LPC2210FBD144/01 - ARM7TDMI-S 75MHz ROMless MCU 144-LQFP | NXP
料号： LPC2210FBD144/01 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： LPC2210FBD144/01 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
LPC2220FBD144/01
✅ 直接替换📋 参考替代料（不在目录中）
LPC2210FBD144/01,5
✅ 直接替换📋 参考替代料（不在目录中）
LPC2210FBD144/01K
✅ 直接替换📋 参考替代料（不在目录中）
LPC2214FBD144/01
✅ 直接替换📋 参考替代料（不在目录中）
LPC2290FBD144/01
✅ 直接替换📋 参考替代料（不在目录中）
LPC2292FBD144/01
✅ 直接替换📋 参考替代料（不在目录中）
LPC2210FBD144/01 最大额定值与电气特性
| Core | ARM7TDMI-S (16/32-bit) |
| Maximum CPU Clock | 75 MHz |
| Program Memory | ROMless (external memory interface required) |
| 封装 | 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 |
| 工作温度 | -40C to +85C (industrial) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
LPC2210FBD144/01 引脚配置
| 引脚 1 | P0.23/AD0.3 — GPIO P0.23 / external address-data bus AD0 bit 3 |
| 引脚 2 | P0.24/AD0.4 — GPIO P0.24 / external address-data bus AD0 bit 4 |
| 引脚 3 | P0.25/AD0.5 — GPIO P0.25 / external address-data bus AD0 bit 5 |
| 引脚 4 | P0.26/AD0.6 — GPIO P0.26 / external address-data bus AD0 bit 6 |
| 引脚 5 | P0.27/AD0.7 — GPIO P0.27 / external address-data bus AD0 bit 7 |
| 引脚 6 | VSS — Ground |
| 引脚 7 | P0.28/AD0.8 — GPIO P0.28 / external address-data bus AD0 bit 8 |
| 引脚 8 | P0.29/AD0.9 — GPIO P0.29 / external address-data bus AD0 bit 9 |
| 引脚 9 | P0.30/AD0.10 — GPIO P0.30 / external address-data bus AD0 bit 10 |
| 引脚 10 | P0.31/AD0.11 — GPIO P0.31 / external address-data bus AD0 bit 11 |
| 引脚 11 | VDD(1V8) — Core 1.8V supply |
| 引脚 12 | P1.0/CS0 — GPIO P1.0 / external chip-select 0 (typically boot CS) |
| 引脚 13 | P1.1/CS1 — GPIO P1.1 / external chip-select 1 |
| 引脚 14 | P1.2/CS2 — GPIO P1.2 / external chip-select 2 |
| 引脚 15 | P1.3/CS3 — GPIO P1.3 / external chip-select 3 |
| 引脚 16 | P1.4/BLS0 — GPIO P1.4 / external byte-lane select 0 |
| 引脚 17 | P1.5/BLS1 — GPIO P1.5 / external byte-lane select 1 |
| 引脚 18 | P1.6/BOOT0 — GPIO P1.6 / boot-mode select 0 |
| 引脚 19 | P1.7/BOOT1 — GPIO P1.7 / boot-mode select 1 |
| 引脚 20 | P1.8/AIN0 — GPIO P1.8 / ADC analog input 0 |
| 引脚 21 | P1.9/AIN1 — GPIO P1.9 / ADC analog input 1 |
| 引脚 22 | P1.10/AIN2 — GPIO P1.10 / ADC analog input 2 |
| 引脚 23 | P1.11/AIN3 — GPIO P1.11 / ADC analog input 3 |
| 引脚 24 | VSS — Ground |
| 引脚 25 | P1.12/AIN4 — GPIO P1.12 / ADC analog input 4 |
| 引脚 26 | P1.13/AIN5 — GPIO P1.13 / ADC analog input 5 |
| 引脚 27 | P1.14/AIN6 — GPIO P1.14 / ADC analog input 6 |
| 引脚 28 | P1.15/AIN7 — GPIO P1.15 / ADC analog input 7 |
| 引脚 29 | VREF — ADC voltage reference |
| 引脚 30 | VDDA — Analog 3.3V supply |
| 引脚 31 | VSSA — Analog ground |
| 引脚 32 | P0.0/TXD0 — GPIO P0.0 / UART0 transmit |
| 引脚 33 | P0.1/RXD0 — GPIO P0.1 / UART0 receive |
| 引脚 34 | P0.2/SCL0 — GPIO P0.2 / I2C0 clock |
| 引脚 35 | P0.3/SDA0 — GPIO P0.3 / I2C0 data |
| 引脚 36 | P0.4/SCK0 — GPIO P0.4 / SPI0 clock |
| 引脚 37 | P0.5/MISO0 — GPIO P0.5 / SPI0 MISO |
| 引脚 38 | P0.6/MOSI0 — GPIO P0.6 / SPI0 MOSI |
| 引脚 39 | P0.7/SSEL0 — GPIO P0.7 / SPI0 slave-select |
| 引脚 40 | P0.8/TXD1 — GPIO P0.8 / UART1 transmit |
