nRF52系列IC对比
| Features | nRF52805 | nRF52810 | nRF52811 | nRF52820 | nRF52832 | nRF52833 | nRF52840 | |
|---|---|---|---|---|---|---|---|---|
| CPU | Cortex-M4 | Cortex-M4 | Cortex-M4 | Cortex-M4 | Cortex-M4 with FPU | Cortex-M4 with FPU | Cortex-M4 with FPU | |
| 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | ||
|
Memory
内存
|
192 kB flash | 192 kB flash | 192 kB flash | 256 kB flash | 512/256 kB flash | 512 kB flash | 1 MB flash | |
| - | - | - | - | Cache | Cache | Cache | ||
| 24 kB RAM | 24 kB RAM | 24 kB RAM | 32 kB RAM | 64/32 kB RAM | 128 kB RAM | 256 kB RAM | ||
| EasyDMA 最大位长 | I2S | - | - | - | - | 14 | 14 | 14 |
| PDM | - | 15 | 15 | - | 15 | 15 | 15 | |
| PWM | - | 15 | 15 | - | 15 | 15 | 15 | |
| RADIO | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
| SAADC | - | 15 | 15 | - | 15 | 15 | 15 | |
| SPIM | 14 | 10 | 14 | 15 | 8 | 16 | 16 | |
| SPIS | 14 | 10 | 14 | 15 | 8 | 16 | 16 | |
| TWIM | 14 | 10 | 14 | 15 | 8 | 16 | 16 | |
| TWIS | 14 | 10 | 14 | 15 | 8 | 16 | 16 | |
| UARTE | 10 | 10 | 10 | 15 | 8 | 16 | 16 | |
| NFCT | - | - | - | - | 9 | 9 | 9 | |
| USBD | - | - | - | 7 | - | 7 | 7 | |
| QSPI | - | - | - | - | - | - | 20 | |
| Crypto加密 | AES engine | AES engine | AES engine | AES engine | AES engine | AES engine | AES engine | |
| - | - | - | - | - | - | CryptoCell™310 | ||
|
Radio
无线电
|
Protocols | Bluetooth Low Energy/ANT/2.4 GHz | Bluetooth Low Energy/ANT/2.4 GHz | Bluetooth Low Energy/ANT/2.4 GHz/IEEE 802.15.4 | Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4 | Bluetooth Low Energy/Bluetooth mesh/ANT/2.4 GHz | Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4 | Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4 |
| Bluetooth 5 PHYs | 2 Mbps | 2 Mbps | 2 Mbps/Long range | 2 Mbps/Long range | 2 Mbps | 2 Mbps/Long range | 2 Mbps/Long range | |
| Bluetooth 5.1 support | - | - | Yes | Yes | - | Yes | - | |
| Output power | +4 dBm | +4 dBm | +4 dBm | +8 dBm | +4 dBm | +8 dBm | +8 dBm | |
| Sensitivity | -97 dBm (Bluetooth 1 Mbps) | -96 dBm (Bluetooth 1 Mbps) | -97 dBm (Bluetooth 1 Mbps) | -95 dBm (Bluetooth Low Energy 1 Mbps) | -96 dBm (Bluetooth Low Energy 1 Mbps) | -95 dBm (Bluetooth Low Energy 1 Mbps) | -95 dBm (Bluetooth Low Energy 1 Mbps) | |
|
时钟
|
32 MHz crystal | 32 MHz crystal | 32 MHz crystal | 32 MHz crystal | 32 MHz crystal | 32 MHz crystal | 32 MHz crystal | |
| 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | 64 MHz on chip (PLL) | ||
| 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | 32.768 kHz crystal (optional) | ||
| 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | 32.768 kHz on-chip RC | ||
| External 32.768 kHz clock | External 32.768 kHz clock | External 32.768 kHz clock | External 32.768 kHz clock | External 32.768 kHz clock | External 32.768 kHz clock | External 32.768 kHz clock | ||
| 电源管理 | 1.7 V to 3.6 V supply voltage | 1.7 V to 3.6 V supply voltage | 1.7 V to 3.6 V supply voltage | 1.7 V to 5.5 V supply voltage
|
1.7 V to 3.6 V supply voltage | 1.7 V to 5.5 V supply voltage
|
1.7 V to 5.5 V supply voltage
|
|
| 1 stage LDO and DC/DC | 1 stage LDO and DC/DC | 1 stage LDO and DC/DC | 2 stage regulator LDO for high voltage and DC/DC or LDO for low voltage | 1 stage LDO and DC/DC | 2 stage regulator LDO for high voltage and DC/DC or LDO for low voltage | 2 stage LDO and DC/DC | ||
| - | - | - | On-chip VBUS 3.3 V reg | - | On-chip VBUS 3.3 V reg | On-chip VBUS 3.3 V reg | ||
| - | - | - | - | - | - | Regulated supply for external components | ||
| 数字接口 | 1 × SPI master and slave | 1 × SPI master and slave | 2 × SPI master and slave | 2 × SPI master and slave | 3 × SPI master and slave | 4 × SPI master and 3 × SPI slave | 4 × SPI master and 3 × SPI slave | |
| 1 × TWI master and slave | 1 × TWI master and slave | 1 × TWI master and slave | 2 × TWI master and slave | 2 × TWI master and slave | 2 × TWI master and slave | 2 × TWI master and slave | ||
