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标题: PIC18F4220 Data sheet [打印本页]

作者: enroo_ma 时间: 2009-7-25 16:18
标题: PIC18F4220 Data sheet

PIC18F2220/2320/4220/4320 Datasheet (12/12/2007)

Low-Power Features:
Power-Managed modes:
- Run: CPU on, peripherals on
- Idle: CPU off, peripherals on
- Sleep: CPU off, peripherals off
Power Consumption modes:
- PRI_RUN: 150 μA, 1 MHz, 2V
- PRI_IDLE: 37 μA, 1 MHz, 2V
- SEC_RUN: 14 μA, 32 kHz, 2V
- SEC_IDLE: 5.8 μA, 32 kHz, 2V
- RC_RUN: 110 μA, 1 MHz, 2V
- RC_IDLE: 52 μA, 1 MHz, 2V
- Sleep: 0.1 μA, 1 MHz, 2V
Timer1 Oscillator: 1.1 μA, 32 kHz, 2V
Watchdog Timer: 2.1 μA
Two-Speed Oscillator Start-up
Oscillators:
Four Crystal modes:
- LP, XT, HS: up to 25 MHz
- HSPLL: 4-10 MHz (16-40 MHz internal)
Two External RC modes, Up to 4 MHz
Two External Clock modes, Up to 40 MHz
Internal Oscillator Block:
- 8 user-selectable frequencies: 31 kHz, 125 kHz,
250 kHz, 500 kHz, 1 MHz, 2 MHz, 4 MHz, 8 MHz
- 125 kHz-8 MHz calibrated to 1%
- Two modes select one or two I/O pins
- OSCTUNE Allows user to shift frequency
Secondary Oscillator using Timer1 @ 32 kHz
Fail-Safe Clock Monitor
- Allows for safe shutdown if peripheral clock stops
Peripheral Highlights:
High-Current Sink/Source 25 mA/25 mA
Three External Interrupts
Up to 2 Capture/Compare/PWM (CCP) modules:
- Capture is 16-bit, max. resolution is 6.25 ns (TCY/16)
- Compare is 16-bit, max. resolution is 100 ns (TCY)
- PWM output: PWM resolution is 1 to 10-bit
Enhanced Capture/Compare/PWM (ECCP) module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-Shutdown and Auto-Restart
Compatible 10-Bit, Up to 13-Channel
Analog-to-Digital Converter (A/D) module with
Programmable Acquisition Time
Dual Analog Comparators
Addressable USART module:
- RS-232 operation using internal oscillator
block (no external crystal required)
Special Microcontroller Features:
100,000 Erase/Write Cycle Enhanced Flash Program
Memory Typical
1,000,000 Erase/Write Cycle Data EEPROM
Memory Typical
Flash/Data EEPROM Retention: > 40 Years
Self-Programmable under Software Control
Priority Levels for Interrupts
8 x 8 Single-Cycle Hardware Multiplier
Extended Watchdog Timer (WDT):
- Programmable period from 41 ms to 131s
- 2% stability over VDD and Temperature
Single-Supply 5V In-Circuit Serial Programming
(ICSP) via Two Pins
In-Circuit Debug (ICD) via Two Pins
Wide Operating Voltage Range: 2.0V to 5.5V

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