参数资料
| 型号： | EM773FHN33,551 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 22/51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 |
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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
29 of 51
NXP Semiconductors
EM773
Energy metering IC
9.3 Peripheral power consumption
The supply current per peripheral is measured as the difference in supply current between
the peripheral block enabled and the peripheral block disabled in the SYSAHBCLKCFG
and PDRUNCFG (for analog blocks) registers. All other blocks are disabled in both
registers and no code is executed. Measured on a typical sample at Tamb =25 C. Unless
noted otherwise, the system oscillator and PLL are running in both measurements.
The supply currents are shown for system clock frequencies of 12 MHz and 48 MHz.
Table 6.
Power consumption for individual analog and digital blocks
Peripheral
Typical supply current in
mA
Notes
n/a
12 MHz
48 MHz
IRC
0.27
-
System oscillator running; PLL off; independent
of main clock frequency.
System oscillator
at 12 MHz
0.22
-
IRC running; PLL off; independent of main clock
frequency.
Watchdog
oscillator at
500 kHz/2
0.004
-
System oscillator running; PLL off; independent
of main clock frequency.
BOD
0.051
-
Independent of main clock frequency.
Main PLL
-
0.21
-
CLKOUT
-
0.12
0.47
Main clock divided by 4 in the CLKOUTDIV
register.
CT16B0
-
0.02
0.06
CT16B1
-
0.02
0.06
CT32B0
-
0.02
0.07
CT32B1
-
0.02
0.06
GPIO
-
0.23
0.88
GPIO pins configured as outputs and set to
LOW. Direction and pin state are maintained if
the GPIO is disabled in the SYSAHBCLKCFG
register.
IOCONFIG
-
0.03
0.10
I2C
-
0.04
0.13
ROM
-
0.04
0.15
SPI0
-
0.12
0.45
UART
-
0.22
0.82
WDT
-
0.02
0.06
Main clock selected as clock source for the
WDT.
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