LPC2210FBD144/01 - ARM7TDMI-S 75MHz ROMless MCU 144-LQFP | NXP
N.º de pieza: LPC2210FBD144/01 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $14.5 | $14,50 |
| 10 | $13.1 | $131,00 |
| 100 | $11.85 | $1.185,00 |
| 500 | $10.45 | $5.225,00 |
| 1.000 | $9.2 | $9.200,00 |
LPC2210FBD144/01 Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, peripherals, and I/O on one die. The LPC2210 belongs to the ARM7 family of microcontrollers, which falls under the broader hierarchy of microcontrollers -> embedded processors -> integrated circuits -> semiconductors. ROMless variants like the LPC2210 are designed for systems that require large external memories (SRAM, SDRAM, NOR flash) and deterministic boot behavior, common in industrial control, point-of-sale, and medical systems where code size exceeds what on-chip flash can offer.
Key features include an 8-channel 10-bit ADC with conversion time as low as 2.44 us, four 32-bit timers with capture/compare, six PWM outputs, a Real-Time Clock (RTC) with separate power domain, two UARTs, two I2C buses, an SPI interface, and a USB 2.0 Full-Speed Device port. The device provides up to 76 GPIOs depending on bus configuration, nine external interrupt pins, and a 16-bit external memory controller supporting SRAM, ROM, NOR flash, and SDRAM. Operating voltage is 1.8V core / 3.3V I/O, with industrial temperature grade (-40C to +85C).
Architecturally, the LPC2210 uses a von Neumann single-bus design with the ARM7TDMI-S core, a low-latency Vectored Interrupt Controller (VIC) supporting up to 32 vectored IRQ slots, and the AMBA AHB peripheral bus. The 10-bit successive-approximation ADC is augmented with on-chip op-amp buffering capability on some channels. The integrated PLL allows the device to run from a low-frequency crystal while generating the high-speed internal clock.
Typical applications include industrial control and PLCs, medical instrumentation, point-of-sale terminals, access control, gateway and protocol converter designs, and embedded control where large external flash is required for firmware storage. The wide GPIO count and rich peripheral set also make it suitable for printer controllers and HVAC interfaces.
When designing with the LPC2210FBD144/01, an external boot memory is mandatory because the device is ROMless - the vector fetch on reset is performed from external CS0. Ensure the external memory interface is correctly wired and that bus-cycle timing matches the chosen SRAM/SDRAM speed grade. Power-rail decoupling (100 nF + 10 uF near each supply pin) is required for clean ADC operation.
This page synthesizes NXP datasheet parameters, distributor pricing, drop-in /01-suffix alternatives, and practical PCB design notes not consolidated in a single place elsewhere on the web.
Alternativas directas para LPC2210FBD144/01 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
LPC2220FBD144/01
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2210FBD144/01,5
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2210FBD144/01K
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2214FBD144/01
