单相SOC芯片
计量SOC型号 | RN8211 | RN8211B | RN8213 | RN8213B | RN8215 | RN8217 | RN7213 | RN2025 |
晶元版本 | B版/C版 | C版 | B版/C版/D版 | B版/D版 | B版 | D版 | B版/D版 | B版/C版 |
封装 | LQFP64L | LQFP64L | LQFP100L | LQFP128L | LQFP100L | LQFP100L | LQFP64L | LQFP64L |
FLASH[KBytes] | 128 | 128 | 128/128/512 | 192/512 | 192 | 512 | 192/512 | 256 |
EEPROM(KBytes) | 32 | 32 | 32/32/无 | 32/无 | 32 | 无 | 32/无 | 无 |
SRAM[KBytes] | 8 | 8 | 8/8/48 | 16/48 | 16 | 48 | 16/48 | 32 |
工作电压(V) | 2.3-5.5 | 2.3-5.5 | 2.3-5.5 | 2.3-5.5 | 2.3-5.5 | 2.3-5.5 | 2.3-5.5 | 2.8-5.5 |
内核 | Corte×-M0 | Corte×-M0 | Corte×-M0 | Corte×-M0 | Corte×-M0 | Corte×-M0 | Corte×-M0 | Corte×-M0 |
最高主频(Mhz) | 29.49 | 29.49 | 29.49 | 29.49 | 29.49 | 29.49 | 29.49 | 32.768 |
电能计量 | 无零线计量 | 火线零线有功、无功视在双路计量,5000:1动态范国误差<0.1% | 火线零线有功、无功视在双路计量8000:1 | |||||
测量带宽(KHz) | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 4 |
有效值测量 | 2路 | 3路有效值测量:1000:1动态范围误差<0.2% | ||||||
全失压电流测量 | √ | √ | √ | √ | √ | √ | √ | √ |
线频率测量 | √ | √ | √ | √ | √ | √ | √ | √ |
基准电压温度系数(ppm/℃) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
计量误差自检测 | × | × | × | × | × | × | × | √ |
基波计量 | × | × | × | × | × | × | × | √ |
谐波分析及计量 | × | × | × | × | × | × | × | √ |
负荷识别波形输出 | × | × | × | × | × | × | × | √ |
电能质量分析 | × | × | × | × | × | × | × | √ |
GPADC | × | × | × | × | × | × | × | √ |
硬件温补RTC | -40-85℃,秒脉冲误差<ls/d | |||||||
LCD段数 | 96 | 96 | 240 | 288 | 240 | 240 | × | × |
DMA | × | × | ×/×/ √ | √ | √ | √ | √ | √ |
ECC&AES | × | × | ×/×/ √ | √ | √ | √ | √ | √ |
7816 | × | × | 2 | 2 | 2 | 2 | 2 | 2 |
UART | 4 | 4 | 5 | 6 | 5 | 5 | 5 | 6,UART2支持DMA |
SPI | × | 1 | 1 | 2 | 1 | 2 | 1 | 5,均支持DMA |
12C | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
TIM-ER32 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
PWM | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
外部中断 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 |
KEY | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 |
LVD | × | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
CMP | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
休眠功耗(μA) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 |
LCD轮显功耗含RTC(μA) | 25/15 | 15 | 25/15/15 | 25/15 | 25 | 15 | 25/15 | × |