usb单片机-mk9a35

我司是台湾mk一级代理商,现有一款usb mcu，资源非常丰富,而同比约低10-15%,现在每月出货约１kk，我们的晶源来自三星，我们做过同比测试，稳定性和抗干扰性能相当不错。

具体资源如下：

 application.
2. features
z usb 2.0 full speed
- fully compliant to usb 2.0 and usb1.1 full
speed specification
- built-in usb transceiver
- support usb suspend and resume
- built-in internal 3.3v regulator and usb
pull-up resistor
- one control in/out, two in/out endpoint
- programmable endpoint number from 1 to 15
z clock mode
- external 6mhz crystal oscillation
- internal 32khz rc oscillator
z risc 8-bit microcontroller
- cpu speed can be up to 6mhz or 12mhz by
option
- 3mhz or 6mhz instruction cycle depend on
system clock.
z internal memory
- built-in 192 bytes sram
- built-in 8kx16 otp (one time programming)
rom
z reduction component
- built-in internal usb pull-up resistor and dp
dm match resistor
z general-purpose i/o ports
- up to 40 general purpose i/o (gpio) pins
- support open-drain (port b) and pull-up (port
a port b) resistor
- port b with pull-up
- port a and port c with interrupt feature
z spi serial communication
- master or slave operation
- supports half duplex single data line mode
for optical sensors
z two 8 bit timer capture which can cascade to
be one 16 bit capture timer.
capture timer registers store both rising and
falling edge times
z two 8 bit auto reload timer interrupt which can
cascade to be one 16 bit timer
z internal low-power wake-up timer during
suspend mode
6. wakeup with no external components
z watchdog timer(wdt)
z built-in 4 or 8mhz (by option) clock output pin
z built-in low voltage reset (lvr) function
z 48 pin package