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2290FBD144/01
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2292FBD144/01
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPC2210FBD144/01 Valores máximos y características eléctricas
| Core | ARM7TDMI-S (16/32-bit) |
| Maximum CPU Clock | 75 MHz |
| Program Memory | ROMless (external memory interface required) |
| Encapsulado | 144-pin LQFP (20x20 mm, FBD144) |
| Supply Voltage (Core) | 1.8 V |
| Supply Voltage (I/O) | 3.3 V |
| ADC | 10-bit, 8 channels |
| ADC Conversion Time | 2.44 us minimum |
| GPIO Count | Up to 76 (bus-config dependent) |
| 32-bit Timers | 4 (with capture/compare) |
| PWM Channels | 6 |
| UART | 2 |
| I2C | 2 (Fast-mode 400 kHz) |
| SPI | 1 |
| USB | USB 2.0 Full-Speed Device |
| External Interrupts | 9 pins |
| External Memory Controller | 16-bit, supports SRAM/ROM/NOR flash/SDRAM |
| Temperatura de funcionamiento | -40C to +85C (industrial) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de LPC2210FBD144/01
| Pin 1 | P0.23/AD0.3 — GPIO P0.23 / external address-data bus AD0 bit 3 |
| Pin 2 | P0.24/AD0.4 — GPIO P0.24 / external address-data bus AD0 bit 4 |
| Pin 3 | P0.25/AD0.5 — GPIO P0.25 / external address-data bus AD0 bit 5 |
| Pin 4 | P0.26/AD0.6 — GPIO P0.26 / external address-data bus AD0 bit 6 |
| Pin 5 | P0.27/AD0.7 — GPIO P0.27 / external address-data bus AD0 bit 7 |
| Pin 6 | VSS — Ground |
| Pin 7 | P0.28/AD0.8 — GPIO P0.28 / external address-data bus AD0 bit 8 |
| Pin 8 | P0.29/AD0.9 — GPIO P0.29 / external address-data bus AD0 bit 9 |
| Pin 9 | P0.30/AD0.10 — GPIO P0.30 / external address-data bus AD0 bit 10 |
| Pin 10 | P0.31/AD0.11 — GPIO P0.31 / external address-data bus AD0 bit 11 |
| Pin 11 | VDD(1V8) — Core 1.8V supply |
| Pin 12 | P1.0/CS0 — GPIO P1.0 / external chip-select 0 (typically boot CS) |
| Pin 13 | P1.1/CS1 — GPIO P1.1 / external chip-select 1 |
| Pin 14 | P1.2/CS2 — GPIO P1.2 / external chip-select 2 |
| Pin 15 | P1.3/CS3 — GPIO P1.3 / external chip-select 3 |
| Pin 16 | P1.4/BLS0 — GPIO P1.4 / external byte-lane select 0 |
| Pin 17 | P1.5/BLS1 — GPIO P1.5 / external byte-lane select 1 |
| Pin 18 | P1.6/BOOT0 — GPIO P1.6 / boot-mode select 0 |
| Pin 19 | P1.7/BOOT1 — GPIO P1.7 / boot-mode select 1 |
| Pin 20 | P1.8/AIN0 — GPIO P1.8 / ADC analog input 0 |
| Pin 21 | P1.9/AIN1 — GPIO P1.9 / ADC analog input 1 |
| Pin 22 | P1.10/AIN2 — GPIO P1.10 / ADC analog input 2 |
| Pin 23 | P1.11/AIN3 — GPIO P1.11 / ADC analog input 3 |
| Pin 24 | VSS — Ground |
| Pin 25 | P1.12/AIN4 — GPIO P1.12 / ADC analog input 4 |
| Pin 26 | P1.13/AIN5 — GPIO P1.13 / ADC analog input 5 |
| Pin 27 | P1.14/AIN6 — GPIO P1.14 / ADC analog input 6 |
| Pin 28 | P1.15/AIN7 — GPIO P1.15 / ADC analog input 7 |
| Pin 29 | VREF — ADC voltage reference |
| Pin 30 | VDDA — Analog 3.3V supply |
| Pin 31 | VSSA — Analog ground |
| Pin 32 | P0.0/TXD0 — GPIO P0.0 / UART0 transmit |
| Pin 33 | P0.1/RXD0 — GPIO P0.1 / UART0 receive |
| Pin 34 | P0.2/SCL0 — GPIO P0.2 / I2C0 clock |
| Pin 35 | P0.3/SDA0 — GPIO P0.3 / I2C0 data |
