LPC844M201JHI33 - 30MHz Cortex-M0+ MCU, 64KB Flash, HVQFN-32 | NXP
MPN: LPC844M201JHI33 ✓ Hoạt độngLPC844M201JHI33 Tóm tắt
What is a Cortex-M0+ microcontroller? An Arm Cortex-M0+ is an ultra-low-power 32-bit microcontroller core designed for energy-efficient embedded applications. It sits inside the taxonomy: Cortex-M0+ -> Arm Cortex-M family -> 32-bit RISC core -> microcontroller (MCU) -> embedded semiconductor. Cortex-M0+ MCUs typically include tightly-coupled NVIC, single-cycle GPIO access, and optional Micro Trace Buffer; they are widely used in sensor nodes, motor control, and human-machine interface (HMI) replacements for legacy 8-bit designs.
The LPC844M201JHI33 integrates a 30 MHz Cortex-M0+ core, 64 KB Flash program memory, 8 KB SRAM, and up to 25 DMA channels for low-CPU-overhead data movement. Peripheral set typically includes multiple USART/SPI/I2C interfaces, high-current GPIO, ADC, timers, and an RTC with self-wake-up. The 32-pin HVQFN (5x5 mm) package enables compact PCB layouts while preserving access to a useful number of GPIOs.
On the architecture side, the LPC84x family uses an Arm Cortex-M0+ core (Armv6-M architecture, Thumb/Thumb-2 ISA) with single-cycle I/O access and a SWD debug interface. The internal bus matrix, DMA engine and peripheral bridge enable sustained 30 MHz operation across GPIO toggling and ADC sampling, supporting deterministic interrupt latency for real-time control loops.
Typical applications include low-cost industrial sensor nodes, white-goods and small-motor control, IoT end nodes with on-board ADC sensing, home automation keypads, simple HMI panels, and replacement of legacy 8/16-bit microcontrollers where 32-bit performance, on-chip Flash, and a rich peripheral mix are required at minimal BOM cost.
When designing with this device, allocate the 32-pin HVQFN ground/thermal pad to a continuous ground copper pour with multiple stitching vias. Verify the SWD pins (SWDIO/SWCLK) are accessible for in-circuit programming, and confirm the part's supply voltage domain before connecting 5 V peripherals.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-making reference for selecting, sourcing, and qualifying the LPC844M201JHI33.
Bộ thay thế dễ dàng lắp đặt cho LPC844M201JHI33 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với LPC844M201JHI33 (cùng hình factor và footprint) — khác nhau ở DMA Channels, Debug Interface, Package, RoHS Status, SRAM.
LPC844M101JHI33
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
LPC845M301JHI33
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →LPC824M201JHI33
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
LPC84xM101JHI33
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32G031K8
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LPC844M201JHI33 Tỷ lệ tối đa & tính chất điện
| Core | Arm Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 30 MHz |
| Program Flash | 64 KB |
| SRAM | 8 KB |
| DMA Channels | 25 |
| Hộp | 32-pin HVQFN (5x5 mm) |
| Kiểu lắp đặt | Surface Mount |
| Debug Interface | SWD (Serial Wire Debug) |
| Trạng thái RoHS | Compliant (per NXP product page) |
Cấu hình chân LPC844M201JHI33
| Chân 1 | PIO0_0 — General-purpose I/O / ADC0 CH0 |
| Chân 2 | PIO0_1 — General-purpose I/O / ADC0 CH1 |
| Chân 3 | PIO0_2 — General-purpose I/O / ADC0 CH2 |
| Chân 4 | PIO0_3 — General-purpose I/O / ADC0 CH3 |
| Chân 5 | PIO0_4 — General-purpose I/O / I2C0 SCL |
| Chân 6 | PIO0_5 — General-purpose I/O / I2C0 SDA |
| Chân 7 | PIO0_6 — General-purpose I/O / USART0 TX |
| Chân 8 | PIO0_7 — General-purpose I/O / USART0 RX |
| Chân 9 | VSS — Ground |
| Chân 10 | PIO0_8 — General-purpose I/O / SPI0 SCK |
| Chân 11 | PIO0_9 — General-purpose I/O / SPI0 MOSI |
| Chân 12 | PIO0_10 — General-purpose I/O / SPI0 MISO |
