參數(shù)資料
型號(hào)： MC9328MX21CVKR2
廠商： Freescale Semiconductor
文件頁數(shù)： 7/100頁
文件大?。?/td> 0K
描述： IC MCU I.MX21 266MHZ 289-MAPBGA
標(biāo)準(zhǔn)包裝： 1,000
系列： i.MX21
核心處理器： ARM9
芯體尺寸： 32-位
速度： 266MHz
連通性： 1 線，EBI/EMI，I²C，IrDA，MMC，智能卡，SPI，SSI，UART/USART，USB OTG
外圍設(shè)備： DMA，I²S，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 192
程序存儲(chǔ)器類型： ROMless
電壓 - 電源 (Vcc/Vdd)： 1.45 V ~ 3.3 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 289-LFBGA
包裝： 帶卷 (TR)
MC9328MX21 Technical Data, Rev. 3.4
14
Freescale Semiconductor
Specifications
3
Specifications
This section contains the electrical specifications and timing diagrams for the i.MX21 processor.
3.1
Maximum Ratings
Table 3 provides the maximum ratings.
CAUTION
Stresses beyond those listed under “Maximum Ratings,” (Table 3) may cause
permanent damage to the device. These are stress ratings only. Functional operation
of the device at these or any other conditions beyond those indicated under
“266 MHz Recommended Operating Range” (Table 4) is not implied. Exposure to
maximum-rated conditions for extended periods may affect device reliability.
3.2
Recommended Operating Range
Table 4 provides the recommended operating ranges. The device has multiple pairs of VDD and VSS
power supply and return pins. QVDD, QVDDx, 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 VDDA pins are supply voltages to the analog pads, it is recommended to isolate and noise-filter
the VDDA pins from other VDD pins.
Supply Pins – Analog Modules
VDDA
Supply for analog blocks
QVSS (internally
connected to AVSS)
Quiet GND for analog blocks (QVSS and AVSS are synonymous)
Internal Power Supplies
QVDD
Power supply pins for silicon internal circuitry
QVSS
Quiet GND pins for silicon internal circuitry
QVDDX
Power supply pin for the ARM core. Externally connect directly to QVDD
Table 3. Maximum Ratings
Ref. Num
Parameter
Symbol
Min
Max
Units
1
Supply Voltage
QVDDmax, QVDDXmax
-0.3
2.1
V
NVDDmax, VDDAmax
-0.3
3.3
V
2
Input Voltage Range
VImax
-0.3
VDD + 0.31
1. VDD is the supply voltage associated with the input. See Signal Multiplexing Scheme table in the reference manual.
V
3
Storage Temperature Range
Tstorage
-55
150
oC
Table 2. i.MX21 Signal Descriptions (Continued)
Signal Name
Function/Notes
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