| 引脚 41 | P0.9/RXD1 — GPIO P0.9 / UART1 receive |
| 引脚 42 | P0.10/SCL1 — GPIO P0.10 / I2C1 clock |
| 引脚 43 | P0.11/SDA1 — GPIO P0.11 / I2C1 data |
| 引脚 44 | VSS — Ground |
| 引脚 45 | VDD(3V3) — I/O 3.3V supply |
| 引脚 46 | P0.12/USB_D+ — GPIO P0.12 / USB D+ |
| 引脚 47 | P0.13/USB_D- — GPIO P0.13 / USB D- |
| 引脚 48 | P0.14/EINT1 — GPIO P0.14 / external interrupt 1 |
| 引脚 49 | P0.15/EINT2 — GPIO P0.15 / external interrupt 2 |
| 引脚 50 | P0.16/CAP0.0 — GPIO P0.16 / Timer0 capture 0 |
| 引脚 51 | P0.17/CAP0.1 — GPIO P0.17 / Timer0 capture 1 |
| 引脚 52 | P0.18/CAP0.2 — GPIO P0.18 / Timer0 capture 2 |
| 引脚 53 | P0.19/MAT0.0 — GPIO P0.19 / Timer0 match 0 (PWM) |
| 引脚 54 | P0.20/MAT0.1 — GPIO P0.20 / Timer0 match 1 (PWM) |
| 引脚 55 | P0.21/MAT0.2 — GPIO P0.21 / Timer0 match 2 (PWM) |
| 引脚 56 | P0.22/MAT0.3 — GPIO P0.22 / Timer0 match 3 (PWM) |
| 引脚 57 | VDD(1V8) — Core 1.8V supply |
| 引脚 58 | VSS — Ground |
| 引脚 59 | P2.0/D0 — GPIO P2.0 / external data bus D0 |
| 引脚 60 | P2.1/D1 — GPIO P2.1 / external data bus D1 |
| 引脚 61 | P2.2/D2 — GPIO P2.2 / external data bus D2 |
| 引脚 62 | P2.3/D3 — GPIO P2.3 / external data bus D3 |
| 引脚 63 | P2.4/D4 — GPIO P2.4 / external data bus D4 |
| 引脚 64 | P2.5/D5 — GPIO P2.5 / external data bus D5 |
| 引脚 65 | P2.6/D6 — GPIO P2.6 / external data bus D6 |
| 引脚 66 | P2.7/D7 — GPIO P2.7 / external data bus D7 |
| 引脚 67 | P2.8/D8 — GPIO P2.8 / external data bus D8 |
| 引脚 68 | P2.9/D9 — GPIO P2.9 / external data bus D9 |
| 引脚 69 | P2.10/D10 — GPIO P2.10 / external data bus D10 |
| 引脚 70 | P2.11/D11 — GPIO P2.11 / external data bus D11 |
| 引脚 71 | P2.12/D12 — GPIO P2.12 / external data bus D12 |
| 引脚 72 | P2.13/D13 — GPIO P2.13 / external data bus D13 |
| 引脚 73 | VSS — Ground |
| 引脚 74 | P2.14/D14 — GPIO P2.14 / external data bus D14 |
| 引脚 75 | P2.15/D15 — GPIO P2.15 / external data bus D15 |
| 引脚 76 | P3.0/A0 — GPIO P3.0 / external address bus A0 |
| 引脚 77 | P3.1/A1 — GPIO P3.1 / external address bus A1 |
| 引脚 78 | P3.2/A2 — GPIO P3.2 / external address bus A2 |
| 引脚 79 | P3.3/A3 — GPIO P3.3 / external address bus A3 |
| 引脚 80 | P3.4/A4 — GPIO P3.4 / external address bus A4 |
| 引脚 81 | P3.5/A5 — GPIO P3.5 / external address bus A5 |
| 引脚 82 | P3.6/A6 — GPIO P3.6 / external address bus A6 |
| 引脚 83 | P3.7/A7 — GPIO P3.7 / external address bus A7 |
| 引脚 84 | P3.8/A8 — GPIO P3.8 / external address bus A8 |
| 引脚 85 | P3.9/A9 — GPIO P3.9 / external address bus A9 |
| 引脚 86 | P3.10/A10 — GPIO P3.10 / external address bus A10 |
| 引脚 87 | P3.11/A11 — GPIO P3.11 / external address bus A11 |
| 引脚 88 | P3.12/A12 — GPIO P3.12 / external address bus A12 |
| 引脚 89 | P3.13/A13 — GPIO P3.13 / external address bus A13 |
| 引脚 90 | VSS — Ground |
| 引脚 91 | P3.14/A14 — GPIO P3.14 / external address bus A14 |
| 引脚 92 | P3.15/A15 — GPIO P3.15 / external address bus A15 |
| 引脚 93 | P3.16/A16 — GPIO P3.16 / external address bus A16 |
| 引脚 94 | P3.17/A17 — GPIO P3.17 / external address bus A17 |
| 引脚 95 | P3.18/A18 — GPIO P3.18 / external address bus A18 |
| 引脚 96 | P3.19/A19 — GPIO P3.19 / external address bus A19 |
