NCA9555 GPIO扩展器评估板
NEVB – NCA9555（NCA95xx评估板）PCB采用屏蔽尺寸设计，可兼容Arduino™，
专为Nexperia I²C控制的GPIO扩展器系列而设计。电路板为GND、I²C总线信号SCL和SDA以及中断开漏输出提供了测试点，使用非常方便。EVB可用于GPIO扩展器衍生产品NCA9555、NCA9535、NCA9539和NCA9595。
NCA9555 GPIO扩展器评估板
主要特性和优势
- 输入电压 = 1.6 V至5.5 V
- I²C至并行端口扩展
- GPIO数量 = 2个8位端口
- 电流驱动能力 = ± 25 mA
- I²C接口，快速模式400 kHz
- 开漏低电平有效中断输出
- 可通过3个选择引脚（NCA9539为2个引脚）配置从站地址
- 低电平复位输入(NCA9539)
Products on the board (1)
| Type number | Description | Status | Quick access | |
|---|---|---|---|---|
|
NCA9555BY | Low-voltage 16-bit I²C and SMBus I/O expander with interrupt output and configuration registers | Production |
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Products on the board (1)
| Type number | Description | Status | Quick access | |
|---|---|---|---|---|
|
|
NCA9555BY | Low-voltage 16-bit I²C and SMBus I/O expander with interrupt output and configuration registers | Production |
Documentation (5)
| File name | Title | Type | Date |
|---|---|---|---|
| Nexperia_document_leaflet_I2C_GPIO_expanders | I2C GPIO Expanders 2023 | Leaflet | 2023-04-26 |
| NCA95XX_Arduino_Sketches | NCA95XX Arduino™ Sketch Examples | Software | 2023-03-12 |
| NCA95XX_EVB_Software | NCA95XX EVB GUI | Software | 2023-03-12 |
| UM90017 | NCA95XX Evaluation Board: Quick-Start Guide | User manual | 2023-01-18 |
| UM90016 | NCA95xx GPIO expander EVB (Arduino™ shield compatible) | User manual | 2024-02-23 |