Item specifics
Description
GD32L233CCT6 Product Overview
The GD32L233CCT6 is an ultra-low-power 32-bit general-purpose microcontroller (MCU) from GigaDevice, built on the ARM Cortex-M23 core and belonging to the GD32L23x low-power product series. Housed in a LQFP-48 (7x7mm) mainstream package with 43 I/O pins, the GD32L233CCT6 delivers a balance between performance and power consumption with a 64MHz maximum frequency and 40nm ultra-low-power (ULP) process technology. As GigaDevice's flagship low-power MCU for IoT, industrial metering and portable device markets, the GD32L233CCT6 achieves a deep-sleep current as low as 2uA and a standby current as low as 0.4uA, providing extended battery life for battery-powered applications.
GD32L233CCT6 Key Features
Ultra-Low-Power ARM Cortex-M23 Core: The GD32L233CCT6 features an ARM Cortex-M23 processor based on the Armv8-M architecture with TrustZone security technology, operating at up to 64MHz. The Cortex-M23 processor is an energy-efficient processor with very low gate count, delivering high energy efficiency through a small yet powerful instruction set and extensively optimized design. The GD32L233CCT6 includes single-cycle multiplier and 17-cycle divider. Operating power consumption of the GD32L233CCT6 is as low as 66uA/MHz.
Memory Configuration: The GD32L233CCT6 is equipped with 256KB on-chip eFlash and 32KB SRAM.
Mainstream LQFP Package: The GD32L233CCT6 comes in an LQFP-48 (7x7mm) package with 43 I/O pins. GPIO multiplexing rate up to 93% for maximum I/O resource utilization.
Ultra-Wide Voltage Range: The GD32L233CCT6 supports 1.71V to 3.63V ultra-wide operating voltage and -40℃ to +85℃ industrial temperature range.
Extremely Low Power Modes: The GD32L233CCT6 provides up to six low-power modes including Deep-sleep and Standby. Deep-sleep current of the GD32L233CCT6 is <2uA with <10uS wake-up time; Standby current as low as 0.4uA.
Segment LCD Controller: The GD32L233CCT6 integrates a Segment LCD 8×28/4×32 controller for industrial metering and display applications.
Rich Analog Peripherals: The GD32L233CCT6 integrates one 12-bit ADC ( 10 external channels + 4 internal channels ), one 12-bit DAC and two comparators. ADC sampling rate up to 1M SPS.
Comprehensive Timer Resources: The GD32L233CCT6 provides up to four 16-bit general-purpose timers, two 16-bit basic timers, one 32-bit low-power timer (LPTim) and one 24-bit SysTick. The 32-bit low-power timer can run and wake the GD32L233CCT6 in Deep-sleep mode.
Extensive Communication Interfaces: The GD32L233CCT6 supports 2 USART, 2 UART, 1 low-power LPUART, 4 I2C, 2 SPI, 1 I2S, and 1 USB 2.0 FS (Full-Speed) controller.
Security Features: The GD32L233CCT6 supports CRC, TRNG (True Random Number Generator) , CAU cryptographic accelerator and TrustZone security technology.
Additional On-Chip Resources: The GD32L233CCT6 has built-in DMA controller (with DMAMUX multi-channel DMA selector), RTC, and 2 watchdog timers.
GD32L233CCT6 Applications
With its ultra-low-power characteristics and rich peripheral set, the GD32L233CCT6 is widely used in:
Industrial Metering: The GD32L233CCT6 is ideal for smart water meters, smart gas meters, heat meters, electricity meters
Battery Management Systems (BMS) : The GD32L233CCT6 can be used in battery monitoring and battery protection boards
Portable Medical Devices: The GD32L233CCT6 is suitable for blood pressure monitors, glucometers, thermometers, health monitoring devices
IoT Nodes: The GD32L233CCT6 powers wireless sensor nodes, data acquisition modules, IoT end devices
Consumer Electronics: The GD32L233CCT6 is found in smart home devices, wearables, small consumer electronics
Data Acquisition & Transmission: The GD32L233CCT6 is used in industrial data acquisition and remote monitoring systems
Segment LCD Display Applications: The GD32L233CCT6 drives instrument panels, counters, display panels
GD32L233CCT6 Key Advantages
Ultimate Low-Power Performance: Based on the GD32L233CCT6's 40nm ultra-low-power (ULP) process technology – deep-sleep current <2uA, standby current as low as 0.4uA. Full-speed operating power of the GD32L233CCT6 is as low as 66uA/MHz, leading the industry among comparable low-power MCUs.
Six Low-Power Modes: The GD32L233CCT6 provides up to six flexible low-power modes including partial sleep, deep sleep and key wake-up. The GD32L233CCT6 supports multiple wake-up sources in Deep-sleep mode including Low power Timer, Low power UART, RTC, LCD, I2C and USART, enabling flexible optimization between power consumption and wake-up response.
Segment LCD Controller: The GD32L233CCT6 integrates an 8×28/4×32 segment LCD controller for direct segment LCD driving – ideal for industrial metering and display applications without external LCD driver ICs.
93% GPIO Ultra-High Multiplexing Rate: The GD32L233CCT6 achieves a GPIO multiplexing rate up to 93% – more I/O resources available for function expansion compared to competing MCUs in the same package type.
Rich Peripherals & Security Features: The GD32L233CCT6 integrates ADC, DAC, comparators, USB 2.0 FS, multiple serial interfaces and segment LCD controller. The GD32L233CCT6 supports CRC, TRNG, CAU cryptographic accelerator and TrustZone security – meeting the data security and communication encryption requirements of IoT devices.
Mature Ecosystem: The GD32L233CCT6 is supported by Keil, IAR and other mainstream IDEs with the official GD32L233C-START evaluation board, complete firmware library and abundant development resources.
Industrial-Grade Reliability: The GD32L233CCT6 operates over a -40℃ to +85℃ wide temperature range suitable for harsh industrial and outdoor environments.
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FAQ
1 What is GD32L233CCT6
The GD32L233CCT6 is a 32-bit low-power MCU from GigaDevice, based on the ARM Cortex-M23 core with TrustZone security support
2 What are the key specifications
The GD32L233CCT6 features up to 64MHz, 256KB Flash, 32KB SRAM, 43 I/Os, operating voltage 1.71V~3.63V
3 What package does it use
The GD32L233CCT6 uses an LQFP-48 package, 7mm × 7mm
4 What applications is it suitable for
The GD32L233CCT6 is suitable for industrial meters, consumer electronics, portable medical devices, battery management systems, IoT terminals
5 What development tools support it
The GD32L233CCT6 is supported by Keil MDK and IAR, with the official GD32L233C-START evaluation board and onboard GD-Link debugger
6 What is the operating temperature range
The GD32L233CCT6 operates over -40°C to +85°C
7 What are the key features
The GD32L233CCT6 includes a 12-bit ADC, 12-bit DAC, Segment LCD controller (8×28/4×32), hardware CRC, TRNG
8 What peripheral interfaces does it support
The GD32L233CCT6 supports 2×USART, 2×UART, 1×LPUART, 4×I2C, 2×SPI, 1×I2S, 1×USB FS Device
9 What is the low-power performance
The GD32L233CCT6 achieves a Stop mode current <2µA, Standby mode <0.4µA
10 What are the design considerations
The GD32L233CCT6 supports 1.71V~3.63V wide voltage supply, and multiple low-power modes for optimizing wake-up latency and power consumption trade-offs