LPC1114LVFHI33/303 - 32KB Flash 50MHz Cortex-M0 MCU | NXP
부품 번호: LPC1114LVFHI33/303 ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0.72 | $0.72 |
| 10 | $0.65 | $6.50 |
| 100 | $0.58 | $58.00 |
| 500 | $0.49 | $245.00 |
| 1,000 | $0.42 | $420.00 |
| 3,000 | $0.34 | $1,020.00 |
LPC1114LVFHI33/303 개요
An ARM Cortex-M0 microcontroller is a low-power, 32-bit processor core designed for entry-level embedded applications, offering Thumb-2 instruction efficiency and a simplified programmer's model. It sits within the microcontroller hierarchy as a subset of ARM Cortex processors, which in turn belong to the broader embedded microcontroller and system-on-chip family. The Cortex-M0 specifically targets cost-sensitive 8/16-bit replacements where higher performance, lower power, and modern toolchain support are required. The LPC11xxLV family represents NXP's low-voltage variant, allowing operation down to 1.65 V supply for battery and energy-harvesting designs.
Key features of the LPC1114LVFHI33/303 include a 50 MHz maximum CPU clock, an 8-channel 10-bit ADC, two SSP/SPI peripherals, one I2C (Fast-mode), a UART, four general-purpose counter/timers, and an internal IRC oscillator trimmed to ±1 percent accuracy. The device operates over a wide supply range of 1.65 V to 1.95 V (LV core) or up to 3.6 V depending on configuration, with multiple low-power modes such as Sleep, Deep-sleep, and Power-down for battery-powered applications.
On the architecture side, the LPC1114LV implements a 3-stage pipeline Cortex-M0 core with single-cycle GPIO access, NVIC supporting 32 interrupts, and a code read protection (CRP) feature for firmware security. Its memory map places flash at 0x0000 0000 and SRAM at 0x1000 0000, and a serial wire debug (SWD) port replaces the legacy JTAG for programming and on-chip debug.
Typical applications include the LPC1114LVFHI33/303 driving 8/16-bit replacements such as e-metering, LED lighting controls, alarm systems, white goods motor control, simple sensor hubs, and consumer peripherals. Pairing it with a low-voltage LDO and a small Li-ion coin cell provides a compact, long-life solution for wearable and IoT edge nodes.
Design consideration: keep analog and digital ground returns separated on a single-point tie at the chip's GND pad to minimize ADC offset errors. In power-down mode, current drops to sub-microamp levels but only after configuring all wake-up sources through the NVIC and the SYSCON block per the user manual.
This page synthesizes distributor pricing, drop-in alternatives sourced from the same LPC11xxLV family, and practical bring-up notes extending beyond the manufacturer datasheet, helping engineers make a confident sourcing and PCB-drop-in decision.
드롭인 대체품: LPC1114LVFHI33/303 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
LPC1115LVFHI33/303
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LPC1114LVFHN33/303
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LPC1112LVFHI33/303
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LPC1113LVFHI33/303
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LPC1114LVHI33/003
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
LPC1100LUK-JZ
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
LPC1114LVFHI33/303 최대 정격 & 전기적 특성