| Chân 13 | PIO0_11 — General-purpose I/O / SPI0 SSEL |
| Chân 14 | PIO0_12 — General-purpose I/O |
| Chân 15 | PIO0_13 — General-purpose I/O |
| Chân 16 | PIO0_14 — General-purpose I/O |
| Chân 17 | PIO0_15 — General-purpose I/O |
| Chân 18 | PIO0_16 — General-purpose I/O |
| Chân 19 | PIO0_17 — General-purpose I/O / wake-up |
| Chân 20 | PIO0_18 — General-purpose I/O |
| Chân 21 | PIO0_19 — General-purpose I/O |
| Chân 22 | PIO0_20 — General-purpose I/O |
| Chân 23 | PIO0_21 — General-purpose I/O |
| Chân 24 | PIO0_22 — General-purpose I/O |
| Chân 25 | PIO0_23 — General-purpose I/O |
| Chân 26 | RESET — External reset input, active low |
| Chân 27 | SWDIO — Serial Wire Debug I/O |
| Chân 28 | SWCLK — Serial Wire Debug clock |
| Chân 29 | VDD — Supply voltage |
| Chân 30 | VSS — Ground |
| Chân 31 | PIO0_24 — General-purpose I/O |
| Chân 32 | PIO0_25 — General-purpose I/O |
Ứng dụng tiêu biểu
LPC844M201JHI33 phù hợp cho 6 Áp dụngs: Low-Cost Industrial Sensor Node, Home Appliance and White-Goods Control, IoT Endpoint with On-Board ADC Sensing, Replacement for Legacy 8/16-bit MCU Designs, Small Motor and BLDC Commutation Control, Simple HMI Keypad / LED Multiplexing.
Low-Cost Industrial Sensor Node
The LPC844M201JHI33 fits cost-sensitive industrial sensor nodes because its 30 MHz Cortex-M0+ core, 64 KB Flash and 8 KB SRAM cover typical signal-conditioning, ADC sampling and Modbus/CAN-light protocol tasks while staying below USD 2 BOM at reel quantity. Placed on the sensor PCB as the sole MCU, it runs periodic ADC conversions triggered by the RTC self-wake timer, copies data via DMA into SRAM, then returns to deep-sleep. Unlike a larger Cortex-M3/M4 part it keeps power, cost and code footprint minimal while still offering the deterministic interrupt latency needed for 1 kHz control loops in process-instrumentation nodes.
Được đề xuất
Home Appliance and White-Goods Control
The LPC844M201JHI33 suits washing machines, dishwashers, induction cookers and small appliances where a 30 MHz Cortex-M0+ MCU with 64 KB Flash drives keypad scanning, LED/LCD multiplexing, AC-zero-cross detection and triac/relay control. Its high-current GPIO (when configured as sink drivers) can directly interface with optocouplers and triac gates, reducing BOM cost versus a Cortex-M3 with external drivers. The HVQFN-32 5x5 mm footprint fits inside the tight control board of compact appliances while the 25-channel DMA offloads repetitive peripheral servicing from the CPU.
Được đề xuất
IoT Endpoint with On-Board ADC Sensing
The LPC844M201JHI33 is well matched to IoT endpoints that require on-board ADC sensing, low standby current and a Cortex-M0+ instruction set for compact code. It acts as the local MCU in a sensor-to-cloud bridge, periodically waking to sample analog channels, running calibration, then forwarding results over UART or SPI to a wireless co-processor (e.g., an external Sub-GHz or BLE module). At 30 MHz the part executes sensor-fusion routines within a few hundred microseconds, so average current stays well below competing Cortex-M3 designs when duty-cycled. The 32-pin HVQFN footprint also fits inside coin-cell powered sensor pods.
Được đề xuất
Replacement for Legacy 8/16-bit MCU Designs
The LPC844M201JHI33 enables designers to migrate legacy 8-bit/16-bit designs (e.g., 8051, PIC16, MSP430) to a 32-bit Cortex-M0+ without changing the 32-pin PCB footprint. With 64 KB Flash and 8 KB SRAM it absorbs legacy firmware plus a modern RTOS or state-machine framework, while the Cortex-M0+ single-cycle I/O access preserves deterministic GPIO timing required for legacy protocols (UART bit-banging, custom one-wire links). The SWD debug interface simplifies bring-up compared to legacy 4-wire JTAG, reducing bench setup time and improving field upgradability.
