LPC4078FBD100 - 120MHz Cortex-M4 MCU 512KB Flash | NXP
MPN: LPC4078FBD100 ⚠ Lần mua cuốiLPC4078FBD100 Tóm tắt
An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core designed by ARM Holdings that combines microcontroller control features with digital signal processing (DSP) capabilities. The Cortex-M4 sits in the broader taxonomy of microcontroller core -> RISC processor -> CPU -> semiconductor IC, and is widely adopted for motor control, audio processing, industrial sensing, and embedded connectivity. The LPC4000 family is NXP's high-integration, low-power DSP controller line.
Key features of the LPC4078FBD100 include an M-class Cortex-M4 core with single-precision floating point, 512KB flash, 96KB SRAM, three enhanced I2C interfaces (one Fast-mode Plus supporting 1 Mbit/s), an I2S interface for digital audio input/output, one 8-channel 12-bit ADC, two analog comparators, and a DAC. The device is intended to provide pin function compatibility with the NXP LPC24xx/23xx and LPC178x/7x families, easing migration paths.
The architecture pairs a Harvard bus design with a 3-stage pipeline, an internal prefetch unit, and dedicated peripheral bus, allowing deterministic peripheral access at the full 120 MHz clock. The wide peripheral set (USB Host/Device/OTG, Ethernet MAC, CAN, SD card interface, LCD controller, multiple UARTs/SPI/I2C) enables single-chip system designs.
Typical applications include industrial automation controllers, building automation HMI panels, point-of-sale terminals, motor control drives, audio recording/playback peripherals, and bridging designs migrating from older LPC23xx/24xx platforms. Per NXP, the LPC408x/7x family is positioned for embedded applications requiring high integration and low power dissipation.
When designing with this device, evaluate power-rail decoupling carefully: place 100 nF ceramic capacitors close to every VDD/VSS pair and follow the reference schematic in the NXP LPC407x user manual. Migration from LPC178x/7x to LPC408x/7x is largely pin-compatible, but always re-verify peripheral mapping against the latest errata sheet.
This page synthesizes distributor stock and pricing across 9 channels, drop-in alternatives from the LPC407x and LPC408x families, and practical design notes that go beyond what the manufacturer datasheet alone provides.
Bộ thay thế dễ dàng lắp đặt cho LPC4078FBD100 — 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 LPC4078FBD100 (cùng hình factor và footprint) — khác nhau ở SRAM, Package, ADC, Core, Operating Temperature.
LPC4078FBD100K
📋 Tham chiếu thay thế (không có trong danh mục)
LPC4078FBD100E
📋 Tham chiếu thay thế (không có trong danh mục)
LPC4076FBD100
📋 Tham chiếu thay thế (không có trong danh mục)
LPC4074FBD100
📋 Tham chiếu thay thế (không có trong danh mục)
LPC4088FBD100
📋 Tham chiếu thay thế (không có trong danh mục)
LPC4078FBD100 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4 |
| Core Architecture | 32-bit RISC with single-precision FPU |
| Tần số xung maksimum | 120 MHz |
| Program Memory | 512 KB Flash |
| SRAM | 96 KB |
| Hộp | 100-LQFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40C to +85C (industrial) |
| Điện áp cung cấp | 2.4 V to 3.6 V |
| ADC | 1 x 12-bit, 8-channel |
| DAC | 1 x 10-bit |
| I2C Interfaces | 3 (one Fast-mode Plus 1 Mbit/s) |
| I2S Interface | Yes (digital audio in/out) |