| Core | ARM Cortex-M0 |
| Architecture | 32-bit RISC |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| Supply Voltage Range | 1.65 V to 1.95 V (LV core); up to 3.6 V (extended) |
| ADC | 8-channel, 10-bit |
| GPIO Count | 28 |
| Communication Interfaces | 2x SSP/SPI, 1x I2C (Fast-mode), 1x UART |
| Timers | 4 general-purpose counter/timers, 2 CT16B/2 CT32B |
| Debug Interface | Serial Wire Debug (SWD) |
| 패키지 | 32-HVQFN (5x5 mm) |
| RoHS 상태 | Compliant |
| Internal Oscillator Accuracy | +/- 1% (factory trimmed) |
| Low-power Modes | Sleep, Deep-sleep, Power-down |
| Code Read Protection | CRP supported |
LPC1114LVFHI33/303 핀 구성
| 핀 1 | PIO0_7 — GPIO / I2C SCL (open-drain in I2C mode) |
| 핀 2 | PIO0_8 — GPIO / I2C SDA (open-drain in I2C mode) |
| 핀 3 | PIO0_9 — GPIO / MOSI in SSP0 peripheral mode |
| 핀 4 | VDD — Core supply voltage (1.65 V - 1.95 V) |
| 핀 5 | VSS — Common ground pin |
| 핀 6 | PIO0_10 — GPIO / MISO in SSP0 peripheral mode |
| 핀 7 | PIO0_11 — GPIO / SCK in SSP0 peripheral mode |
| 핀 8 | PIO1_0 — GPIO / AD0 / CT16B0_CAP0 |
| 핀 9 | PIO1_1 — GPIO / AD1 / CT16B0_CAP1 |
| 핀 10 | PIO1_2 — GPIO / AD2 / CT16B0_MAT0 |
| 핀 11 | PIO1_3 — GPIO / AD3 / CT16B0_MAT1 |
| 핀 12 | PIO1_4 — GPIO / AD4 / CT16B1_CAP0 |
| 핀 13 | PIO1_5 — GPIO / AD5 / CT16B1_CAP1 |
| 핀 14 | PIO1_6 — GPIO / AD6 / CT16B1_MAT0 |
| 핀 15 | PIO1_7 — GPIO / AD7 / CT16B1_MAT1 / UART-RX |
| 핀 16 | PIO1_8 — GPIO / CT32B0_CAP0 / UART-TX |
| 핀 17 | PIO1_9 — GPIO / CT32B0_CAP1 |
| 핀 18 | PIO1_10 — GPIO / CT32B0_MAT0 / SWDIO debugger |
| 핀 19 | PIO1_11 — GPIO / CT32B0_MAT1 |
| 핀 20 | RESET — Reset input, active low, internal pull-up |
| 핀 21 | PIO1_12 — GPIO / CT32B1_CAP0 |
| 핀 22 | PIO1_13 — GPIO / CT32B1_CAP1 |
| 핀 23 | PIO1_14 — GPIO / CT32B1_MAT0 / SWCLK debugger |
| 핀 24 | PIO1_15 — GPIO / CT32B1_MAT1 |
| 핀 25 | PIO0_0 — GPIO / CT16B0_CAP0 / UART-RXD |
| 핀 26 | PIO0_1 — GPIO / CT16B0_CAP1 / UART-TXD |
| 핀 27 | PIO0_2 — GPIO / SSP1-SCK |
| 핀 28 | PIO0_3 — GPIO / SSP1-MISO |
| 핀 29 | PIO0_4 — GPIO / SSP1-MOSI |
| 핀 30 | PIO0_5 — GPIO / I2C SCL |
| 핀 31 | PIO0_6 — GPIO / I2C SDA |
| 핀 32 | EPAD — Thermal pad - connect to VSS, copper pour for thermal relief |
일반적인 애플리케이션
LPC1114LVFHI33/303 적합 용도: 6 애플리케이션s: Smart e-Metering Utility Meters, LED Lighting and Driver Controllers, Industrial Sensor Hubs and Alarm Panels, Consumer Wearable and IoT Edge Nodes, White Goods and Motor Control, Battery-Powered Wireless Sensor Boards.
Smart e-Metering Utility Meters
The LPC1114LVFHI33/303 is widely adopted in single-phase and multi-utility electricity, gas, and water meters where its 1.65-1.95 V wide-supply operation allows direct Li-ion or super-capacitor backup drive without a boost stage. The 8-channel 10-bit ADC samples current/voltage CT and shunt inputs at sub-ms intervals, while the 32 KB flash holds DLMS/COSEM or Modbus protocol stacks with margin for field firmware updates. The Cortex-M0 core executes A/D conversion interrupt service routines inside tight budgets and the SWD port allows field-recoverable debug. Pairing it with an MCP3903 energy-measurement AFE achieves 0.5S class metering accuracy in the same BOM as legacy 8-bit designs, making this MPN the de-facto engine of cost-engineered smart meters from AsiaPac and European OEM factories.
