RK3188-SOM-EVB vs RK3188-SOM-4GB 对比
详细并排对比 RK3188-SOM-EVB 出自 Olimex 和 RK3188-SOM-4GB 出自 Olimex。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | RK3188-SOM-EVB | RK3188-SOM-4GB |
|---|---|---|
| 品牌 | Olimex | Olimex |
| 分类 | Development Boards | Development Boards |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $19.95 | $23.97 |
| Manufacturer | Olimex Ltd. | Olimex Ltd. |
| Product Type | SOM Evaluation / Reference Design Board | — |
| Companion Module | RK3188-SOM / RK3188-SOM-4GB | — |
| Main Processor | Rockchip RK3188 Quad-Core ARM Cortex-A9, up to 1.6 GHz | — |
| GPU | ARM Mali-400 MP4 | ARM Mali-400 MP4 |
| Memory (on SOM) | 1 GB DDR3 | — |
| PMIC (on SOM) | Actions AC8846 | — |
| Ethernet | 10/100 Mb | — |
| USB Ports | 1x USB OTG + 4x USB HS/FS/LS Host | — |
| Video Output | HDMI + LCD connector with touch | — |
| Audio | Headphone + microphone jacks (per user manual) | — |
| Storage | microSD card slot | — |
| RTC | Yes, with coin-cell backup | — |
| Expansion | UEXT socket, 0.1-inch GPIO headers (adapted from SOM 0.05-inch) | — |
| Input Voltage | +6 V to +16 V DC via PWR jack | — |
| Current Draw (with SOM-4GB @10 V) | 0.10 A to 0.15 A | — |
| Board Layer Count | 2-layer PCB | — |
| Open Source Files | Eagle CAD schematic + KiCAD SOM socket template | — |
| RoHS | Compliant (per Olimex product page) | — |
| SoC | — | Rockchip RK3188 |
| CPU Cores | — | 4 x ARM Cortex-A9 |
| CPU Max Frequency | — | 1.8 GHz |
| System Memory | — | 1 GB DDR3 |
| On-board Storage | — | 4 GB NAND flash |
| Power Management IC | — | Actions AC8846 |
| Expansion Connectors | — | 5 x 40-pin 0.05" board-to-board |
| UART Console | — | Yes (dedicated connector) |
| SD-card Slot | — | Yes (base variant boots from SD; 4GB variant has built-in NAND) |
| Operating Systems | — | Linux, Android 4.x |
| 安装类型 | — | Board-to-board (carrier mounted) |
| RoHS 状态 | — | Compliant |
| Module Type | — | System-on-Module (SoM) |