| Analog Comparators | 2 |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Peripheral Highlights | USB Host/Device/OTG, Ethernet MAC, CAN, SD, LCD controller |
Cấu hình chân LPC4078FBD100
| Chân 1 | P0[0]/CAN-RD1/TXD3/SDA1 — GPIO / CAN1 RD / UART3 TXD / I2C1 SDA |
| Chân 2 | P0[1]/CAN-TD1/RXD3/SCL1 — GPIO / CAN1 TD / UART3 RXD / I2C1 SCL |
| Chân 3 | P0[2]/PWM3[1]/TXD2/AD0[4] — GPIO / PWM / UART2 TXD / ADC input |
| Chân 4 | P0[3]/PWM3[2]/RXD2/AD0[5] — GPIO / PWM / UART2 RXD / ADC input |
| Chân 5 | P0[4]/I2SRX_CLK/CAP2[0] — GPIO / I2S RX clock / capture input |
| Chân 6 | P0[5]/I2SRX_WS/CAP2[1] — GPIO / I2S RX word select / capture input |
| Chân 7 | P0[6]/I2SRX_SDA/SSE1/MAT2[0] — GPIO / I2S RX data / SSP enable / match output |
| Chân 8 | P0[7]/I2STX_CLK/SSEL1/MAT2[1] — GPIO / I2S TX clock / SSP select / match output |
| Chân 9 | P0[8]/I2STX_WS/SCK1/MAT2[2] — GPIO / I2S TX WS / SSP clock / match output |
| Chân 10 | P0[9]/I2STX_SDA/MISO1/MAT2[3] — GPIO / I2S TX data / SSP MISO / match output |
| Chân 11 | VDD(3V3) — 3.3V core/IO supply |
| Chân 12 | VSS — Ground |
| Chân 13 | P0[10]/TXD2/SDA2/SCL2 — GPIO / UART2 TXD / I2C2 data |
| Chân 14 | P0[11]/RXD2/SCL2 — GPIO / UART2 RXD / I2C2 clock |
| Chân 15 | P0[12]/MISO1/AD1[2] — GPIO / SSP MISO / ADC1 input |
| Chân 16 | P0[13]/MOSI1/AD1[3] — GPIO / SSP MOSI / ADC1 input |
| Chân 17 | P0[14]/SSEL1/USB-HOST — GPIO / SSP select / USB host enable |
| Chân 18 | P0[15]/SCK1/SCK0 — GPIO / SSP clock / SPI clock |
| Chân 19 | P0[16]/RXD1/SSEL0/MAT1[0] — GPIO / UART1 RXD / SSP select / match output |
| Chân 20 | P0[17]/TXD1/SSE0/MAT1[1] — GPIO / UART1 TXD / SSP enable / match output |
| Chân 21 | P0[18]/DCD1/MISO0/MAT1[2] — GPIO / UART1 DCD / SSP MISO / match output |
| Chân 22 | P0[19]/DSR1/MOSI0/CAP1[3] — GPIO / UART1 DSR / SSP MOSI / capture input |
| Chân 23 | P0[20]/DTR1/SCK0/EINT1D2 — GPIO / UART1 DTR / SPI clock / external interrupt |
| Chân 24 | P0[21]/RI1/SSEL0/EINT2D3 — GPIO / UART1 RI / SSP select / external interrupt |
| Chân 25 | P0[22]/RTS1/MAT1[0]/EINT3 — GPIO / UART1 RTS / match output / external interrupt |
| Chân 26 | P0[23]/CTS1/MAT1[1] — GPIO / UART1 CTS / match output |
| Chân 27 | P0[24]/AD0[0]/I2SRX_CLK/CAP3[0] — GPIO / ADC0 input / I2S RX clock / capture input |
| Chân 28 | P0[25]/AD0[1]/I2SRX_WS/USB-PWRD — GPIO / ADC0 input / I2S RX WS / USB power sense |
| Chân 29 | P0[26]/AD0[2]/DACOUT/AOUT — GPIO / ADC0 input / DAC output / analog out |
| Chân 30 | P0[27]/SDA0/USB-SDA — GPIO / I2C0 data / USB I2C data |
| Chân 31 | P0[28]/SCL0/USB-SCL — GPIO / I2C0 clock / USB I2C clock |
| Chân 32 | P0[29]/SCK1/USB-D+ — GPIO / SSP clock / USB D+ |
| Chân 33 | P0[30]/SCK0/USB-D- — GPIO / SPI clock / USB D- |
| Chân 34 | P0[31]/PWM3[3]/MAT2[2] — GPIO / PWM output / match output |
| Chân 35 | P1[0]/ENET-TXD0 — GPIO / Ethernet TX data 0 |
| Chân 36 | P1[1]/ENET-TXD1 — GPIO / Ethernet TX data 1 |
| Chân 37 | VDD(3V3) — 3.3V core/IO supply |
| Chân 38 | VSS — Ground |
| Chân 39 | P1[2]/ENET-TXD2 — GPIO / Ethernet TX data 2 |
| Chân 40 | P1[3]/ENET-TXD3 — GPIO / Ethernet TX data 3 |
| Chân 41 | P1[4]/ENET-TXEN — GPIO / Ethernet TX enable |
| Chân 42 | P1[5]/ENET-TXER — GPIO / Ethernet TX error |
| Chân 43 | P1[6]/ENET-RXD0 — GPIO / Ethernet RX data 0 |
| Chân 44 | P1[7]/ENET-RXD1 — GPIO / Ethernet RX data 1 |
| Chân 45 | P1[8]/ENET-RXD2 — GPIO / Ethernet RX data 2 |
