General Description
The Flash type voice of MCU has Flash type Program Memory and Connect External flash through SPI Serial Interface. Offering users the convenience of Flash Memory multi-programming features, this device also includes a wide range of functions and features which include a voice synthesizer and tone generator.

FEATUREs
• Operating voltage: 2.4V~5.5V
• System clock: 4MHz~12MHz
• Three oscillators:
   External Crystal - HXT
   External RC - ERC
   Internal RC - HIRC
• Fully integrated internal 4MHz, 8MHz and 12MHz
   oscillator requires no external components
• Up to 19 I/O pins
• Two sets of Serial Interfaces Module - SIM for SPI
   or I2C, shared with PB
• 2Kx16 Flash Program Memory
• 208x8 Data Memory
• Two 8-bit programmable timer counter with 8-stage
   prescaler and one time base counter
• 12-bit high quality voltage type D/A output
• PWM circuit direct drive speaker
• Watchdog Timer function
• 8-level subroutine nesting
• 2.7V Low voltage detection, tolerance 5%
• 2.4V Low voltage reset, tolerance 5%
• Power-down function and wake-up feature reduce
   power consumption
• 63 powerful instructions
• 28-pin SSOP package