参数资料
型号: EM773FHN33,551
厂商: NXP Semiconductors
文件页数: 51/51页
文件大小: 0K
描述: IC ENERGY METER ARM 32VQFN
其它有关文件: EM773 Energy Metering IC Training
特色产品: EM773 Energy Metering IC
标准包装: 260
核心处理器: ARM? Cortex?-M0
芯体尺寸: 32-位
速度: 48MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 25
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 32-VQFN 裸露焊盘
包装: 托盘
配用: 568-6681-ND - BOARD EVAL EM773 METER EU PLUG
568-6680-ND - BOARD EVAL EM773 METER US PLUG
其它名称: 568-5213
EM773
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 2 — 3 January 2012
9 of 51
NXP Semiconductors
EM773
Energy metering IC
7.
Functional description
7.1 ARM Cortex-M0 processor
The ARM Cortex-M0 is a general purpose, 32-bit microprocessor, which offers high
performance and very low power consumption.
7.2 On-chip flash program memory
The EM773 contains 32 kB of on-chip flash memory.
7.3 On-chip SRAM
The EM773 contains a total of 8 kB on-chip static RAM memory.
7.4 Memory map
The EM773 incorporates several distinct memory regions, shown in the following figure.
Figure 3 shows the overall map of the entire address space from the user program
viewpoint following reset. The interrupt vector area supports address remapping.
The AHB peripheral area is 2 megabyte in size, and is divided to allow for up to 128
peripherals. The APB peripheral area is 512 kB in size and is divided to allow for up to 32
peripherals. Each peripheral of either type is allocated 16 kilobytes of space. This allows
simplifying the address decoding for each peripheral.
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