LPC2210FBD144/01 - ARM7TDMI-S 75MHz ROMless MCU 144-LQFP | NXP
N.º da peça: LPC2210FBD144/01 ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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 drop-in para LPC2210FBD144/01 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
LPC2220FBD144/01
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2210FBD144/01,5
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2210FBD144/01K
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2214FBD144/01
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2290FBD144/01
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2292FBD144/01
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC2210FBD144/01 Classificações máximas e características elétricas
| Core | ARM7TDMI-S (16/32-bit) |
| Maximum CPU Clock | 75 MHz |
| Program Memory | ROMless (external memory interface required) |
| Encapsulamento | 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 operação | -40C to +85C (industrial) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do LPC2210FBD144/01
| Pino 1 | P0.23/AD0.3 — GPIO P0.23 / external address-data bus AD0 bit 3 |
| Pino 2 | P0.24/AD0.4 — GPIO P0.24 / external address-data bus AD0 bit 4 |
| Pino 3 | P0.25/AD0.5 — GPIO P0.25 / external address-data bus AD0 bit 5 |
| Pino 4 | P0.26/AD0.6 — GPIO P0.26 / external address-data bus AD0 bit 6 |
| Pino 5 | P0.27/AD0.7 — GPIO P0.27 / external address-data bus AD0 bit 7 |
| Pino 6 | VSS — Ground |
| Pino 7 | P0.28/AD0.8 — GPIO P0.28 / external address-data bus AD0 bit 8 |
| Pino 8 | P0.29/AD0.9 — GPIO P0.29 / external address-data bus AD0 bit 9 |
| Pino 9 | P0.30/AD0.10 — GPIO P0.30 / external address-data bus AD0 bit 10 |
| Pino 10 | P0.31/AD0.11 — GPIO P0.31 / external address-data bus AD0 bit 11 |
| Pino 11 | VDD(1V8) — Core 1.8V supply |
| Pino 12 | P1.0/CS0 — GPIO P1.0 / external chip-select 0 (typically boot CS) |
| Pino 13 | P1.1/CS1 — GPIO P1.1 / external chip-select 1 |
| Pino 14 | P1.2/CS2 — GPIO P1.2 / external chip-select 2 |
| Pino 15 | P1.3/CS3 — GPIO P1.3 / external chip-select 3 |
| Pino 16 | P1.4/BLS0 — GPIO P1.4 / external byte-lane select 0 |
| Pino 17 | P1.5/BLS1 — GPIO P1.5 / external byte-lane select 1 |
| Pino 18 | P1.6/BOOT0 — GPIO P1.6 / boot-mode select 0 |
| Pino 19 | P1.7/BOOT1 — GPIO P1.7 / boot-mode select 1 |
| Pino 20 | P1.8/AIN0 — GPIO P1.8 / ADC analog input 0 |
| Pino 21 | P1.9/AIN1 — GPIO P1.9 / ADC analog input 1 |
| Pino 22 | P1.10/AIN2 — GPIO P1.10 / ADC analog input 2 |
| Pino 23 | P1.11/AIN3 — GPIO P1.11 / ADC analog input 3 |
| Pino 24 | VSS — Ground |
| Pino 25 | P1.12/AIN4 — GPIO P1.12 / ADC analog input 4 |
| Pino 26 | P1.13/AIN5 — GPIO P1.13 / ADC analog input 5 |
| Pino 27 | P1.14/AIN6 — GPIO P1.14 / ADC analog input 6 |
| Pino 28 | P1.15/AIN7 — GPIO P1.15 / ADC analog input 7 |
| Pino 29 | VREF — ADC voltage reference |
| Pino 30 | VDDA — Analog 3.3V supply |
| Pino 31 | VSSA — Analog ground |
| Pino 32 | P0.0/TXD0 — GPIO P0.0 / UART0 transmit |
| Pino 33 | P0.1/RXD0 — GPIO P0.1 / UART0 receive |
| Pino 34 | P0.2/SCL0 — GPIO P0.2 / I2C0 clock |
| Pino 35 | P0.3/SDA0 — GPIO P0.3 / I2C0 data |
| Pino 36 | P0.4/SCK0 — GPIO P0.4 / SPI0 clock |
| Pino 37 | P0.5/MISO0 — GPIO P0.5 / SPI0 MISO |
| Pino 38 | P0.6/MOSI0 — GPIO P0.6 / SPI0 MOSI |
