frequencies range of
31 kHz to 32 MHz
31 kHz Low-Power Internal Oscillator
Four Crystal modes up to 32 MHz
Three External Clock modes up to 32 MHz
4X Phase Lock Loop (PLL)
Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
Two-Speed Oscillator Start-up
Reference Clock module:
- Programmable clock output frequency and
duty-cycle
Special Microcontroller Features:
Full 5.5V Operation – PIC12F1840
1.8V-3.6V Operation – PIC12LF1840
Self-Reprogrammable under Software Control
Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
Programmable Brown-out Reset (BOR)
Extended Watchdog Timer (WDT)
In-Circuit Serial Programming (ICSP) via
two pins
In-Circuit Debug (ICD) via Two Pins
Enhanced Low-Voltage Programming (LVP)
Operating Voltage Range:
- 2.3V-5.5V (PIC12F1840)
- 1.8V-3.6V (PIC12LF1840)
Programmable Code Protection
Power-Saving Sleep mode
Low-Power Features:
Standby Current (PIC12LF1840):
- 20 nA @ 1.8V, typical
Operating Current (PIC12LF1840):
-34
A @ 1 MHz, 1.8V, typical
Low-Power Watchdog Timer Current
(PIC12LF1840):
- 300 nA @ 1.8V, typical
Analog Features:
Analog-to-Digital Converter (ADC) module:
- 10-bit resolution, 4 channels
- Conversion available during Sleep
Analog Comparator module:
- One rail-to-rail analog comparator
- Power mode control
- Software controllable hysteresis
Voltage Reference module:
- Fixed Voltage Reference (FVR) with 1.024V,
2.048V and 4.096V output levels
- 5-bit rail-to-rail resistive DAC with positive
and negative reference selection
Peripheral Highlights:
5 I/O Pins and 1 Input Only Pin:
- High current sink/source 25 mA/25 mA
- Programmable weak pull-ups
- Programmable interrupt-on-change pins
Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated, low-power 32 kHz oscillator driver
Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
Enhanced CCP (ECCP) module:
- Software selectable time bases
- Auto-shutdown and auto-restart
- PWM steering
Master Synchronous Serial Port (MSSP) with SPI
and I2CTM with:
- 7-bit address masking
- SMBus/PMBusTM compatibility
Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) module:
- RS-232, RS-485 and LIN compatible
- Auto-Baud Detect
Capacitive Sensing (CPS) module (mTouchTM):
- 4 input channels
PIC12(L)F1840
8-Pin Flash Microcontrollers with nanoWatt XLP Technology
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