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-- 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 r