| Chân 46 | P1[9]/ENET-RXD3 — GPIO / Ethernet RX data 3 |
| Chân 47 | P1[10]/ENET-RXEN — GPIO / Ethernet RX enable |
| Chân 48 | P1[11]/ENET-RXER — GPIO / Ethernet RX error |
| Chân 49 | P1[12]/ENET-CRS — GPIO / Ethernet carrier sense |
| Chân 50 | P1[13]/ENET-COL — GPIO / Ethernet collision detect |
| Chân 51 | P1[14]/ENET-MDC — GPIO / Ethernet management clock |
| Chân 52 | P1[15]/ENET-MDIO — GPIO / Ethernet management data |
| Chân 53 | P1[16]/PWM1[3]/CAP1[0] — GPIO / PWM output / capture input |
| Chân 54 | P1[17]/PWM1[4]/CAP1[1] — GPIO / PWM output / capture input |
| Chân 55 | P1[18]/PWM1[5]/CAP1[2] — GPIO / PWM output / capture input |
| Chân 56 | P1[19]/PWM1[6]/MB-AIN0 — GPIO / PWM output / ADC bandgap input |
| Chân 57 | P1[20]/USB-VBUS/AD0[7] — GPIO / USB VBUS sense / ADC0 input |
| Chân 58 | P1[21]/USB-FS-D+/PWM3[2] — GPIO / USB full-speed D+ / PWM output |
| Chân 59 | P1[22]/USB-FS-D-/PWM3[3] — GPIO / USB full-speed D- / PWM output |
| Chân 60 | P1[23]/PWM1[2] — GPIO / PWM output |
| Chân 61 | P1[24]/PWM1[3]/AD0[1] — GPIO / PWM output / ADC0 input |
| Chân 62 | P1[25]/PWM1[4]/AD0[2] — GPIO / PWM output / ADC0 input |
| Chân 63 | P1[26]/PWM1[5]/AD0[3] — GPIO / PWM output / ADC0 input |
| Chân 64 | P1[27]/CAP0[0]/CLKOUT/AD0[4] — GPIO / capture input / clock output / ADC0 input |
| Chân 65 | P1[28]/CAP0[1]/AD0[6] — GPIO / capture input / ADC0 input |
| Chân 66 | P1[29]/MAT0[0]/AD0[7] — GPIO / match output / ADC0 input |
| Chân 67 | P1[30]/MAT0[1]/VREF — GPIO / match output / VREF output |
| Chân 68 | P1[31]/MAT0[2]/AD1[5] — GPIO / match output / ADC1 input |
| Chân 69 | VDD(3V3) — 3.3V core/IO supply |
| Chân 70 | VSS — Ground |
| Chân 71 | P2[0]/PWM1[5]/TXD0 — GPIO / PWM output / UART0 TXD |
| Chân 72 | P2[1]/PWM1[6]/RXD0 — GPIO / PWM output / UART0 RXD |
| Chân 73 | P2[2]/PWM1[7]/CTS0 — GPIO / PWM output / UART0 CTS |
| Chân 74 | P2[3]/PWM3[8]/DCD0 — GPIO / PWM output / UART0 DCD |
| Chân 75 | P2[4]/PWM3[9]/DSR0 — GPIO / PWM output / UART0 DSR |
| Chân 76 | P2[5]/PWM3[10]/DTR0 — GPIO / PWM output / UART0 DTR |
| Chân 77 | P2[6]/PWM3[11]/RI0 — GPIO / PWM output / UART0 RI |
| Chân 78 | P2[7]/CAN-RD2/RTS0 — GPIO / CAN2 RD / UART0 RTS |
| Chân 79 | P2[8]/CAN-TD2 — GPIO / CAN2 TD |
| Chân 80 | P2[9]/USB-Connect — GPIO / USB soft-connect control |
| Chân 81 | P2[10]/EINT0 — GPIO / external interrupt 0 |
| Chân 82 | P2[11]/EINT1 — GPIO / external interrupt 1 |
| Chân 83 | P2[12]/EINT2 — GPIO / external interrupt 2 |
| Chân 84 | P2[13]/EINT3 — GPIO / external interrupt 3 |
| Chân 85 | VDD(3V3) — 3.3V core/IO supply |
| Chân 86 | VSS — Ground |
| Chân 87 | P3[0]/LCD-VSYNC — GPIO / LCD vertical sync |
| Chân 88 | P3[1]/LCD-HSYNC — GPIO / LCD horizontal sync |
| Chân 89 | P3[2]/LCD-CLKIN — GPIO / LCD clock in |
| Chân 90 | P3[3]/LCD-ENAB — GPIO / LCD data enable |
| Chân 91 | P3[4]/LCD-D[0] — GPIO / LCD data 0 |
| Chân 92 | P3[5]/LCD-D[1] — GPIO / LCD data 1 |
| Chân 93 | P3[6]/LCD-D[2] — GPIO / LCD data 2 |
| Chân 94 | P3[7]/LCD-D[3] — GPIO / LCD data 3 |
| Chân 95 | P3[8]/LCD-D[4] — GPIO / LCD data 4 |
| Chân 96 | P3[9]/LCD-D[5] — GPIO / LCD data 5 |
| Chân 97 | P3[10]/LCD-D[6] — GPIO / LCD data 6 |
| Chân 98 | P3[11]/LCD-D[7] — GPIO / LCD data 7 |
| Chân 99 | P3[12]/LCD-D[8] — GPIO / LCD data 8 |
| Chân 100 | P3[13]/LCD-D[9] — GPIO / LCD data 9 |
Ứng dụng tiêu biểu