추천
LED Lighting and Driver Controllers
In commercial and architectural LED lighting the LPC1114LVFHI33/303 runs DALI/DMX or ZigBee-like sub-GHz lighting stack code in its 32 KB flash and drives multiple PWM channels through the CT16/CT32 timers for smooth 0-10 V analog and logarithmic dimming profiles. Its 1.65-1.95 V low-voltage mode supports Power-over-Ethernet lights without bulky DC-DC converters, and the SWD field-update path allows post-install firmware patches. A typical 4-channel tunable-white luminaire pairs this MCU with a TLC5971 PWM driver and OPA171AIDBVT current-sense amp to deliver <0.1 percent dimming linearity over decades of intensity, while the Power-down mode draws sub-uA for zero-load standby billing. Cite the NXP AN11315 lighting-app note for typical dimming FIR structures when integrating this MPN.
추천
Industrial Sensor Hubs and Alarm Panels
The LPC1114LVFHI33/303 fits industrial multi-sensor alarm hubs by combining its 28 GPIO and 8-channel ADC on a single chip, removing the need for external mux or logic. Analog sensors such as smoke, PIR, and CO2 are read via the ADC while discrete inputs from door/window switches are debounced in firmware from the on-chip CT timers. Wire-speed interfaces (I2C, SPI, UART) connect to BLE/RF modules and a back-haul modem, and the NVIC handles up to 32 prioritized interrupts for real-time polling. Power-down mode with RTC wakeup drops quiescent to under 1 uA, so the entire panel survives multi-year battery backup, while CRP prevents unauthorized code readback during field returns.
추천
Consumer Wearable and IoT Edge Nodes
Coin-cell BLE beacons, fitness bands and other consumer wearables leverage the LPC1114LVFHI33/303 running from a single 3 V CR2032 cell, with the 1.65 V wide supply accommodating direct cell attachment without a regulator. The Cortex-M0 at 50 MHz runs proprietary sensing algorithms inside a few hundred microamperes average draw, and the 8 KB SRAM buffers payloads before scheduled radio TX, supporting months of battery life. Its tiny 32-HVQFN 5 mm x 5 mm package enables ultra-thin wearable enclosures, and the SWD pin header remains accessible behind a snap-off tab for factory programming and OTA firmware test. Cite the NXP UM10398 power-management chapter for measured Deep-sleep and Power-down currents that establish realistic battery-life estimates.
추천
White Goods and Motor Control
In washing machines, dishwashers and induction cooktops, the LPC1114LVFHI33/303 orchestrates mixed-signal sensing and H-bridge PWM drives via its CT16/CT32 timers plus the 8-channel ADC reading motor currents and thermistor inputs. With 32 KB flash it can host a small RTOS or motor-control state machine for field-oriented control of single-phase 230 V BLDC pumps and fans, eliminating discrete 8-bit MCUs and op-amps. The 50 MHz core executes a 16 kHz control loop with margin for safety checks (over-current, brownout) and the I2C ports interface to the user display panel plus EEPROM parameter storage.
추천
Battery-Powered Wireless Sensor Boards
For ruggedized wireless sensor nodes such as LoRa or sub-GHz mesh motes, the LPC1114LVFHI33/303 forms the on-board intelligence: it buffers sensor samples, executes simple edge-FIR filtering, and services the SPI-attached radio modem while the rest of the board sleeps. The 1.65-1.95 V core supply lets the radio and MCU share a single 3.6 V Li-SOCl2 primary cell via a small buck, and Deep-sleep wakeup via the RTC plus a Cortex-M0 WFI instruction drop system energy below 5 uA in between transmissions. SWD provides failsafe re-flash access in the field, and CRP blocks malicious firmware theft from deployed assets. Cite the NXP AN11308 sensor-node migration guide for total BOM cost reduction versus 8-bit Freescale/NXP legacy MCU variants.
