参数资料
| 型号： | EM773FHN33,551 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 50/51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
8 of 51
NXP Semiconductors
EM773
Energy metering IC
[1]
Pin state at reset for default function: I = Input; O = Output; PU = internal pull-up enabled; (pins pulled up to full VDD level ); IA = inactive,
no pull-up/down enabled.
[2]
See Figure 25 for the reset pad configuration. RESET functionality is not available in Deep power-down mode. Use the WAKEUP pin to
reset the chip and wake up from Deep power-down mode. An external pull-up resistor is required on this pin for the Deep power-down
mode. Pin is 5 V tolerant.
[3]
5 V tolerant pad providing digital I/O functions with configurable pull-up/pull-down resistors and configurable hysteresis (see Figure 24).
[4]
I2C-bus pads compliant with the I2C-bus specification for I2C standard mode and I2C Fast-mode Plus.
[5]
5 V tolerant pad providing digital I/O functions with configurable pull-up/pull-down resistors, configurable hysteresis, and analog input.
When configured as a analog input, digital section of the pad is disabled and the pin is not 5 V tolerant (see Figure 24).
[6]
When the system oscillator is not used, connect XTALIN and XTALOUT as follows: XTALIN can be left floating or can be grounded
(grounding is preferred to reduce susceptibility to noise). XTALOUT should be left floating.
PIO1_11
27
no
I/O
I;PU
PIO1_11 — General purpose digital input/output pin.
PIO2_0
I/O
Port 2 — Port 2 is a 12-bit I/O port with individual
direction and function controls for each bit. The
operation of port 2 pins depends on the function
selected through the IOCONFIG register block. Pins
PIO2_1 to PIO2_11 are not available.
PIO2_0/DTR
1[3]
no
I/O
I;PU
PIO2_0 — General purpose digital input/output pin.
O-
DTR — Data Terminal Ready output for UART.
PIO3_0 to PIO3_5
no
I/O
Port 3 — Port 3 is a 12-bit I/O port with individual
direction and function controls for each bit. The
operation of port 3 pins depends on the function
selected through the IOCONFIG register block. Pins
PIO3_0, PIO3_1, PIO3_3 and PIO3_6 to PIO3_11 are
not available.
PIO3_2
no
I/O
I;PU
PIO3_2 — General purpose digital input/output pin.
PIO3_4
no
I/O
I;PU
PIO3_4 — General purpose digital input/output pin.
PIO3_5
no
I/O
I;PU
PIO3_5 — General purpose digital input/output pin.
VDD
6; 29
-
I
-
3.3 V supply voltage to the internal regulator, the
external rail, and the metrology engine.
XTALIN
4[6]
-
I
-
Input to the oscillator circuit and internal clock generator
circuits. Input voltage must not exceed 1.8 V.
XTALOUT
5[6]
-
O
-
Output from the oscillator amplifier.
VSS
33
-
Thermal pad. Connect to ground.
Table 2.
EM773 pin description table …continued
Symbol
Pin
Start
logic
input
Type
Reset
state
[1]
Description
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