参数资料
型号: EM773FHN33,551
厂商: NXP Semiconductors
文件页数: 2/51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
10 of 51
NXP Semiconductors
EM773
Energy metering IC
7.5 Nested Vectored Interrupt Controller (NVIC)
The Nested Vectored Interrupt Controller (NVIC) is an integral part of the Cortex-M0. The
tight coupling to the CPU allows for low interrupt latency and efficient processing of late
arriving interrupts.
7.5.1 Features
Controls system exceptions and peripheral interrupts.
In the EM773, the NVIC supports 32 vectored interrupts including up to 13 inputs to
the start logic from individual GPIO pins.
Fig 3.
EM773 memory map
0x5000 0000
0x5001 0000
0x5002 0000
0x5020 0000
AHB peripherals
16-127 reserved
GPIO PIO1
4-7
0x5003 0000
0x5004 0000
GPIO PIO2
GPIO PIO3
8-11
12-15
GPIO PIO0
0-3
APB peripherals
0x4000 4000
0x4000 8000
0x4000 C000
0x4001 0000
0x4001 8000
0x4003 8000
0x4003 C000
0x4004 0000
0x4004 4000
0x4004 8000
0x4004 C000
0x4008 0000
0x4001 C000
0x4001 4000
0x4000 0000
WDT
32-bit counter/timer 0
32-bit counter/timer 1
UART
PMU
I2C-bus
13 - 7 reserved
31 - 19 reserved
0
1
2
3
4
5
6
16
15
14
17
18
reserved
0x0000 0000
0 GB
0.5 GB
4 GB
1 GB
0x1000 2000
0x1FFF 0000
0x1FFF 4000
0x2000 0000
0x4000 0000
0x4008 0000
0x5000 0000
0x5020 0000
0xFFFF FFFF
reserved
APB peripherals
AHB peripherals
8 kB SRAM
0x1000 0000
EM773
0x0000 8000
32 kB on-chip flash
16 kB boot ROM
0x0000 0000
0x0000 00C0
active interrupt vectors
002aag728
SPI0
reserved
16-bit counter/timer 0
IOCONFIG
system control
flash controller
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