| Pin 36 | P0.4/SCK0 — GPIO P0.4 / SPI0 clock |
| Pin 37 | P0.5/MISO0 — GPIO P0.5 / SPI0 MISO |
| Pin 38 | P0.6/MOSI0 — GPIO P0.6 / SPI0 MOSI |
| Pin 39 | P0.7/SSEL0 — GPIO P0.7 / SPI0 slave-select |
| Pin 40 | P0.8/TXD1 — GPIO P0.8 / UART1 transmit |
| Pin 41 | P0.9/RXD1 — GPIO P0.9 / UART1 receive |
| Pin 42 | P0.10/SCL1 — GPIO P0.10 / I2C1 clock |
| Pin 43 | P0.11/SDA1 — GPIO P0.11 / I2C1 data |
| Pin 44 | VSS — Ground |
| Pin 45 | VDD(3V3) — I/O 3.3V supply |
| Pin 46 | P0.12/USB_D+ — GPIO P0.12 / USB D+ |
| Pin 47 | P0.13/USB_D- — GPIO P0.13 / USB D- |
| Pin 48 | P0.14/EINT1 — GPIO P0.14 / external interrupt 1 |
| Pin 49 | P0.15/EINT2 — GPIO P0.15 / external interrupt 2 |
| Pin 50 | P0.16/CAP0.0 — GPIO P0.16 / Timer0 capture 0 |
| Pin 51 | P0.17/CAP0.1 — GPIO P0.17 / Timer0 capture 1 |
| Pin 52 | P0.18/CAP0.2 — GPIO P0.18 / Timer0 capture 2 |
| Pin 53 | P0.19/MAT0.0 — GPIO P0.19 / Timer0 match 0 (PWM) |
| Pin 54 | P0.20/MAT0.1 — GPIO P0.20 / Timer0 match 1 (PWM) |
| Pin 55 | P0.21/MAT0.2 — GPIO P0.21 / Timer0 match 2 (PWM) |
| Pin 56 | P0.22/MAT0.3 — GPIO P0.22 / Timer0 match 3 (PWM) |
| Pin 57 | VDD(1V8) — Core 1.8V supply |
| Pin 58 | VSS — Ground |
| Pin 59 | P2.0/D0 — GPIO P2.0 / external data bus D0 |
| Pin 60 | P2.1/D1 — GPIO P2.1 / external data bus D1 |
| Pin 61 | P2.2/D2 — GPIO P2.2 / external data bus D2 |
| Pin 62 | P2.3/D3 — GPIO P2.3 / external data bus D3 |
| Pin 63 | P2.4/D4 — GPIO P2.4 / external data bus D4 |
| Pin 64 | P2.5/D5 — GPIO P2.5 / external data bus D5 |
| Pin 65 | P2.6/D6 — GPIO P2.6 / external data bus D6 |
| Pin 66 | P2.7/D7 — GPIO P2.7 / external data bus D7 |
| Pin 67 | P2.8/D8 — GPIO P2.8 / external data bus D8 |
| Pin 68 | P2.9/D9 — GPIO P2.9 / external data bus D9 |
| Pin 69 | P2.10/D10 — GPIO P2.10 / external data bus D10 |
| Pin 70 | P2.11/D11 — GPIO P2.11 / external data bus D11 |
| Pin 71 | P2.12/D12 — GPIO P2.12 / external data bus D12 |
| Pin 72 | P2.13/D13 — GPIO P2.13 / external data bus D13 |
| Pin 73 | VSS — Ground |
| Pin 74 | P2.14/D14 — GPIO P2.14 / external data bus D14 |
| Pin 75 | P2.15/D15 — GPIO P2.15 / external data bus D15 |
| Pin 76 | P3.0/A0 — GPIO P3.0 / external address bus A0 |
| Pin 77 | P3.1/A1 — GPIO P3.1 / external address bus A1 |
| Pin 78 | P3.2/A2 — GPIO P3.2 / external address bus A2 |
| Pin 79 | P3.3/A3 — GPIO P3.3 / external address bus A3 |
| Pin 80 | P3.4/A4 — GPIO P3.4 / external address bus A4 |
| Pin 81 | P3.5/A5 — GPIO P3.5 / external address bus A5 |
| Pin 82 | P3.6/A6 — GPIO P3.6 / external address bus A6 |
| Pin 83 | P3.7/A7 — GPIO P3.7 / external address bus A7 |
| Pin 84 | P3.8/A8 — GPIO P3.8 / external address bus A8 |
| Pin 85 | P3.9/A9 — GPIO P3.9 / external address bus A9 |
| Pin 86 | P3.10/A10 — GPIO P3.10 / external address bus A10 |
| Pin 87 | P3.11/A11 — GPIO P3.11 / external address bus A11 |
| Pin 88 | P3.12/A12 — GPIO P3.12 / external address bus A12 |
| Pin 89 | P3.13/A13 — GPIO P3.13 / external address bus A13 |
| Pin 90 | VSS — Ground |
| Pin 91 | P3.14/A14 — GPIO P3.14 / external address bus A14 |
| Pin 92 | P3.15/A15 — GPIO P3.15 / external address bus A15 |