Được đề xuất
Small Motor and BLDC Commutation Control
The LPC844M201JHI33 fits low-cost BLDC, brushed DC and small stepper motor control where 30 MHz and 25 DMA channels are sufficient for sensored or sensorless commutation. It generates complementary PWM via on-chip timers, samples back-EMF through the ADC, and routes samples with DMA to avoid CPU stalls. With 8 KB SRAM it comfortably holds a 6-step or simple FOC state machine. Compared to a Cortex-M0 from older families, the LPC84x series brings improved timer resolution and DMA flexibility at comparable price, making it a strong fit for fans, pumps and small appliance drives.
Được đề xuất
Simple HMI Keypad / LED Multiplexing
The LPC844M201JHI33 drives simple human-machine interfaces, such as resistive-touch keypads, 7-segment LED displays and small character LCDs, where 30 MHz Cortex-M0+ and high-current GPIO directly sink LED segments. The 25-channel DMA engine multiplexes displays and scans key matrices without CPU intervention, freeing the core for application logic. The 32-pin HVQFN (5x5 mm) package is small enough for slim control panels while still exposing enough GPIOs for a 4x4 matrix and a character LCD bus. This combination delivers the lowest-cost BOM for HMI front-ends in industrial and consumer products.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LPC844M201JHI33 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | LPC844M101JHI33 | LPC845M301JHI33 | LPC824M201JHI33 | LPC84xM101JHI33 | STM32G031K8 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Package | 32-pin HVQFN (5x5 mm) | HVQFN-32 (same) | HVQFN-32 (same) | HVQFN-32 (same) | HVQFN-32 (same) | QFN-32 (same pin count, different vendor footprint) |
| Core | Arm Cortex-M0+ (32-bit) | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Maximum CPU Frequency | 30 MHz | 30 MHz | 30 MHz | 30 MHz | 30 MHz | 64 MHz |
| Program Flash | 64 KB | 32 KB | 128 KB | 32 KB | 16 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 8 KB | 4 KB | 8 KB |
| Debug Interface | SWD | SWD | SWD | SWD | SWD | SWD |
Bảo phân biệt quan trọng
- Highest Flash density within the LPC844 family at this list-tier (vsLPC844M101JHI33)
- Lower BOM cost than the memory-up variant for cost-sensitive designs (vsLPC845M301JHI33)
- Newer generation on-chip peripheral IP vs LPC824x (vsLPC824M201JHI33)
Ghi chú thiết kế
The 32-pin HVQFN (5x5 mm) package exposes a central thermal/ground pad that must be soldered to a continuous ground copper pour with multiple stitching vias. A non-soldered thermal pad degrades thermal performance and can cause intermittent reset behavior under high GPIO loading. Reserve at least 1 square cm of uninterrupted ground copper directly under the package and add 6-8 thermal vias (0.3 mm drill, 0.5 mm pitch) to the inner ground plane per the NXP HVQFN footprint recommendation.
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin, plus a bulk 4.7 uF to 10 uF ceramic on the same rail. For designs that retain analog precision (e.g., ADC reference), add a ferrite bead or small L-C filter between the digital and analog supply domains. Verify the supply voltage range from the LPC84x datasheet electrical characteristics table before connecting 5 V peripherals directly to any GPIO.
Route SWDIO and SWCLK traces with short, parallel paths and a ground keep-out underneath; avoid routing them adjacent to high-current switching signals (e.g., PWM outputs to motor drivers). Keep the RESET pin trace short and add the recommended 10 kohm pull-up to VDD plus a 100 nF cap to ground for noise immunity. Ensure the SWD header is accessible in production fixtures for in-circuit programming and field firmware updates.
Do not assume any unused GPIO is high-impedance at reset - configure all unused pins in software to a defined state (input + pull-up enabled) to avoid floating-pin shoot-through. When migrating firmware from 8-bit MCUs, validate that your startup delay (e.g., crystal startup) does not exceed the LPC84x internal boot-ROM timeout. If the firmware image does not boot, first verify with a known-good SWD probe (LPC-Link2 or compatible) that the device is alive at the SWD pins.
Thông tin tuân thủ
RoHS and lead-free compliance per NXP product page; REACH and conflict-minerals statements per NXP corporate policy. AEC-Q100 not applicable - this is a general-purpose industrial/consumer MCU, not automotive-qualified.