| 引脚 97 | P3.20/A20 — GPIO P3.20 / external address bus A20 |
| 引脚 98 | P3.21/A21 — GPIO P3.21 / external address bus A21 |
| 引脚 99 | P3.22/A22 — GPIO P3.22 / external address bus A22 |
| 引脚 100 | P3.23/A23 — GPIO P3.23 / external address bus A23 |
| 引脚 101 | VDD(3V3) — I/O 3.3V supply |
| 引脚 102 | P3.24/OE — GPIO P3.24 / external bus output-enable |
| 引脚 103 | P3.25/WE — GPIO P3.25 / external bus write-enable |
| 引脚 104 | P3.26/CS0 — GPIO P3.26 / external bus chip-select 0 (mirror) |
| 引脚 105 | P3.27/CS1 — GPIO P3.27 / external bus chip-select 1 (mirror) |
| 引脚 106 | P3.28/CS2 — GPIO P3.28 / external bus chip-select 2 (mirror) |
| 引脚 107 | P3.29/CS3 — GPIO P3.29 / external bus chip-select 3 (mirror) |
| 引脚 108 | P3.30/BLS0 — GPIO P3.30 / external bus byte-lane select 0 (mirror) |
| 引脚 109 | P3.31/BLS1 — GPIO P3.31 / external bus byte-lane select 1 (mirror) |
| 引脚 110 | XTAL1 — Crystal oscillator input (1-25 MHz) |
| 引脚 111 | XTAL2 — Crystal oscillator output |
| 引脚 112 | VSS — Ground |
| 引脚 113 | RTCX1 — RTC crystal oscillator input (32.768 kHz) |
| 引脚 114 | RTCX2 — RTC crystal oscillator output |
| 引脚 115 | VBAT — RTC battery supply |
| 引脚 116 | RSTOUT — Reset output (mirrors external reset) |
| 引脚 117 | RESET — External reset input (active low) |
| 引脚 118 | P1.16/ENET_RX_CLK — GPIO P1.16 / Ethernet reference (reserved on LPC2210, used on LPC229x) |
| 引脚 119 | P1.17 — GPIO P1.17 |
| 引脚 120 | P1.18/USB_UP_LED — GPIO P1.18 / USB GoodLink LED |
| 引脚 121 | P1.19 — GPIO P1.19 |
| 引脚 122 | P1.20/DCD1 — GPIO P1.20 / UART1 DCD (modem) |
| 引脚 123 | P1.21/RI1 — GPIO P1.21 / UART1 RI (modem) |
| 引脚 124 | P1.22/DSR1 — GPIO P1.22 / UART1 DSR (modem) |
| 引脚 125 | P1.23/DTR1 — GPIO P1.23 / UART1 DTR (modem) |
| 引脚 126 | P1.24/RTS1 — GPIO P1.24 / UART1 RTS (modem) |
| 引脚 127 | P1.25/CTS1 — GPIO P1.25 / UART1 CTS (modem) |
| 引脚 128 | P1.26 — GPIO P1.26 |
| 引脚 129 | P1.27 — GPIO P1.27 |
| 引脚 130 | P1.28 — GPIO P1.28 |
| 引脚 131 | P1.29 — GPIO P1.29 |
| 引脚 132 | P1.30 — GPIO P1.30 |
| 引脚 133 | P1.31 — GPIO P1.31 |
| 引脚 134 | VDD(1V8) — Core 1.8V supply |
| 引脚 135 | VSS — Ground |
| 引脚 136 | JTAG test clock — JTAG test clock |
| 引脚 137 | TMS — JTAG test mode select |
| 引脚 138 | TDI — JTAG test data in |
| 引脚 139 | TDO — JTAG test data out |
| 引脚 140 | TRST — JTAG test reset |
| 引脚 141 | RTCK — JTAG return test clock |
| 引脚 142 | VDD(3V3) — I/O 3.3V supply |
| 引脚 143 | P0.0/DBGEN — GPIO / boundary-scan enable (alternate function) |
| 引脚 144 | P0.1/INT0 — GPIO / external interrupt 0 (alternate function) |
典型应用
LPC2210FBD144/01 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： LPC2210FBD144/01 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- ROMless design with full 16-bit external memory bus （对比 LPC2214FBD144/01)
- Industrial -40C to +85C temperature grade with proven long-term supply （对比 LPC2220FBD144/01)
- Pinned-out 10-bit ADC on dedicated pins （对比 LPC2290FBD144/01)
设计说明
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.
合规信息
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.
