Realtek ameba-Z系列WiFi芯片介绍-1
穆乐逸
特点
| feature list | QFN68 | QFN48 | QFN32 | ||
| Integrated core | Core type | ARM CM4 | |||
| Core clock maximum freq. | 125MHz | ||||
| Memory | Internal ROM | 512KB | |||
| Internal SRAM | 256KB | ||||
| Max. External FLASH | 128MB | ||||
| JTAG/SWD | SWD | ||||
| FPU | Float process unit | Yes | |||
| XIP | Execute in place | Yes | |||
| FPB | Flash patch breakpoint | Yes | |||
| Backup register | Backup register for power save | 16B | |||
| Boot Reason | Reset reason | Yes | |||
| Read protection | RAM read protection | 4KB | |||
| WIFI | 802.11 B/G/N | Yes | |||
| External 32K | External 32K | 1 | |||
| Dsleep wakepin | Deep sleep wake pin | 4 | |||
| BOR | Brown Out Reset Detection | Yes | |||
| peripherals | UART | Normal-UART Max. 6Mbps | 2 | 2 | 1 |
| Log-UART Max. 6Mbps | 1 | 1 | 1 | ||
| SPI Master | Max. 31.25Mbps | 1 | 1 | 1 | |
| SPI Slave | Max. 31.25Mbps | 1 | 1 | 1 | |
| I2C | Max. 400Kbps | 2 | 2 | 2 | |
| ADC | Battery Measurement: 0~5V | 1 | 0 | 1 | |
| Internal Thermal Measurement | 1 | 1 | 1 | ||
| Normal channel: 0~3V | 2 | 2 | 0 | ||
| GDMA | 2*6 channels | 2 | 2 | 2 | |
| GPIO | IN/OUT/INT | 39 | 26 | 17 | |
| I2S | 1 | 1 | 0 | ||
| RTC | D/H/M/S | 1 | 1 | 1 | |
| OUTPUT | 1 | 1 | 1 | ||
| Timer | Basic timer (32K) | 4 | 4 | 4 | |
| Advanced timer ( XTAL) | 2 | 2 | 2 | ||
| PWM | OUTPUT | 6 | 6 | 6 | |
| INPUT Capture | 2 | 2 | 2 | ||
| WDG | 1 | 1 | 1 | ||
| USB device | 1 | 0 | 0 | ||
SRAM
| CPU | Total | Free RAM | Usage |
|---|---|---|---|
| Ameba-Z | 256k | 140k | Data + heap |
Flash control
1. XIP(支持片内执行)
1） 支持用于读操作的内存映射I/O接口使其与Ram读取操作相同。
2） 支持FPB(flash patch breakpoint)
2.Read cache
1) 32KB I/D Read Cache
2) 16-Byte Cache line
3) 2-Way associative
3.address(寻址)
0x08000000, (Ameba1 is 0x98000000)
4.支持的flash品牌
MXIC/GD/winbond/Micron
| Vendor | Part Number | Density | Voltage | IO |
| MXIC | MX25L1633E | 2MB | 3.3V | 4IO |
| MXIC | MX25L3236F | 4MB | 3.3V | 4IO |
| MXIC | MX25L6433F | 8MB | 3.3V | 4IO |
| MXIC | MX25L12845G | 16MB | 3.3V | 4IO |
| Winbond | W25Q80DV | 1MB | 3.3V | 4IO |
| Winbond | W25Q16DV | 2MB | 3.3V | 4IO |
| Winbond | W25Q32FV | 4MB | 3.3V | 4IO |
| Winbond | W25R64FV | 8MB | 3.3V | 4IO |
| Winbond | W25R128FV | 16MB | 3.3V | 4IO |
| Micron | N25Q032A13ESE40E | 4MB | 3.3V | 4IO |
| Micron | N25Q064A13ESED0E | 8MB | 3.3V | 4IO |
| Micron | N25Q128A | 16MB | 3.3V | 4IO |
| Micron | N25Q00AA13GSF40F | 128MB | 3.3V | 4IO |
| Gigadevice | GD25Q80C | 1MB | 3.3V | 4IO |
| Gigadevice | GD25Q16C | 2MB | 3.3V | 4IO |
| Gigadevice | GD25Q32C | 4MB | 3.3V | 4IO |
| Gigadevice | GD25Q64C | 8MB | 3.3V | 4IO |
| Gigadevice | GD25Q128C | 16MB | 3.3V | 4IO |
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