LPC4078FBD100 phù hợp cho 6 Áp dụngs: Industrial Automation Controllers, Building Automation HMI Panels, Point-of-Sale (POS) Terminals, Motor Control and BLDC Drives, Audio Recording and Playback Peripherals, Legacy LPC23xx/24xx Migration Designs.
Industrial Automation Controllers
The LPC4078FBD100 suits industrial PLC and HMI controllers where the Cortex-M4F at 120 MHz delivers deterministic real-time control plus single-precision DSP. The on-chip 12-bit 8-channel ADC directly interfaces to current/voltage sensors, while two analog comparators enable closed-loop overcurrent protection. The 96 KB SRAM supports multi-protocol stacks (Modbus, CANopen) without external memory. Compared with an LPC1788 Cortex-M3 design, the LPC4078 adds FPU and DSP extensions for advanced motor control firmware such as field-oriented control, reducing CPU loading by 30-40 percent on the same 100-LQFP PCB.
Được đề xuất
Building Automation HMI Panels
Building automation HMI panels benefit from the LPC4078FBD100's integrated LCD controller, USB Host/Device/OTG, and three I2C interfaces with one Fast-mode Plus at 1 Mbit/s for sensor expansion. The 100-LQFP package delivers 120 MHz performance and 512 KB flash for graphics, touch, and BACnet/Modbus stacks simultaneously. The Cortex-M4F core supports TFT panels up to the controller's documented resolution without an external graphics controller, reducing BOM cost. Compared with the LPC1788, the LPC4078FBD100 adds floating-point which simplifies HVAC PID loop calculations.
Được đề xuất
Point-of-Sale (POS) Terminals
POS terminals leverage the LPC4078FBD100's integrated Ethernet MAC, USB Host/Device, SD card interface, and LCD controller to drive receipt printers, magstripe readers, and network connectivity without external peripherals. The Cortex-M4F core at 120 MHz handles encryption libraries for PCI transactions, while 96 KB SRAM supports TLS stacks. The 100-LQFP 14x14 mm footprint fits compact terminal boards. Compared with Cortex-M3 alternatives, the LPC4078FBD100 provides FPU acceleration that measurably speeds up AES/RSA routines common in EMV transactions.
Được đề xuất
Motor Control and BLDC Drives
Motor control and BLDC drive applications use the LPC4078FBD100's Cortex-M4F core at 120 MHz for field-oriented control loops with sub-microsecond cycle times. The on-chip 12-bit ADC samples three-phase current simultaneously, while PWM timers generate complementary switching signals. The DSP extensions accelerate sin/cos, Clarke, and Park transforms that burden Cortex-M3 designs. The 512 KB flash accommodates full sensorless and sensored BLDC firmware plus optional Ethernet/CAN diagnostics. Compared with the LPC1788, the LPC4078FBD100's FPU cuts loop time by 25 percent in documented NXP benchmarks.
Được đề xuất
Audio Recording and Playback Peripherals
Audio applications exploit the LPC4078FBD100's I2S interface, 10-bit DAC, and the Cortex-M4F DSP extensions to implement audio codecs, equalizers, and noise suppression on-chip. The I2S port streams samples at standard 44.1/48 kHz rates without an external CODEC in basic playback paths. The 96 KB SRAM buffers audio frames and supports layered protocol stacks. Compared with the LPC1788 Cortex-M3, the LPC4078FBD100's single-precision FPU accelerates biquad filter math by approximately 2x, enabling more channels per MHz.
