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PIC18F2450-I/SO 参数 Datasheet PDF下载

PIC18F2450-I/SO图片预览
型号: PIC18F2450-I/SO
PDF下载: 下载PDF文件 查看货源
内容描述: 28 /40/ 44引脚,高性能, 12 MIPS ,增强型闪存, USB微控制器采用纳瓦技术 [28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology]
分类和应用: 闪存微控制器和处理器外围集成电路光电二极管PC时钟
文件页数/大小: 320 页 / 5591 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC18F2450/4450  
28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash,  
USB Microcontrollers with nanoWatt Technology  
Universal Serial Bus Features:  
Peripheral Highlights:  
• USB V2.0 Compliant  
• High-current sink/source: 25 mA/25 mA  
• Three external interrupts  
• Low speed (1.5 Mb/s) and full speed (12 Mb/s)  
• Supports control, interrupt, isochronous and  
bulk transfers  
• Three Timer modules (Timer0 to Timer2)  
• Capture/Compare/PWM (CCP) module:  
- Capture is 16-bit, max. resolution 5.2 ns  
- Compare is 16-bit, max. resolution 83.3 ns  
- PWM output: PWM resolution is 1 to 10-bit  
• Enhanced USART module:  
• Supports up to 32 endpoints (16 bidirectional)  
• 256-byte dual access RAM for USB  
• On-chip USB transceiver with on-chip voltage  
regulator  
• Interface for off-chip USB transceiver  
- LIN bus support  
• 10-bit, up to 13-channel Analog-to-Digital Converter  
module (A/D):  
Power-Managed Modes:  
- Up to 100 ksps sampling rate  
- Programmable acquisition time  
• Run: CPU on, peripherals on  
• Idle: CPU off, peripherals on  
• Sleep: CPU off, peripherals off  
Special Microcontroller Features:  
• Idle mode currents down to 5.8 μA typical  
• Sleep mode currents down to 0.1 μA typical  
• Timer1 oscillator: 1.8 μA typical, 32 kHz, 2V  
• Watchdog Timer: 2.1 μA typical  
• C compiler optimized architecture with optional  
extended instruction set  
• Flash memory retention: > 40 years  
• Self-programmable under software control  
• Priority levels for interrupts  
• Two-Speed Oscillator Start-up  
• 8 x 8 Single-Cycle Hardware Multiplier  
• Extended Watchdog Timer (WDT):  
- Programmable period from 4 ms to 131s  
• Programmable Code Protection  
Flexible Oscillator Structure:  
• Four Crystal modes, including High-Precision PLL  
for USB  
• Two External Clock modes, up to 48 MHz  
• Internal 31 kHz oscillator  
• Single-Supply In-Circuit Serial Programming™  
(ICSP™) via two pins  
• Secondary oscillator using Timer1 @ 32 kHz  
• In-Circuit Debug (ICD) via two pins  
• Dual oscillator options allow microcontroller and  
USB module to run at different clock speeds  
• Optional dedicated ICD/ICSP port  
(44-pin TQFP devices only)  
• Fail-Safe Clock Monitor:  
• Wide operating voltage range (2.0V to 5.5V)  
- Allows for safe shutdown if any clock stops  
Program Memory  
Data  
Memory  
SRAM  
(bytes)  
10-Bit A/D  
(ch)  
Timers  
8/16-Bit  
Device  
I/O  
CCP  
EUSART  
Flash  
(bytes)  
# Single-Word  
Instructions  
PIC18F2450  
PIC18F4450  
16K  
16K  
8192  
8192  
768*  
768*  
23  
34  
10  
13  
1
1
1
1
1/2  
1/2  
*
Includes 256 bytes of dual access RAM used by USB module and shared with data memory.  
© 2006 Microchip Technology Inc.  
Advance Information  
DS39760A-page 1  
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