EFM8UB2中文资料PDF规格书
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EFM8UB2规格书详情
EFM8 Universal Bee Family
EFM8UB2 Data Sheet
Feature List
The EFM8UB2 highlighted features are listed below.
• Core:
• Pipelined CIP-51 Core
• Fully compatible with standard 8051 instruction set
• 70 of instructions execute in 1-2 clock cycles
• 48 MHz maximum operating frequency
• Memory:
• Up to 64 KB flash memory, in-system re-programmable from firmware.
• Up to 4352 bytes RAM (including 256 bytes standard 8051 RAM and 4096 bytes on-chip XRAM)
• Power:
• Internal LDO regulator for CPU core voltage
• Internal 5-to-3.3 V LDO allows direct connection to USB supply net
• Power-on reset circuit and brownout detectors
• I/O: Up to 40 total multifunction I/O pins:
• Flexible peripheral crossbar for peripheral routing
• 10 mA source, 25 mA sink allows direct drive of LEDs
• Clock Sources:
• Internal 48 MHz precision oscillator ( ±1.5 accuracy without USB clock recovery, ±0.25 accuracy with USB clock recovery)
• Internal 80 kHz low-frequency oscillator
• External crystal, RC, C, and CMOS clock options
• Timers/Counters and PWM:
• 5-channel Programmable Counter Array (PCA) supporting PWM, capture/compare, and frequency output modes with watchdog timer function
• 6 x 16-bit general-purpose timers
• Communications and Digital Peripherals:
• Universal Serial Bus (USB) Function Controller with eight flexible endpoint pipes, integrated transceiver, and 1 KB FIFO RAM
• 2 x UART
• SPI™ Master / Slave
• 2 x SMBus™/I2C™ Master / Slave
• External Memory Interface (EMIF)
• Analog:
• 10-Bit Analog-to-Digital Converter (ADC0)
• 2 x Low-current analog comparators
• On-Chip, Non-Intrusive Debugging
• Full memory and register inspection
• Four hardware breakpoints, single-stepping
• Pre-loaded USB bootloader
• Temperature range -40 to 85 ºC
• Single power supply 2.65 to 3.6 V
• QFP48, QFP32, and QFN32 packages
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SILICON |
24+ |
QFN32 |
39500 |
进口原装现货 支持实单价优 |
询价 | ||
SILICON LABS/芯科 |
23+ |
QFN32 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
Silicon Labs |
21+ |
QFN32 |
17 |
全新原装鄙视假货15118075546 |
询价 | ||
SILICON LABS(芯科) |
TQFP-48(7x7) |
23000 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | |||
SiliconLabs |
23+ |
32-QFN(5x5) |
66800 |
进口原装可追溯假一罚十 |
询价 | ||
SILICON LABS(芯科) |
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 | ||
SILICON/芯科 |
22+ |
QFN32 |
15000 |
原装正品 |
询价 | ||
SILICON/芯科 |
24+23+ |
12580 |
16年电子元件现货供应商 终端BOM表可配单提供样品 |
询价 | |||
SILICON |
2021+ |
QFN32 |
3000 |
十年专营原装现货,假一赔十 |
询价 | ||
SiliconLabs |
19+ |
32-QFP(7x7) |
56800 |
只卖原装正品!价格超越代理!可开增值税发票! |
询价 |
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