| Pino 39 | P0.7/SSEL0 — GPIO P0.7 / SPI0 slave-select |
| Pino 40 | P0.8/TXD1 — GPIO P0.8 / UART1 transmit |
| Pino 41 | P0.9/RXD1 — GPIO P0.9 / UART1 receive |
| Pino 42 | P0.10/SCL1 — GPIO P0.10 / I2C1 clock |
| Pino 43 | P0.11/SDA1 — GPIO P0.11 / I2C1 data |
| Pino 44 | VSS — Ground |
| Pino 45 | VDD(3V3) — I/O 3.3V supply |
| Pino 46 | P0.12/USB_D+ — GPIO P0.12 / USB D+ |
| Pino 47 | P0.13/USB_D- — GPIO P0.13 / USB D- |
| Pino 48 | P0.14/EINT1 — GPIO P0.14 / external interrupt 1 |
| Pino 49 | P0.15/EINT2 — GPIO P0.15 / external interrupt 2 |
| Pino 50 | P0.16/CAP0.0 — GPIO P0.16 / Timer0 capture 0 |
| Pino 51 | P0.17/CAP0.1 — GPIO P0.17 / Timer0 capture 1 |
| Pino 52 | P0.18/CAP0.2 — GPIO P0.18 / Timer0 capture 2 |
| Pino 53 | P0.19/MAT0.0 — GPIO P0.19 / Timer0 match 0 (PWM) |
| Pino 54 | P0.20/MAT0.1 — GPIO P0.20 / Timer0 match 1 (PWM) |
| Pino 55 | P0.21/MAT0.2 — GPIO P0.21 / Timer0 match 2 (PWM) |
| Pino 56 | P0.22/MAT0.3 — GPIO P0.22 / Timer0 match 3 (PWM) |
| Pino 57 | VDD(1V8) — Core 1.8V supply |
| Pino 58 | VSS — Ground |
| Pino 59 | P2.0/D0 — GPIO P2.0 / external data bus D0 |
| Pino 60 | P2.1/D1 — GPIO P2.1 / external data bus D1 |
| Pino 61 | P2.2/D2 — GPIO P2.2 / external data bus D2 |
| Pino 62 | P2.3/D3 — GPIO P2.3 / external data bus D3 |
| Pino 63 | P2.4/D4 — GPIO P2.4 / external data bus D4 |
| Pino 64 | P2.5/D5 — GPIO P2.5 / external data bus D5 |
| Pino 65 | P2.6/D6 — GPIO P2.6 / external data bus D6 |
| Pino 66 | P2.7/D7 — GPIO P2.7 / external data bus D7 |
| Pino 67 | P2.8/D8 — GPIO P2.8 / external data bus D8 |
| Pino 68 | P2.9/D9 — GPIO P2.9 / external data bus D9 |
| Pino 69 | P2.10/D10 — GPIO P2.10 / external data bus D10 |
| Pino 70 | P2.11/D11 — GPIO P2.11 / external data bus D11 |
| Pino 71 | P2.12/D12 — GPIO P2.12 / external data bus D12 |
| Pino 72 | P2.13/D13 — GPIO P2.13 / external data bus D13 |
| Pino 73 | VSS — Ground |
| Pino 74 | P2.14/D14 — GPIO P2.14 / external data bus D14 |
| Pino 75 | P2.15/D15 — GPIO P2.15 / external data bus D15 |
| Pino 76 | P3.0/A0 — GPIO P3.0 / external address bus A0 |
| Pino 77 | P3.1/A1 — GPIO P3.1 / external address bus A1 |
| Pino 78 | P3.2/A2 — GPIO P3.2 / external address bus A2 |
| Pino 79 | P3.3/A3 — GPIO P3.3 / external address bus A3 |
| Pino 80 | P3.4/A4 — GPIO P3.4 / external address bus A4 |
| Pino 81 | P3.5/A5 — GPIO P3.5 / external address bus A5 |
| Pino 82 | P3.6/A6 — GPIO P3.6 / external address bus A6 |
| Pino 83 | P3.7/A7 — GPIO P3.7 / external address bus A7 |
| Pino 84 | P3.8/A8 — GPIO P3.8 / external address bus A8 |
| Pino 85 | P3.9/A9 — GPIO P3.9 / external address bus A9 |
| Pino 86 | P3.10/A10 — GPIO P3.10 / external address bus A10 |
| Pino 87 | P3.11/A11 — GPIO P3.11 / external address bus A11 |
| Pino 88 | P3.12/A12 — GPIO P3.12 / external address bus A12 |
| Pino 89 | P3.13/A13 — GPIO P3.13 / external address bus A13 |
| Pino 90 | VSS — Ground |
| Pino 91 | P3.14/A14 — GPIO P3.14 / external address bus A14 |
| Pino 92 | P3.15/A15 — GPIO P3.15 / external address bus A15 |
| Pino 93 | P3.16/A16 — GPIO P3.16 / external address bus A16 |
| Pino 94 | P3.17/A17 — GPIO P3.17 / external address bus A17 |
| Pino 95 | P3.18/A18 — GPIO P3.18 / external address bus A18 |
| Pino 96 | P3.19/A19 — GPIO P3.19 / external address bus A19 |
