CXEP2343是一种非常低功耗的芯片上多相和单相计量系统（SOC），包括20MHz MPU内核、带数字温度补偿的实时时钟（RTC）、闪存、LCD驱动器和单周期32 x 32乘法器（MAC）。七个（ZON P5S/P5SL）或四个（ZON M5S/M5SL）模拟输入，带有单独的24位delta sigma ADC、数字计量温度补偿、精密电压基准、带四个脉冲输出的32位计算引擎（CE），实现AES和DES加密的安全引擎支持范围广泛的智能计量应用程序，只有很少的外部组件。ZON P5S/P5SL和ZON M5S/M5SL SOC支持与CXEP2340系列独立远程传感器的可选接口，从而降低了物料清单成本并增强了可靠性。这些设备的特点是在有源和电池模式下低功耗运行，48KB RAM，256KB或512KB闪存，在电表运行过程中可使用代码和/或数据进行编程。一整套代码开发工具、演示代码和参考设计使电表能够快速开发和认证，满足所有ANSI、IEC，和BIS电力计量标准
●在128针LQFP中实现最大性能和灵活性的双核架构
•32位MPU内核，256/512KB闪存，32KB数据NV-RAM（与CE数据RAM共享），最高20MHz
•32位计算引擎（CE），带有单独的16KB程序和数据RAM、40MHz和单周期64位MAC
●低功耗支持低物料清单成本
•在3.3V和20MHz激活模式下，功耗小于13.7mA（典型值）
•RTC补偿模式下<3μA，SLP模式下<2.3μA
•2.7V至3.6V工作电压
●先进的AFE具有卓越的精度和温度稳定性，支持广泛的应用，包括高端仪表
•电压参考温度系数（最大值）40ppm/℃
•带专用温度补偿电路的RTC
•片上数字温度传感器和电池监视器
•24位二阶Delta Digma ADC，带差分输入，支持CT、Rogowski线圈和带分路器的单输入和双输入遥感器接口SOC（CXEP2340）
•可配置采样率高达10ksps/通道
•在5000:1电流范围内，精度为±0.1%Wh
•40Hz–70Hz线频率范围和相位补偿（±10°）
高度集成的产品功能和灵活的外围设备支持广泛的应用需求
•单个32kHz晶体提供所有操作时钟
•用于环境监测的低功耗5ksps辅助ADC
•两个具有可编程频率、占空比和斜坡时间的PWM控制通道
•两个触摸传感器开关输入
•SPI和I2C主从机
•安全引擎（3DES、AES）
•5个定时器•单周期32 x 32 MAC单元
•4x 40/6x 38/8x 36液晶显示器，带自动老化功能
•5个UART，1个带38kHz红外编码器/解码器），两个符合ISO 7816
[ CXEP2343 ]
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产品概述 返回TOP
产品特点 返回TOP
● Dual-core Architecture for Maximum Performance and Flexibility in 128-Pin LQFP
• 32-Bit MPU Core with 256/512KB Flash, 32KB Data NV-RAM (Shared with CE Data RAM), Up to 20MHz
• 32-Bit Computing Engine (CE) with Separate 16KB Program and Data RAM, 40MHz, and Single-Cycle 64-Bit MAC
● Low Power Consumption Supports Low BOM Cost
• Less than 13.7mA (typ) Consumption at 3.3V and 20MHz in Active Mode
• < 3μA in RTC Compensation Mode, 2.3μA in SLP Mode
• 2.7V to 3.6V Operating Voltage
● Advanced AFE with Exceptional Accuracy and Temperature Stability Supports a Broad Range of Applications, Including High-End Meters
• Voltage Reference Temperature Coefficient (max) 40ppm/°C
• RTC with Dedicated Temperature Compensation Circuit
• On-Chip Digital Temperature Sensor and Battery Monitor
• 24-Bit 2nd Order Delta-Digma ADCs with Differential Inputs Supporting CTs, Rogowski Coils and Both Single and Dual Input Remote Sensor Interface SoCs with Shunts ( CXEP2340)
• Configurable Sampling Rate Up to 10ksps/Channel
• ±0.1% Wh Accuracy Over 5000:1 Current Range
• 40Hz–70Hz Line Frequency Range and Phase Compensation (±10°)
● Highly Integrated Product Features and Flexible Peripherals Support Broad Application Needs
• Single 32kHz Crystal Provides All Operating Clocks
• Low-Power 5ksps Auxiliary ADC for Environmental Monitoring
• Two PWM Control Channels with Programmable Frequency, Duty Cycle, and Ramp Time
• Two Touch Sensor Switch Inputs
• SPI and I2C Master and Slave
• Security Engines (3DES, AES)
• 5 Timers • Single-Cycle 32 x 32 MAC Unit
• 4x 40/6x 38/8x 36 LCDs with Autopaging
• 5 UARTs, 1 with 38kHz IR Encoder/Decoder), Two Compliant with ISO 7816
应用范围 返回TOP
● Smart Meters
● Secure Meters
● Energy Monitoring
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产品封装图 返回TOP
电路原理图 返回TOP
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Electricity Metering ICs |