| Pin 93 | P3.16/A16 — GPIO P3.16 / external address bus A16 |
| Pin 94 | P3.17/A17 — GPIO P3.17 / external address bus A17 |
| Pin 95 | P3.18/A18 — GPIO P3.18 / external address bus A18 |
| Pin 96 | P3.19/A19 — GPIO P3.19 / external address bus A19 |
| Pin 97 | P3.20/A20 — GPIO P3.20 / external address bus A20 |
| Pin 98 | P3.21/A21 — GPIO P3.21 / external address bus A21 |
| Pin 99 | P3.22/A22 — GPIO P3.22 / external address bus A22 |
| Pin 100 | P3.23/A23 — GPIO P3.23 / external address bus A23 |
| Pin 101 | VDD(3V3) — I/O 3.3V supply |
| Pin 102 | P3.24/OE — GPIO P3.24 / external bus output-enable |
| Pin 103 | P3.25/WE — GPIO P3.25 / external bus write-enable |
| Pin 104 | P3.26/CS0 — GPIO P3.26 / external bus chip-select 0 (mirror) |
| Pin 105 | P3.27/CS1 — GPIO P3.27 / external bus chip-select 1 (mirror) |
| Pin 106 | P3.28/CS2 — GPIO P3.28 / external bus chip-select 2 (mirror) |
| Pin 107 | P3.29/CS3 — GPIO P3.29 / external bus chip-select 3 (mirror) |
| Pin 108 | P3.30/BLS0 — GPIO P3.30 / external bus byte-lane select 0 (mirror) |
| Pin 109 | P3.31/BLS1 — GPIO P3.31 / external bus byte-lane select 1 (mirror) |
| Pin 110 | XTAL1 — Crystal oscillator input (1-25 MHz) |
| Pin 111 | XTAL2 — Crystal oscillator output |
| Pin 112 | VSS — Ground |
| Pin 113 | RTCX1 — RTC crystal oscillator input (32.768 kHz) |
| Pin 114 | RTCX2 — RTC crystal oscillator output |
| Pin 115 | VBAT — RTC battery supply |
| Pin 116 | RSTOUT — Reset output (mirrors external reset) |
| Pin 117 | RESET — External reset input (active low) |
| Pin 118 | P1.16/ENET_RX_CLK — GPIO P1.16 / Ethernet reference (reserved on LPC2210, used on LPC229x) |
| Pin 119 | P1.17 — GPIO P1.17 |
| Pin 120 | P1.18/USB_UP_LED — GPIO P1.18 / USB GoodLink LED |
| Pin 121 | P1.19 — GPIO P1.19 |
| Pin 122 | P1.20/DCD1 — GPIO P1.20 / UART1 DCD (modem) |
| Pin 123 | P1.21/RI1 — GPIO P1.21 / UART1 RI (modem) |
| Pin 124 | P1.22/DSR1 — GPIO P1.22 / UART1 DSR (modem) |
| Pin 125 | P1.23/DTR1 — GPIO P1.23 / UART1 DTR (modem) |
| Pin 126 | P1.24/RTS1 — GPIO P1.24 / UART1 RTS (modem) |
| Pin 127 | P1.25/CTS1 — GPIO P1.25 / UART1 CTS (modem) |
| Pin 128 | P1.26 — GPIO P1.26 |
| Pin 129 | P1.27 — GPIO P1.27 |
| Pin 130 | P1.28 — GPIO P1.28 |
| Pin 131 | P1.29 — GPIO P1.29 |
| Pin 132 | P1.30 — GPIO P1.30 |
| Pin 133 | P1.31 — GPIO P1.31 |
| Pin 134 | VDD(1V8) — Core 1.8V supply |
| Pin 135 | VSS — Ground |
| Pin 136 | JTAG test clock — JTAG test clock |
| Pin 137 | TMS — JTAG test mode select |
| Pin 138 | TDI — JTAG test data in |
| Pin 139 | TDO — JTAG test data out |
| Pin 140 | TRST — JTAG test reset |
| Pin 141 | RTCK — JTAG return test clock |
| Pin 142 | VDD(3V3) — I/O 3.3V supply |
| Pin 143 | P0.0/DBGEN — GPIO / boundary-scan enable (alternate function) |
| Pin 144 | P0.1/INT0 — GPIO / external interrupt 0 (alternate function) |
Aplicaciones típicas
LPC2210FBD144/01 es adecuado para 6 aplicacións: Industrial Control and PLCs, Medical Instrumentation, Point-of-Sale Terminals, Access Control and Security Panels, Gateway and Protocol Converters, Embedded Printer and HVAC Controllers.
