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參數(shù)資料
| 型號： | MC68SZ328 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | i.MX Integrated Portable System Processor |
| 中文描述： | i.MX處理器集成的便攜式系統(tǒng) |
| 文件頁數(shù)： | 15/96頁 |
| 文件大?。?/td> | 1495K |
| 代理商： | MC68SZ328 |
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Specifications
MC9328MX1 Advance Information, Rev. 4
Freescale Semiconductor
15
3.2 Recommended Operating Range
Table 5 provides the recommended operating ranges for the supply voltages. The MC9328MX1 processor has
multiple pairs of VDD and VSS power supply and return pins. QVDD and QVSS pins are used for internal logic.
All other VDD and VSS pins are for the I/O pads voltage supply, and each pair of VDD and VSS provides power
to the enclosed I/O pads. This design allows different peripheral supply voltage levels in a system.
Because AVDD pins are supply voltages to the analog pads, it is recommended to isolate and noise-filter the
AVDD pins from other VDD pins.
BTRFVDD is the supply voltage for the Bluetooth interface signals. It is quite sensitive to the data transmit/receive
accuracy. Please refer to Bluetooth RF spec for special handling. If Bluetooth is not used in the system, these
Bluetooth pins can be used as general purpose I/O pins and BTRFVDD can be used as other NVDD pins.
For more information about I/O pads grouping per VDD, please refer to Table 3 on page 6.
3.3 Power Sequence Requirements
For required power-up and power-down sequencing, please refer to the "Power-Up Sequence" section of
application note AN2537 on the i.MX website page.
3.4 DC Electrical Characteristics
Table 6 contains both maximum and minimum DC characteristics of the MC9328MX1.
Table 5. Recommended Operating Range
1
1.
Voltages referenced to Vss and BTRFGND, which are both tied to the same potential.
Symbol
Rating
Minimum
Maximum
Unit
NVDD
I/O supply voltage
MSHC, SPI, BTA, USBd, LCD and
CSI are only 3V interface
2.70
3.30
V
NVDD
I/O supply voltage
1.70
3.30
V
QVDD
Internal supply voltage (Core =
150 MHz)
1.70
1.90
V
QVDD
Internal supply voltage (Core =
200 MHz)
1.80
2.00
V
AVDD
Analog supply voltage
1.70
3.30
V
BTRFVD
D
1
Bluetooth I/O voltage (Bluetooth)
1.70
3.10
V
BTRFVD
D
2
Bluetooth I/O voltage (Non Bluetooth
applications)
1.70
3.30
V
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