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參數(shù)資料
| 型號： | MC80C52TXXX-16SC |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40 |
| 文件頁數(shù)： | 22/77頁 |
| 文件大?。?/td> | 7480K |
| 代理商： | MC80C52TXXX-16SC |
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29
SAMA5D3 Series [DATASHEET]
11121D–ATARM–03-Apr-14
5.
Power Considerations
5.1
Power Supplies
Table 5-1 defines the power supply rails and the estimated power consumption at typical voltage.
5.2
Power-up Considerations
The user must first activate VDDIOP and VDDIOM, then VDDPLL and VDDCORE with the constraint that VDDPLL is
established no later than 1 ms after VDDCORE.
The VDDCORE and VDDBU power supplies rising time must be defined according to the Core and Backup Power-On-
Reset characteristics to ensure VDDCORE or VDDBU has reached V
IH after the POR reset time.
Refer to the “Core Power Supply POR Characteristics” and “Backup Power Supply POR Characteristics” sections of the
datasheet for power-up constraints.
5.3
Power-down Considerations
The user must remove VDDPLL first, then VDDCORE, and at last VDDIOP and VDDIOM, to ensure a reliable operation
of the device.
Table 5-1.
SAMA5D3 Power Supplies
Name
Voltage Range, Nominal
Associated Ground
Powers
VDDCORE
1.1–1.32V, 1.2V
GNDCORE
The core, including the processor, the embedded memories
and the peripherals
VDDIODDR
1.7–1.9V, 1.8V
1.14–1.30, 1.2V
GNDIODDR
LPDDR/DDR2 Interface I/O lines
LPDDR2 Interface I/O lines
VDDIOM
1.65–1.95V, 1.8V
3.0–3.6V, 3.3V
GNDIOM
NAND and HSMC Interface I/O lines
VDDIOP0
1.65–3.6V
GNDIOP
Peripheral I/O lines
VDDIOP1
1.65–3.6V
GNDIOP
Peripheral I/O lines
VDDBU
1.65–3.6V
GNDBU
The Slow Clock Oscillator, the internal 32 kHz RC Oscillator
and a part of the System Controller
VDDUTMIC 1.1–1.32V, 1.2V
GNDUTMI
The USB device and host UTMI+ core
The UTMI PLL
VDDUTMII
3.0–3.6V, 3.3V
GNDUTMI
The USB device and host UTMI+ interface
VDDPLLA
1.1–1.32V, 1.2V
GNDPLL
The PLLA cell
VDDOSC
1.65–3.6V
GNDOSC
Main Oscillator Cell and PLL UTMI. If PLL UTMI or USB is
used, the range is to be 3.0V to 3.6V.
VDDANA
3.0–3.6V, 3.3V
GNDANA
Analog-to-Digital Converter
VDDFUSE
2.25–2.75V, 2.5V
GNDFUSE
Fuse box for programming.
It can be tied to ground with a 100
Ω resistor for fuse
reading only.
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