FEATURES

 Core

 ARM® Cortex® -M0 core running up to 48/72 MHz by internal RC oscillator optioned

from ROMMAP

 One 24-bit system timer

 Supports low power Idle mode

 A single-cycle 32-bit hardware multiplier

 NVIC for the 32 interrupt inputs, each with 4-level of priority

 Supports Serial Wire Debug (SWD) interface and two watch points/four

breakpoints

 Built-in LDO for wide operating voltage ranged: 2.2 V to 5.5 V

 Memory

 64 Kbytes Flash memory for program memory (APROM)

 Configurable Flash memory for data memory (Data Flash)

 7.5 KB Flash memory for loader (LDROM)

 Three 0.5 KB Flash memory for security protection (SPROM0, 1, 2)

 16 KB SRAM for internal scratch-pad RAM (SRAM)

 Clock Control

 Programmable system clock source

 Switch clock sources on-the-fly

 4 ~ 24 MHz external crystal input (HXT)

 32.768 kHz external crystal input (LXT) for idle wake-up and system operation

clock

 48(72) MHz internal oscillator (HIRC) (1 accuracy at 250C, 5V)

 10 kHz internal low-power oscillator (LIRC) for Watchdog Timer and idle wake-up

 I/O Port

 Up to 44 general-purpose I/O (GPIO) pads and 1 Reset pad

 Four I/O modes:

 Quasi-bidirectional input/output

 Push-Pull output

 Open-Drain output

 Input only with high impendence

 Optional TTL/Schmitt trigger input

 I/O pin can be configured as interrupt source with edge/level setting

 Supports high driver and high sink I/O mode

 GPIO built-in Pull-up/Pull-low resistor for selection.

 Timer

Provides four channel 32-bit Timers; one 8-bit pre-scalar counter with 24-bit uptimer

for each timer

 Independent clock source for each timer

 Provides One-shot, Periodic, Toggle and Continuous operation modes

 24-bit up counter value is readable through TDR (Timer Data Register)

 Provides trigger counting/free counting/counter reset function triggered by

external capture pin or internal comparator signal

 Supports event counter function

 Supports Toggle Output mode

 Supports wake-up from Idle or Power-down mode

 Continuous Capture

 Timer0, Timer1, Timer2, Timer3 and Systick provided with continuous capture

function to capture at most 4 edges continuously on one signal

 ECAP (Enhanced Input Capture)

 One units of 24-bit input capture counter

 Capture surce:

 I/O inputs: ECAP ports(ECAP0, ECAP1 and ECAP2)

 ACMP Trigger

 ADC Trigger

 QEI (Quadrature Encoder Interface)

 One unit of Quadrature Encoder Interface with 3 inputs QEI_A, QEI_B and IDX

 WDT (Watchdog Timer)

 Programmable clock source and time-out period

 Supports wake-up function in Power-down mode and Idle mode

 Interrupt or reset selectable on watchdog time-out

 EPWM

 Supports a built-in 16-bit PWM clock generators, providing SIX PWM outputs or

three complementary paired PWM outputs

 Shared same as clock source, clock divider, period and dead-zone generator

 Supports group/independent/complementary modes

 Supports One-shot or Auto-reload mode

 Supports Edge-aligned and Center-aligned type

 Supports Asymmetric mode

 Programmable dead-zone insertion between complementary channels

 Each output has independent polarity setting control

 Hardware fault brake and software brake protections

 Support three of hardware Brake pin

 Supports rising, falling, central, period, and fault break interrupts

 Supports duty/period trigger A/D conversion

 Timer comparing matching event trigger PWM to do phase change

 Supports comparator event trigger PWM to force PWM output low for current

period

 Provides interrupt accumulation function

 BPWM

 One 16-bit PWM generator which supports one 8-bit pre-scalar, one clock divider,

two PWM timers (down counter) and one dead-zone generator

 Two independent outputs or one complementary paired outputs.

 PWM Interrupt request synchronized with PWM period

 Edge-aligned type or Center-aligned type option

 USCI (Universal Serial Control Interface Controller)

 Three USCI devices

 USCI0 & USCI1 Supports to be configured as UART, SPI or I²C individually

 USCI2 Supports to be configured as UART and I²C individually

 Supports programmable baud-rate generator

 ADC (Analog-to-Digital Converter)

 12-bit ADC with 1us conversion time

 Supports 2 sample/hold

 Up to 16-ch single-end input from I/O and one internal input from band-gap.

 Conversion started either by software trigger, PWM trigger, ACMP trigger or

external pin trigger

 Supports temperature sensor for measurement chip temperature

 Supports Simultaneous and Sequential function to continuous conversion 4

channels maximum.

 Programmable Gain Amplifier (PGA)

 Supports 8 level gain selects from 1, 2, 3, 5, 7, 9, 11 and 13.

 Unity gain frequency up to 6 MHz

 OP Amplifier

 Rail-to-rail OPA x 3

 DAC

 Built-in two of 12-bit DAC,

 Be the reference voltage for ACMP, PGA, ADC or output to pins.

 Analog Comparator

 Two analog comparators with 4 reference voltage source

 Programmable 16-level resistor ladders (CRV)

 Built-in 12-bit DAC for comparator reference voltage

 Band-gap voltage

 External voltage from port pin

 Supports Hysteresis function 0/20/90/150mV at VDD = 5V

 Interrupt when compared results changed

 Hardware Divider

 Signed (two’s complement) integer calculation

 32-bit dividend with 16-bit divisor calculation capacity

 32-bit quotient and 32-bit remainder outputs (16-bit remainder with sign extends

to 32-bit)

 Divided by zero warning flag

 6 HCLK clocks taken for one cycle calculation

 Waiting for calculation ready automatically when reading quotient and remainder

 Support 3 group of independent dividend, divisor, quotient and remainder

registers for three times of calculation capacity

 ISP (In-System Programming) and ICP (In-Circuit Programming)

 BOD (Brown-out Detector)

 8 programmable threshold levels: 4.3V/4.0V/3.7V/3.0V/2.7V/2.4V/2.2V/2.0V

 Supports Brown-out interrupt and reset option

 96-bit unique ID

 LVR (Low Voltage Reset)

 Operating Temperature: -40℃~105℃

 Reliability: EFT > ± 4KV, ESD HBM pass 4KV

 Packages:

 48-pin LQFP(7x7mm), 48-pin QFN(7x7mm)

 Package is Halogen-free, RoHS-compliant and TSCA-compliant.