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http://www.silabs.com/products/mcu/Pages/32-bit-microcontrollers.aspx
两个系列，一个带usb的，一个不带usb的
把带usb的贴出来看看
SiM3U1xx USB MCUs
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Features
32-bit ARM Cortex-M3 CPU
80 MHz maximum system clock
32–256 kB Flash and 8–32 kB SRAM
External bus interface supports up to 16 MB external memory and parallel LCD interface
Ultra low power modes
85 nA sleep mode w/ brown out detector and 4 kB RAM preserved
350 nA sleep mode w/ RTC (internal oscillator)
650 nA sleep mode w/ RTC (external oscillator)
275 μA/MHz at 80 MHz
USB 2.0-compliant full speed with 2 kB buffer
48 MHz internal oscillator for crystal-less USB operation
Internal oscillator with PLL: 1–80 MHz ±1.5% accuracy; spread-spectrum mode for reduced EMI
2 x 12-bit 250 ksps ADCs (1 MSPS in 10-bit mode)
1.2/1.65/2.4 V internal voltage references
2 x 10-bit digital-to-analog converters
Temperature sensor
2 low-power comparators with 6-bit programmable voltage reference
16 capacitive touch inputs
16-channel DMA
2 x USART, 2 x UART, 3 x SPI, 2 x I2C, I2S
2 x 32-bit or 4 x 16-bit timers with capture/compare
2 x 16-bit, 2-ch. counters with capture/compare/PWM
16-bit, 6-channel motor control counter
Up to 6 high drive (5–300mA) I/O
Up to 65 flexible I/O
128/192/256-bit hardware AES encryption
16/32-bit CRC
JTAG, serial-wire, and ETM debugger support
Temperature range: –40 to +85 °C
2.7–5.5 V supply voltage (internal regulator enabled)
1.8–3.6 V supply voltage (internal regulator disabled)
LGA, QFN and TQFP package options (40/64/80/92-pin)
(原文件名:SiM3U1xx_BD.jpg) |
阿莫论坛20周年了！感谢大家的支持与爱护！！
知道什么是神吗？其实神本来也是人，只不过神做了人做不到的事情 所以才成了神。 （头文字D, 杜汶泽）
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发表于 2012-3-8 18:04:37