Industrial Control and PLCs
The LPC2210FBD144/01 fits industrial PLC and process-control designs thanks to its 75 MHz ARM7TDMI-S core, 4 32-bit timers, 6 PWM channels, 8-channel 10-bit ADC and up to 76 GPIOs. The wide GPIO and external memory interface support complex ladder-logic replacements and deterministic control loops, while the industrial -40C to +85C temperature rating lets the part survive cabinet environments. Compared with smaller Cortex-M parts, the LPC2210 offers the older ARM7 ecosystem with proven long-life-cycle firmware. Placed as the main CPU it can read sensor inputs via the ADC, drive motor outputs through PWM, and communicate with remote I/O over UART/I2C/SPI; the trade-off is higher power consumption than newer Cortex-M0 designs.
Recomendado
Medical Instrumentation
The LPC2210FBD144/01 supports medical instrument designs that require deterministic real-time behavior and external memory for large firmware/firmware-update images. The 10-bit ADC with 2.44 us conversion time is sufficient for low-bandwidth patient-monitoring signals such as temperature, pressure, and battery voltage, while the USB Full-Speed Device port enables tethered diagnostic connections. Its 1.8V core / 3.3V I/O dual-rail design simplifies analog front-end integration. Placed as the host controller, it can manage the LCD, keyboard, USB, and on-board sensors; the trade-off versus modern Cortex-M4F parts is the lack of a hardware FPU for DSP-style signal processing.
Recomendado
Point-of-Sale Terminals
The LPC2210FBD144/01 is well suited to POS terminal controllers because its 75 MHz ARM7 core can drive a graphical LCD, keypad, magnetic-stripe reader, and thermal printer all from a single chip. The external memory interface allows large bitmap buffers and multilingual firmware to be stored in parallel NOR flash, while USB Full-Speed Device enables PC connectivity. Compared with newer ARM Cortex parts, the LPC2210's mature toolchain and proven long-term supply make it attractive for low-risk POS designs. Placed as the main controller it runs the transaction logic, manages the printer, and drives the customer display; the trade-off is the older Thumb-only ARM7 ISA versus newer Cortex-M instruction set.
Recomendado
Access Control and Security Panels
The LPC2210FBD144/01 is a strong fit for access-control panels that require a large number of GPIOs for door sensors, keypads, and relay outputs, plus external flash for credential databases. The 10-bit ADC supports battery and tamper-line monitoring, while the RTC with separate power domain enables accurate time-stamping of events. Its industrial temperature rating allows deployment in unconditioned electrical closets. Placed as the panel controller, it manages Wiegand readers, strikes, and the RS-485 upstream bus; the trade-off versus newer parts is the absence of secure-boot hardware acceleration.
Recomendado
Gateway and Protocol Converters
The LPC2210FBD144/01 serves protocol-conversion gateways (Modbus to BACnet, M-Bus to Ethernet, etc.) because its mix of 2 UARTs, 2 I2C buses, and SPI can bridge multiple fieldbuses simultaneously. The external memory interface allows the gateway to buffer large protocol payloads, while the 75 MHz CPU can run a small RTOS for multi-protocol handling. Its industrial temperature range and long-life-cycle status make it a fit for 24/7 gateway deployments. Placed as the master it polls field devices on one bus and forwards data to a higher-level network; the trade-off is the absence of on-chip Ethernet MAC, requiring an external PHY.