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|
Part Number |
Phase |
Internal Flash(KB) |
Internal RAM(KB) |
Analog Input |
Sensor Inputs (Current+Voltage) |
MCU MIPS |
RTC |
LCD Driver Pixels(max) |
GPIO |
UARTs |
|
3P |
||||||||||
|
3P |
||||||||||
|
1P |
||||||||||
|
3P |
||||||||||
|
1P |
64 |
7 |
Singleend |
2SE + 1 |
5 |
Yes |
128 (32x4) |
12 |
2 |
|
|
1P |
64 |
7 |
Singleend |
2SE + 1 |
5 |
Yes |
128 (32x4) |
12 |
2 |
|
|
3P |
64 |
7 |
Singleend |
3SE + 3 |
5 |
Yes |
168 (42x4) |
22 |
2 |
|
|
3P |
64 |
7 |
Singleend |
3SE + 3 |
5 |
Yes |
168 (42x4) |
22 |
2 |
|
|
3P |
64 |
7 |
Singleend |
3SE + 3 |
5 |
Yes |
8 |
1 |
||
|
1P/2P |
128 |
4 |
Singleend |
2SE + 2 |
10 |
Yes |
156 (39x4) |
22 |
2 |
|
|
1P/2P |
256 |
4 |
Singleend |
2SE + 2 |
10 |
Yes |
156 (39x4) |
22 |
2 |
|
|
1P/2P |
128 |
4 |
Differential |
2D + 2 |
10 |
Yes |
268 (67x4) |
43 |
2 |
|
|
1P/2P |
256 |
4 |
Differential |
2D + 2 |
10 |
Yes |
268 (67x4) |
43 |
2 |
|
|
3P |
128 |
4 |
Differential |
4D + 3 |
10 |
Yes |
228 (57x4) |
39 |
2 |
|
|
3P |
128 |
4 |
Differential |
4D + 3 |
10 |
Yes |
228 (57x4) |
39 |
2 |
|
|
3P |
128 |
4 |
Differential |
4D + 3 |
10 |
Yes |
300 (75x4) |
52 |
2 |
|
|
3P |
256 |
4 |
Differential |
4D + 3 |
10 |
Yes |
300 (75x4) |
52 |
2 |
|
|
1P |
32 |
3 |
Differential |
2D + 1 |
5 |
Yes |
222 (37x6) |
30 |
2 |
|
|
1P |
64 |
5 |
Differential |
2D + 1 |
5 |
Yes |
222 (37x6) |
30 |
2 |
|
|
1P |
128 |
5 |
Differential |
2D + 1 |
5 |
Yes |
222 (37x6) |
30 |
2 |
|
|
1P/2P |
64 |
5 |
Differential |
2D + 2 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
1P/2P |
128 |
5 |
Differential |
2D + 2 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
3P |
64 |
5 |
Differential |
4D + 3 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
3P |
128 |
5 |
Differential |
4D + 3 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
3P |
128 |
5 |
Differential |
4D + 3 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
3P |
64 |
5 |
Differential |
4D + 3 |
5 |
Yes |
336 (56x6) |
51 |
2 |
|
|
3P |
64 |
5 |
Differential |
4D + 3 |
5 |
Yes |
29 |
1 |
||
|
3P |
64 |
5 |
Differential |
4D + 3 |
5 |
Yes |
29 |
1 |
||
|
1P |
||||||||||
|
1P ,3P |
0 |
0 |
Differential |
2D |
300(50x6) |
70 |
0 |
|||
|
1P/2P |
64 |
8 |
Differential |
2D + 2 |
10 |
Yes |
156(39x4) 190(38X5) 222(37x6) |
39 |
3 |
|
|
1P/2P |
128 |
8 |
Differential |
2D + 2 |
10 |
Yes |
156(39x4) 190(38X5) 222(37x6) |
39 |
3 |
|
|
1P |
256 |
48 |
Differential |
4D + 3SE |
20 |
Yes |
160(40x4) 228(38x6) 288(36x8) |
88 |
5 |
|
|
1P |
512 |
48 |
Differential |
4D + 3SE |
20 |
Yes |
160(40x4) 228(38x6) 288(36x8) |
88 |
5 |
|
|
3P |
256 |
48 |
Differential |
4D + 3SE |
20 |
Yes |
160(40x4) 228(38x6) 288(36x8) |
88 |
5 |
|
|
3P |
512 |
48 |
Differential |
4D + 3SE |
20 |
Yes |
160(40x4) 228(38x6) 288(36x8) |
88 |
5 |
|
|
1P 1P/2P |
1024 |
128 |
Differential |
2D + 2 |
54 |
Yes |
300(50x6) |
70 |
7 |
|
|
3P |
1024 |
128 |
Differential |
4D + 3SE |
54 |
Yes |
300(50x6) |
70 |
8 |
|
|
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