文曲星NC3000怎样修改自带（系统）文件

问题描述：

问题解答：

-- NC3000内部技术参数
16-bit u\'nSP(TM) microprocessor
CPU clock: 0.32MHz - 49.152MHz
Operating voltage: 3.0V - 3.6V
Program Flash Operating voltage: 3.0V - 3.6V
IO PortA & B operating voltage: 3.0V - 5.5V
32K-word flash memory
2K-word working SRAM
Software-based audio processing
Crystal Resonator
Standby mode (Clock Stop mode) for power savings, Max. 2.0uA @ VDD = 3.6V
Two 16-bit timers/counters
Two 10-bit DAC outputs
32 general I/Os (bit programmable)
14 INT sources with two priority levels
Key wakeup function (IOA0 - 7)
Approx. 210 sec speech @ 2.4Kbit/per sec with SACM_S240
PLL feature for system clock
32768Hz Real Time Clock (RTC)
Eight channels 10-bit AD converter
ADC external top reference voltage
2.0V voltage regulator output, 5mA of driving capability
Serial interface I/O (SIO)
Built-in microphone amplifier and AGC function
UART receiver and transmitter (full duplex)
Low voltage reset and low voltage detection
Watchdog enable (bonding option)
ICE function for development and down load into flash memory
Security function to protect code to be read and written.

按照这个弄，就可以的，放心罢