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PIC18F2450-I/SP中文资料PDF规格书
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PIC18F2450-I/SP规格书详情
Overview
Devices in the PIC18F2450/4450 family incorporate a different oscillator and microcontroller clock system than the non-USB PIC18F devices. The addition of the USB module, with its unique requirements for a stable clock source, make it necessary to provide a separate clock source that is compliant with both USB low-speed and full-speed specifications.
Universal Serial Bus Features:
• USB V2.0 Compliant
• Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)
• Supports Control, Interrupt, Isochronous and Bulk Transfers
• 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
Power-Managed Modes:
• Run: CPU on, Peripherals on
• Idle: CPU off, Peripherals on
• Sleep: CPU off, Peripherals off
• 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
• Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
• Four Crystal modes, including High-Precision PLL for USB
• Two External Clock modes, up to 48 MHz
• Internal 31 kHz Oscillator
• Secondary Oscillator using Timer1 @ 32 kHz
• Dual Oscillator Options allow Microcontroller and USB module to Run at Different Clock Speeds
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if any clock stops
Peripheral Highlights:
• High-Current Sink/Source: 25 mA/25 mA
• Three External Interrupts
• 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:
- LIN bus support
• 10-Bit, Up to 13-Channel Analog-to-Digital Converter module (A/D):
- Up to 100 ksps sampling rate
- Programmable acquisition time
Special Microcontroller Features:
• C Compiler Optimized Architecture with Optional Extended Instruction Set
• Flash Memory 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 4 ms to 131s
• Programmable Code Protection
• Single-Supply In-Circuit Serial Programming™ (ICSP™) via Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Optional Dedicated ICD/ICSP Port (44-pin TQFP devices only)
• Wide Operating Voltage Range (2.0V to 5.5V)
产品属性
- 型号:
PIC18F2450-I/SP
- 功能描述:
8位微控制器 -MCU 16KB 768 RAM 23 I/O FS-USB 2.0
- RoHS:
否
- 制造商:
Silicon Labs
- 核心:
8051
- 处理器系列:
C8051F39x
- 数据总线宽度:
8 bit
- 最大时钟频率:
50 MHz
- 程序存储器大小:
16 KB 数据 RAM
- 大小:
1 KB 片上
- ADC:
Yes
- 工作电源电压:
1.8 V to 3.6 V
- 工作温度范围:
- 40 C to + 105 C
- 封装/箱体:
QFN-20
- 安装风格:
SMD/SMT
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
Microchip(微芯) |
23+ |
DIP |
7798 |
原厂可订货,技术支持,直接渠道。可签保供合同 |
询价 | ||
Microchip |
23+ |
28DIP |
10000 |
原厂原装正品现货 |
询价 | ||
MICROCHIP/微芯 |
21+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
询价 | |||
MICROCHIP(美国微芯) |
2021+ |
SPDIP-28 |
499 |
询价 | |||
MicrochipTechnology |
17+ |
原厂原装 |
6000 |
进口原装正品假一赔十,货期7-10天 |
询价 | ||
Microchip(微芯) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
MICROCHIP |
23+ |
SPDIP-28 |
3000 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
Microchip Technology |
24+ |
28-DIP(0.300,7.62mm) |
25000 |
微控制器MCU单片机-原装正品 |
询价 | ||
MICROCHIP |
DIP |
30000 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
Microchip |
23+ |
28-DIP |
65480 |
询价 |