| Pino 97 | P3.20/A20 — GPIO P3.20 / external address bus A20 |
| Pino 98 | P3.21/A21 — GPIO P3.21 / external address bus A21 |
| Pino 99 | P3.22/A22 — GPIO P3.22 / external address bus A22 |
| Pino 100 | P3.23/A23 — GPIO P3.23 / external address bus A23 |
| Pino 101 | VDD(3V3) — I/O 3.3V supply |
| Pino 102 | P3.24/OE — GPIO P3.24 / external bus output-enable |
| Pino 103 | P3.25/WE — GPIO P3.25 / external bus write-enable |
| Pino 104 | P3.26/CS0 — GPIO P3.26 / external bus chip-select 0 (mirror) |
| Pino 105 | P3.27/CS1 — GPIO P3.27 / external bus chip-select 1 (mirror) |
| Pino 106 | P3.28/CS2 — GPIO P3.28 / external bus chip-select 2 (mirror) |
| Pino 107 | P3.29/CS3 — GPIO P3.29 / external bus chip-select 3 (mirror) |
| Pino 108 | P3.30/BLS0 — GPIO P3.30 / external bus byte-lane select 0 (mirror) |
| Pino 109 | P3.31/BLS1 — GPIO P3.31 / external bus byte-lane select 1 (mirror) |
| Pino 110 | XTAL1 — Crystal oscillator input (1-25 MHz) |
| Pino 111 | XTAL2 — Crystal oscillator output |
| Pino 112 | VSS — Ground |
| Pino 113 | RTCX1 — RTC crystal oscillator input (32.768 kHz) |
| Pino 114 | RTCX2 — RTC crystal oscillator output |
| Pino 115 | VBAT — RTC battery supply |
| Pino 116 | RSTOUT — Reset output (mirrors external reset) |
| Pino 117 | RESET — External reset input (active low) |
| Pino 118 | P1.16/ENET_RX_CLK — GPIO P1.16 / Ethernet reference (reserved on LPC2210, used on LPC229x) |
| Pino 119 | P1.17 — GPIO P1.17 |
| Pino 120 | P1.18/USB_UP_LED — GPIO P1.18 / USB GoodLink LED |
| Pino 121 | P1.19 — GPIO P1.19 |
| Pino 122 | P1.20/DCD1 — GPIO P1.20 / UART1 DCD (modem) |
| Pino 123 | P1.21/RI1 — GPIO P1.21 / UART1 RI (modem) |
| Pino 124 | P1.22/DSR1 — GPIO P1.22 / UART1 DSR (modem) |
| Pino 125 | P1.23/DTR1 — GPIO P1.23 / UART1 DTR (modem) |
| Pino 126 | P1.24/RTS1 — GPIO P1.24 / UART1 RTS (modem) |
| Pino 127 | P1.25/CTS1 — GPIO P1.25 / UART1 CTS (modem) |
| Pino 128 | P1.26 — GPIO P1.26 |
| Pino 129 | P1.27 — GPIO P1.27 |
| Pino 130 | P1.28 — GPIO P1.28 |
| Pino 131 | P1.29 — GPIO P1.29 |
| Pino 132 | P1.30 — GPIO P1.30 |
| Pino 133 | P1.31 — GPIO P1.31 |
| Pino 134 | VDD(1V8) — Core 1.8V supply |
| Pino 135 | VSS — Ground |
| Pino 136 | JTAG test clock — JTAG test clock |
| Pino 137 | TMS — JTAG test mode select |
| Pino 138 | TDI — JTAG test data in |
| Pino 139 | TDO — JTAG test data out |
| Pino 140 | TRST — JTAG test reset |
| Pino 141 | RTCK — JTAG return test clock |
| Pino 142 | VDD(3V3) — I/O 3.3V supply |
| Pino 143 | P0.0/DBGEN — GPIO / boundary-scan enable (alternate function) |
| Pino 144 | P0.1/INT0 — GPIO / external interrupt 0 (alternate function) |
Aplicações típicas
LPC2210FBD144/01 é adequado para 6 aplicaçãos: 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
Resumo dos produtos recomendados
Dados de referência de engenharia para LPC2210FBD144/01 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- ROMless design with full 16-bit external memory bus (vs LPC2214FBD144/01)
- Industrial -40C to +85C temperature grade with proven long-term supply (vs LPC2220FBD144/01)
- Pinned-out 10-bit ADC on dedicated pins (vs LPC2290FBD144/01)
Notas de projeto
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.
Informações de conformidade
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.