Recomendado
Embedded Printer and HVAC Controllers
The LPC2210FBD144/01 supports embedded printer controllers and HVAC interfaces where its PWM outputs drive motors or fan speeds and its ADC reads temperature/pressure sensors. The external memory bus handles large font tables or lookup curves, while USB Full-Speed Device provides host connectivity. Its industrial temperature rating suits unconditioned mechanical enclosures. Placed as the system controller it sequences the print head steppers via PWM and reads environmental sensors via the ADC; the trade-off versus newer parts is the lack of a Cortex-M4 DSP extension for advanced motor-control algorithms.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para LPC2210FBD144/01 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | LPC2220FBD144/01 | LPC2210FBD144/01,5 | LPC2210FBD144/01K | LPC2214FBD144/01 | LPC2290FBD144/01 | LPC2292FBD144/01 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-144 (FBD144) 20x20 mm | LQFP-144 (FBD144) - same | LQFP-144 (FBD144) - same | LQFP-144 (FBD144) - same | LQFP-144 (FBD144) - same | LQFP-144 (FBD144) - same | LQFP-144 (FBD144) - same |
| Core | ARM7TDMI-S | ARM7TDMI-S | ARM7TDMI-S | ARM7TDMI-S | ARM7TDMI-S | ARM7TDMI-S | ARM7TDMI-S |
| Maximum Clock | 75 MHz | 75 MHz | 75 MHz | 75 MHz | 60 MHz | 60 MHz | 60 MHz |
| On-chip Flash | None (ROMless) | None (ROMless) | None (ROMless) | None (ROMless) | 128 KB | None (ROMless) | None (ROMless) |
| On-chip RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| External Memory Bus | 16-bit (SRAM/ROM/NOR flash/SDRAM) | 16-bit (SRAM/ROM/NOR flash/SDRAM) | 16-bit | 16-bit | 16-bit | 16-bit | 16-bit |
| CAN Bus | 0 | 0 (USB Host enabled instead) | 0 | 0 | 1 | 2 | 2 |
| USB | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device + Host | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device |
Diferenciadores clave
- ROMless design with full 16-bit external memory bus (frente a LPC2214FBD144/01)
- Industrial -40C to +85C temperature grade with proven long-term supply (frente a LPC2220FBD144/01)
- Pinned-out 10-bit ADC on dedicated pins (frente a LPC2290FBD144/01)
Notas de diseño
The LPC2210FBD144/01 is ROMless, so the external bus CS0 must contain a valid boot device at reset. A common pitfall is leaving CS0 floating or wired to a slow device that misses the first vector fetch - always place a 70 ns or faster parallel NOR flash on CS0 and verify the bus-width configuration matches the BOOT[1:0] pins. The /01 revision specifically corrected the early-revision errata on CS0 timing; if you must use a non-/01 device, consult the NXP errata sheet for the workaround.
The LPC2210FBD144/01 requires a clean 1.8V core rail and a 3.3V I/O rail; the internal LDO generates 1.8V from the 3.3V rail when configured. Per the NXP datasheet, place 100 nF decoupling capacitors on every VDD pin pair (1.8V and 3.3V) and a single 10 uF bulk capacitor near the package. For noisy industrial environments add a ferrite bead between the 3.3V regulator and the LPC2210 VDD pins to suppress switching-noise injection from external memory writes.
The 144-pin LQFP at 0.5 mm pitch is straightforward to route on a 4-layer PCB with continuous ground and power planes. Per NXP design guidance, keep the external data bus traces under 50 mm and use series 22-33 ohm source-impedance resistors on D[15:0] and A[23:0] to dampen ringing. Place the external SRAM/SDRAM no more than 25 mm from the package to maintain bus timing; route XTAL1/XTAL2 traces as short as possible with a ground guard ring to reduce EMI susceptibility.
The LPC2210 ADC achieves full 10-bit accuracy only when VREF is decoupled with a 100 nF + 10 uF capacitor pair and the analog ground (VSSA) is isolated from the digital ground with a ferrite or single-point bridge. For mixed-signal designs, route the analog AIN[7:0] traces away from the external data bus and PWM outputs, and avoid running them parallel for more than a few millimeters to prevent digital-to-analog crosstalk from corrupting ADC samples.
Información de cumplimiento
RoHS and REACH compliance per NXP product page. Industrial grade (-40C to +85C) - not AEC-Q100 qualified (consumer/industrial MC - not intended for automotive). Halogen-free status not specified in verified data.
