HOME PRODUCT SCHEME HR ABOUT US CONTACT US MAP

FEATURES


1.   ROM:

      ● RISC 2T core

      ● 4K x 16 bits MTP


1.   EEPROM: 256 x 8 bits


2.   RAM: 256 x 8 bits


3.   STACK: 8 Levels


4.   System Clock type selections:

      ● Fast clock from 1~20 MHz Crystal (FXT)

      ● Fast clock from Internal RC (FIRC, 16 MHz)

      ● Slow clock from 32768 Hz Crystal (SXT)

      ● Slow clock from Internal RC (SIRC, 65.5 KHz+-2%@25℃/VCC=5V)


5.   System Clock Prescaler:

      ● System Clock can be divided by 1/2/4/8 option


6.   Power Saving Operation Mode

      ● FAST Mode: Slow-clock is enabled, Fast-clock keeps CPU running

      ● SLOW Mode: Fast-clock can be disabled or enabled, Slow-clock keeps CPU running

      ● IDLE Mode: Fast-clock and CPU stop. Slow-clock, T2, or Wake-up Timer keep running

      ● STOP Mode: All clocks stop, T2 and Wake-up Timer stop


7.   3 Independent Timers

      ● Timer0

            - 8-bit timer divided by 1~256 pre-scale option / auto-reload / counter / interrupt / stop function

      ● Timer1

            - 8-bit timer divided by 1~256 pre-scale option / auto-reload / interrupt / stop function

            - Overflow and Toggle out

      ● T2

            - 15-bit timer with 4 interrupt interval time options

            - IDLE mode wake-up timer or used as one simple 15-bit time base

            - Clock source: Slow-clock, Fsys/128, or FIRC/512 (16 MHz/512)


8.   Interrupt

      ● Three External Interrupt pins

            - 1 pin is falling edge wake-up triggered & Interrupts

            - 2 pins are rising or falling edge wake-up triggered & Interrupt

      ● Timer0 / Timer1 / T2 / Wake-up Timer Interrupt

      ● ADC Interrupt

      ● Comparator  Interrupt

      ● PWM Interrupt

      ● LVD Interrupt

      ● All Port Pin Change Wakeup Interrupt

      ● EEPROM Interrupt


9.   Wake-up Timer (WKT)

      ● Clocked by built-in RC oscillator with 4 adjustable interrupt times

            - 15.6 ms / 31.3 ms / 62.5 ms / 125 ms @VCC=5V


10. Watchdog Timer (WDT)

      ● Clocked by built-in RC oscillator with 4 adjustable reset times

            - 125 ms / 250 ms / 1001 ms /2001 ms @VCC=5V

      ● Watchdog timer can be disabled / enabled in STOP mode


11. Six 16 bits PWMs

      ● Six individual duty-adjustable, shared period-adjustable

      ● PWM clock source: System clock (Fsys), FIRC/256, FIRC (16 MHz), FIRC*2 (32 MHz)

      ● PWM0 supports complementary output (PWM0P, PWM0N)

      ● PWM0 output with dead-zone(non-overlap) time durations adjustable: (0~ 15)*(PWMCLK)

      ● PWM0N/0P/1/2/3/4/5 has two outputs

      ● Half-bridge phase control output


12. 12-bit ADC with 14 channels for External Pin Input and 2 channels for Internal Voltage

      ● Two internal voltage channels: VBG, 1/4VCC

      ● ADC reference voltage: VCC, VBG  (1.2V), VBG  (2.48V) and VBG  (2V)

      ● PWM trigger ADC


13. Comparator

      ● Comparator x 1

            - With 7-bit DAC input

            - DAC reference voltage: VCC or VBG (1.20V or 2.48V)


14. Reset Sources

      ● Power On Reset

      ● Watchdog Timer Reset

      ● Low Voltage Reset

      ● External Pin Reset


15. Low Voltage Reset (LVR) and Low Voltage Detection (LVD)

      ● 15-Level Low Voltage Reset: 1.73V ~ 3.5V, can be disabled

      ● 15-Level Low Voltage Detection: 1.73V ~ 3.5V, can be disabled


16. Operating Voltage

      ● Fsys= 16 MHz, PWMCKS=FIRC* 1, LVR~5.5V. Suggest LVR ≥ 2.30V

      ● Fsys= 8 MHz, PWMCKS=FIRC* 1, LVR~5.5V. Suggest LVR ≥ 1.6V Note: Refer to the “Electrical Characteristics Graphs”.


17. Operating Temperature Range : -40°C to + 105°C


18. Table Read Instruction: 16-bit ROM data lookup table


19. Integrated 16-bit Cyclic Redundancy Check (CRC) function


20. Instruction set: 39 Instructions


21. I/O ports:

      ● Maximum 18 programmable I/O pins

            - Open-Drain Output

            - CMOS Push-Pull Output

            - Schmitt Trigger Input with pull-up /  pull-down resistor option(PA7 has no pull-down resistor)

            - All I/O with High-Sink except PA7

            - 1/2 VCC (LCD 1/2 bias) Output (except PA7)

● All pin change wake up (falling edge and rising edge trigger) and interrupt


22. LCD Driver

      ● Maximum 17 software controlled COM

      ● LCD 1/2 bias


23. Programming connectivity support 5-wire (ICP) or 6-wire program


24. RDCTL: Read signal delay control for Program ROM

      ● The user must switch this register to “4ns” to enhance the performance of minimal operating voltage


25. Trimmed VBG1.2V/2V

      ● The users could move BG2TRIM to BGTRIM for exact 2V VBG.


26. ATD: Automatic transient detection(Read signallength control for Program ROM) to enhance the performance of power consumption at slow mode


27. Package Types:

      ● 20-pin SOP (300 mil)

      ● 16-pin SOP (150 mil)

      ● 14-pin SOP (150 mil)

      ● 8-pin SOP (150 mil)

      ● 20-pin TSSOP (173 mil)


PIN ASSIGNMENT DIAGRAM

AK8M303E.jpg


Download PDF

Product Center

MCU DC-DC EEPROM LDO MOS

Business Hotline: 0757-28096971

Copyright © Foshan Angke Electronic Technology Co., Ltd     All rights reserved 粤ICP备2023051041号