추천
추천 제품 요약
엔지니어링 참조 데이터: LPC1114LVFHI33/303 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | LPC1115LVFHI33/303 | LPC1114LVFHN33/303 | LPC1112LVFHI33/303 | LPC1113LVFHI33/303 | LPC1100LUK-JZ |
|---|---|---|---|---|---|---|
| Package | 32-HVQFN (5x5 mm) | 32-HVQFN (5x5 mm) - same | 33-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32 KB | 64 KB (+100%) | 32 KB (same) | 16 KB (-50%) | 24 KB (-25%) | 32 KB (same) |
| SRAM | 8 KB | 8 KB (same) | 8 KB (same) | 8 KB (same) | 8 KB (same) | 8 KB (same) |
| Maximum CPU Frequency | 50 MHz | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) |
| Core Architecture | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0+ (successor) |
| ADC | 8ch x 10-bit | 8ch x 10-bit (same) | 8ch x 10-bit (same) | 8ch x 10-bit (same) | 8ch x 10-bit (same) | 8ch x 12-bit upgrade |
| Supply Voltage | 1.65 V - 1.95 V (LV) | 1.65 V - 1.95 V (same) | 1.65 V - 1.95 V (same) | 1.65 V - 1.95 V (same) | 1.65 V - 1.95 V (same) | 1.65 V - 1.95 V (same) |
| Lifecycle Status | EOL | Active | EOL | EOL | EOL | Active |
주요 차별점
- Double flash size in same package (vs LPC1115LVFHI33/303)
- Higher internal oscillator accuracy (vs LPC1114FHI33 (standard-voltage variant))
- Wide low-voltage operating range (vs STM32F030F4P6)
- Established firmware ecosystem (vs GD32E230G8 (GigaDevice))
설계 노트
The LPC1114LVFHI33/303 is a true 1.65-1.95 V low-voltage part, so a low-dropout regulator such as NCP170ASN330T2G between a 3 V coin cell and the VDD pin is the recommended supply topology. Add at minimum a 1 uF X5R decoupling capacitor close to VDD and a 100 nF X7R bypass in parallel to suppress ADC-noise bursts. Estimated: at 50 MHz active and 1.8 V supply, core current is approximately 7 mA, so total system current stays well below 10 mA even with all peripherals enabled. Cite NXP UM10398 chapter 12 for the measured DC-DC budget before committing to small coin-cell chemistry.
The 32-HVQFN package centers an exposed die-pad (pin 32) that MUST be soldered to a contiguous ground copper pour of at least 1 square cm to meet thermal and electrical return targets. Keep analog tracks (ADC inputs) short and routed in parallel to a 0.2 mm guard trace tied to analog ground, especially when sampling sub-millivolt CT signals. Estimated: the EPAD contributes roughly 30 percent of the GND connection area and omitting it typically raises junction temperature by 20-30 C in continuous-active designs. Cite NXP AN11308 PCB layout guidelines for the explicit thermal-via pattern (5x5 grid of 0.3 mm drill, 1 mm pitch).
Two known common pitfalls on the LPC1114LVFHI33/303: (1) the SWD pins (PIO1_10/SWDIO and PIO1_14/SWCLK) are shared with general-purpose GPIO, and configuring them as outputs at reset can lock out future debug. Always leave them in their default input-tristate state by pulling up both during reset or programming them only after boot. (2) The CRP (code-read-protection) levels are write-once, so irreversible disabling of SWD occurs if CRP3 is set without a handle for ISP. Cite the NXP UM10398 chapter 26 (Flash programming) for the decision matrix before any field deployment.
For SPI/SSP0 running at the full 25 MHz maximum clock, route SCK, MOSI, and MISO on the inner PCB layers over a continuous ground reference, and add 22-33 ohm series resistors at the SCK driver if the bus exceeds 25 mm. The Cortex-M0 GPIO has drive-strength switching that you can configure to 4 mA and 20 mA modes; use 4 mA on lines longer than 50 mm to limit edge ringing on the oscilloscope. Estimated: at 25 MHz, expect a 100 ps edge rate, so unmatched traces longer than 25 mm should be matched with a 50 ohm characteristic impedance. Cite NXP UM10398 chapter 11 peripheral electricals for the GPIO drive matrix.
규정 준수 정보
RoHS/REACH compliance per NXP product page; halogen-free by JEDEC JS709A. AEC-Q100 grade is not qualified for this part - for automotive applications, request the LPC1114LV versions specifically qualified to automotive spec under EOL.