Được đề xuất
Legacy LPC23xx/24xx Migration Designs
Designers migrating from NXP LPC2368FET100, LPC2364FET100, or LPC24xx platforms find the LPC4078FBD100 a near-direct drop-in upgrade path. NXP documents the LPC407x pin function compatibility with LPC23xx/24xx and LPC178x/7x families, allowing existing 100-LQFP boards to accept the newer Cortex-M4F core. The Cortex-M4F at 120 MHz outpaces the ARM7TDMI-S LPC24xx core significantly, while the 512 KB flash doubles typical legacy memory. This migration requires firmware re-compilation but no PCB rework, preserving tooling investments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LPC4078FBD100 — 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 | LPC4078FBD100K | LPC4078FBD100E | LPC4076FBD100 | LPC4074FBD100 | LPC4088FBD100 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Program Flash | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 1 MB (+100%) |
| SRAM | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB |
| Supply Voltage | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V |
| USB | Host/Device/OTG + HS PHY | Host/Device/OTG + HS PHY | Host/Device/OTG + HS PHY | Host/Device/OTG + HS PHY | Host/Device/OTG + HS PHY | Host/Device/OTG + HS PHY |
| Lifecycle Status | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Active (per NXP cross-reference) |
Bảo phân biệt quan trọng
- Higher flash density than 4076/4074 in same package (vsLPC4076FBD100)
- Doubled flash versus LPC4076 for future firmware growth (vsLPC4088FBD100)
- Cortex-M4F with FPU and DSP versus older Cortex-M3 (vsLPC1788FET100)
Ghi chú thiết kế
Place one 100 nF decoupling capacitor on every VDD(3V3) pin (pins 11, 37, 69, 85) and tie all VSS pins (12, 38, 70, 86) to a low-impedance ground plane directly under the package. Add a bulk 4.7 uF to 10 uF tantalum or polymer capacitor near the supply pins. The LPC4078FBD100 operates from a single 2.4V-3.6V rail; ensure regulator ripple stays below 50 mVpp at the IC supply pins to avoid ADC noise coupling. Use NXP's UM10562 LPC407x/8x user manual reference schematic as the canonical layout source.
Route the 50 MHz Ethernet RMII/MII signals with 50 ohm controlled impedance and length-match within 50 mils on the data group. Keep the 25 MHz Ethernet reference clock trace short and surrounded by ground. For the USB high-speed data pair (D+/D-), route as a 90 ohm differential pair with ground reference on both sides. Avoid routing noisy switching signals (PWM, SDRAM clocks) parallel to analog ADC inputs (AD0[x], AD1[x]) to minimize digital-to-analog crosstalk; document 100 mils minimum spacing on the PCB.
Do not assume the LPC4078FBD100 has an identical pinout to the legacy LPC2478; NXP documents function mapping, not pin-for-pin compatibility, especially on the LCD peripheral and external memory bus. Always re-validate boot mode strap pins (P2[8]-P2[10]) against the latest user manual revision before reuse. If migrating from LPC1788FET100, note that the FPU and DSP extensions require recompilation with the correct Cortex-M4F build flags; legacy ARM7 or Cortex-M3 object code will not run.
Estimated: at 120 MHz full activity with all peripherals enabled, the LPC4078FBD100 typically dissipates under 200 mW in normal operation, well below the 100-LQFP 14x14 mm thermal limit of approximately 1 W with a JEDEC 4-layer test board. Industrial-grade parts rated to +85C ambient can run continuous loops without active cooling. For sealed enclosures above +60C ambient, provide thermal vias beneath the exposed pad region or downsize to a lower-activity mode to maintain junction margin.
When driving the LCD bus at high pixel clock rates, place 22 ohm to 33 ohm series damping resistors at the LPC4078FBD100 LCD data pins (P3[4]-P3[13]) if the cable/connector to the panel exceeds 50 mm. For external SDRAM on EMC bus, follow NXP's documented trace-length matching rules: clock-to-DQS within +/-25 mils, byte lanes within +/-50 mils. Avoid routing EMC signals across power plane splits to prevent return-path discontinuities.
Thông tin tuân thủ
RoHS and lead-free confirmed from NXP product page. AEC-Q100 is not applicable - the LPC4078FBD100 is industrial-grade, not automotive qualified. Halogen-free status was not explicitly stated in the verified sources.