| 1 × UARTE | 1 × UARTE | 1 × UARTE | 1 × UARTE | 1 × UARTE or UART | 2 × UARTE | 2 × UARTE | ||
| - | 1 × PWM | 1 × PWM | - | 3 × PWM | 4 × PWM | 4 × PWM | ||
| - | QDEC | QDEC | QDEC | QDEC | QDEC | QDEC | ||
| - | PDM | PDM | - | PDM | PDM | PDM | ||
| - | - | - | - | I2S | I2S | I2S | ||
| - | - | - | 1 × USB Full-speed device | - | 1 × USB Full-speed device | 1 × USB Full-speed device | ||
| - | - | - | - | - | 1 × high-speed SPI master | 1 × high-speed SPI master | ||
| - | - | - | - | - | - | 1 × Quad SPI (w.XIP) | ||
| 模拟接口 | - | 64-level analog comp | 64-level analog comp | 64-level analog comp | 64-level analog comp | 64-level analog comp | 64-level analog comp | |
| - | - | - | - | 15-level low-power comp | 15-level low-power comp | 15-level low-power comp | ||
| 2-channel 12-bit ADC | 8-channel 12-bit ADC | 8-channel 12-bit ADC | - | 8-channel 12-bit ADC | 8-channel 12-bit ADC | 8-channel 12-bit ADC | ||
| - | - | - | - | NFC Tag | NFC Tag | NFC Tag | ||
| True Random Number Generator | True Random Number Generator | True Random Number Generator | True Random Number Generator | True Random Number Generator | True Random Number Generator | True Random Number Generator | ||
| Temperature sensor | Temperature sensor | Temperature sensor | Temperature sensor | Temperature sensor | Temperature sensor | Temperature sensor | ||
| 计数器 | 3 × 32-bit 16 MHz timers | 3 × 32-bit 16 MHz timers | 3 × 32-bit 16 MHz timers | 4 × 32-bit 16 MHz timers | 5 × 32-bit 16 MHz timers | 5 × 32-bit 16 MHz timers | 5 × 32-bit 16 MHz timers | |
| 2 × 32.768 kHz RTC | 2 × 32.768 kHz RTC | 2 × 32.768 kHz RTC | 2 × 32.768 kHz RTC | 3 × 32.768 kHz RTC | 3 × 32.768 kHz RTC | 3 × 32.768 kHz RTC | ||
| Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | Watchdog timer (32.768 kHz) | ||
| 其它接口 | SWI debug interface | SWI debug interface | SWI debug interface | SWI debug interface | SWI debug interface | SWI debug interface | SWI debug interface | |
| PPI | 10 programmable channels | 20 programmable channels | 20 programmable channels | 20 programmable channels | 20 programmable channels | 20 programmable channels | 20 programmable channels | |
| 12 fixed channels | 12 fixed channels | 12 fixed channels | 12 fixed channels | 12 fixed channels | 12 fixed channels | 12 fixed channels | ||
| 6 channel groups | 6 channel groups | 6 channel groups | 6 channel groups | 6 channel groups | 6 channel groups | 6 channel groups | ||
| 其它特性 | BPROT | BPROT | BPROT | BPROT | BPROT | ACL | ACL | |
| 6 × SWI | 6 × SWI | 6 × SWI | 6 × SWI | 6 × SWI | 6 × SWI | 6 × SWI | ||
| 2 × EGU | 2 × EGU | 2 × EGU | 6 × EGU | 6 × EGU | 6 × EGU | 6 × EGU | ||
| - | - | - | - | MWU | MWU | MWU | ||
| 电源失效保护 | Power fail comparator and brownout | Power fail comparator and brownout | Power fail comparator and brownout | Power fail comparator and brownout | Power fail comparator and brownout | Power fail comparator and brownout | Power fail comparator and brownout | |
| GPIO | Up to 10 pins | Up to 32 pins | Up to 32 pins | Up to 18 pins | Up to 32 pins | Up to 42 pins | Up to 48 pins | |
| 8 × GPIOTEs channels | 8 × GPIOTEs channels | 8 × GPIOTEs channels | 8 × GPIOTEs channels | 8 × GPIOTEs channels | 8 × GPIOTEs channels | 8 × GPIOTEs channels | ||
| 包装 | - | 6 × 6 QFN48 w/32 GPIOs | 6 × 6 QFN48 w/32 GPIOs | - | 6 × 6 QFN48 w/32 GPIOs | 7 × 7 AQFN73 w/42 GPIOs | 7 × 7 AQFN73 w/48 GPIOs | |
| - | 5 × 5 QFN32 w/17 GPIOs | 5 × 5 QFN32 w/17 GPIOs | 5 × 5 QFN40 w/18 GPIOs and USB | - | 5 × 5 QFN40 w/18 GPIOs & USB | - | ||
| 2.5 × 2.5 WLCSP w/10 GPIOs | 2.5 × 2.5 WLCSP w/15 GPIOs | 2.5 × 2.5 WLCSP w/15 GPIOs | - | 3.0 × 3.2 WLCSP w/32 GPIOs & USB | 3.2 × 3.2 WLCSP w/42 GPIOs & USB | 3.5 × 3.5 WLCSP w/48 GPIOs | ||
| 工作温度 | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 105°C | -40 to 85°C | -40 to 105°C | -40 to 85°C | |
