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NuMicro® NUC029LEE/NUC029SEE
32-bit Arm
®
Cortex
®
-M0 Microcontroller
Aug, 2018
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Rev 1.00
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FEATURES
ARM
®
Cortex
®
-M0 core
–
Runs up to 72 MHz
–
One 24-bit system timer
–
Supports low power sleep mode
–
Single-cycle 32-bit hardware multiplier
–
NVIC for the 32 interrupt inputs, each with 4-levels of priority
–
Serial Wire Debug supports with 2 watchpoints/4 breakpoints
Built-in LDO for wide operating voltage ranges from 2.5 V to 5.5 V
Flash Memory
–
128K bytes Flash for program code
–
8 KB flash for ISP loader
–
Supports In-System-Program (ISP) and In-Application-Program (IAP) application code
update
–
512 byte page erase for flash
–
Configurable Data Flash address and size for 128 KB system
–
Supports 2-wired ICP update through SWD/ICE interface
SRAM Memory
–
16K bytes embedded SRAM
–
Supports PDMA mode
PDMA (Peripheral DMA)
–
Supports 9 channels PDMA for automatic data transfer between SRAM and peripherals
–
Supports CRC calculation with four common polynomials, CRC-CCITT, CRC-8, CRC-16 and
CRC-32
Clock Control
–
Flexible selection for different applications
–
Built-in 22.1184 MHz high speed oscillator for system operation
Trimmed to
±
1 % at +25
℃
and V
DD
= 5 V
Trimmed to
±
3 % at -40
℃
~ +105
℃
and V
DD
= 2.5 V ~ 5.5 V
–
Built-in 48 MHz internal high speed RC oscillator (HIRC) for USB device operation
(Frequency variation < 2% at -40oC ~ +105oC)
Dynamically calibrating the HIRC OSC to 48 MHz
±
0.25% from -40
℃
to 105
℃
by
external 32.768K crystal oscillator (LXT) or internal USB synchronous mode
–
Built-in 10 kHz low speed oscillator for Watchdog Timer and Wake-up operation
–
Supports one PLL, up to 72 MHz, for high performance system operation
–
External 4~24 MHz high speed crystal input for USB and precise timing operation
–
External 32.768 kHz low speed crystal input for RTC function and low power system
operation
GPIO
–
Four I/O modes:
Quasi-bidirectional
Push-pull output
Open-drain output
Input only with high impendence
–
TTL/Schmitt trigger input selectable
–
I/O pin configured as interrupt source with edge/level setting
Timer
–
Supports 4 sets of 32-bit timers with 24-bit up-timer and one 8-bit prescale counter
–
Independent clock source for each timer
–
Provides one-shot, periodic, toggle and continuous counting operation modes
–
Supports event counting function
–
Supports input capture function
Watchdog Timer
–
Multiple clock sources