參數(shù)資料
型號: EM773FHN33,551
廠商: NXP Semiconductors
文件頁數(shù): 46/51頁
文件大?。?/td> 0K
描述: IC ENERGY METER ARM 32VQFN
其它有關文件: EM773 Energy Metering IC Training
特色產(chǎn)品: EM773 Energy Metering IC
標準包裝: 260
核心處理器: ARM? Cortex?-M0
芯體尺寸: 32-位
速度: 48MHz
連通性: I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,WDT
輸入/輸出數(shù): 25
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-VQFN 裸露焊盤
包裝: 托盤
配用: 568-6681-ND - BOARD EVAL EM773 METER EU PLUG
568-6680-ND - BOARD EVAL EM773 METER US PLUG
其它名稱: 568-5213
PIC18(L)F2X/4XK22
DS41412F-page 50
2010-2012 Microchip Technology Inc.
FIGURE 3-3:
TRANSITION TIMING FROM RC_RUN MODE TO PRI_RUN MODE
TABLE 3-2:
INTERNAL OSCILLATOR FREQUENCY STABILITY BITS
IRCF<2:0>
INTSRC
MFIOSEL
Selected Oscillator
Selected Oscillator Stable when:
000
0
x
LFINTOSC
LFIOFS = 1
000
1
0
HFINTOSC
HFIOFS = 1
000
1
MFINTOSC
MFIOFS = 1
010
or 001
x
0
HFINTOSC
HFIOFS = 1
010
or 001
x
1
MFINTOSC
MFIOFS = 1
011
– 111
x
HFINTOSC
HFIOFS = 1
Q1
Q3 Q4
OSC1
Peripheral
Program
PC
INTOSC
PLL Clock
Q1
PC + 4
Q2
Output
Q3
Q4
Q1
CPU Clock
PC + 2
Clock
Counter
Q2
Q3
Note 1: TOST = 1024 TOSC; TPLL = 2 ms (approx). These intervals are not shown to scale.
2: Clock transition typically occurs within 2-4 TOSC.
SCS<1:0> bits Changed
TPLL(1)
12
n-1
n
Clock
OSTS bit Set
Transition(2)
Multiplexer
TOST(1)
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