參數(shù)資料
型號: MCIMX281AVM4B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 454 MHz, RISC PROCESSOR, PBGA289
封裝: 14 X 14 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-289
文件頁數(shù): 7/72頁
文件大?。?/td> 915K
代理商: MCIMX281AVM4B
i.MX28 Applications Processors Data Sheet for Automotive Products, Rev. 1
Freescale Semiconductor
15
3.1.2.1
Recommended Operating Conditions for Specific Clock Targets
Table 14 through Table 18 provide the recommended operating conditions for specific clock targets.
VDDIO Maximum Output Current (VDDIO = 3.30 V, VDD5V = 4.40 V)
200
mA
VDDM Maximum Output Current (VDDM = 1.5 V)
160
mA
VDDA Maximum Output Current (VDDA =1.8 V)
225
mA
VDDD Maximum Output Current (VDDD =1.2 V)
200
mA
DCDC Converters
Output Voltage Accuracy (DCDC_VDDIO, DCDC_VDDA,
DCDC_VDDD)1
–3
+3
%
DCDC_VDDD Maximum Output Current (VDDD = 1.55 V)
2, 3
250
mA
DCDC_VDDA Maximum Output Current (VDDA =1.8 V)
200
mA
DCDC_VDDIO Maximum Output Current (VDDIO = 3.15 V, 3.3 V < BATT
< 4.242 V)2, 3, 4
250
mA
VDD4P2 Regulated Output
VDD4P2 Output Voltage Accuracy (TARGET=4.2V)1
–3
+3
%
VDD4P2 Output Current Limit Accuracy (VDD5V = 4.75 V,
ILIMIT=480 mA)5
TBD
480
TBD
mA
VDD4P2 Output Current Limit Accuracy (VDD5V=4.75 V,
ILIMIT=100 mA)5
TBD
100
TBD
mA
Battery Charger
Final Charge Voltage Accuracy (TARGET=4.2 V)
-2
+1
%
1 No load.
2 DCDC Double FETs Enabled, Inductor Value = 15
μH.
3 The DCDC Converter is a triple output buck converter. The maximum output current capability of each output of the converter
is dependent on the loads on the other two outputs. For a given output, it may be possible to achieve a maximum output current
higher than that specified by ensuring the load on the other outputs is well below the maximum.
4 Assumes simultaneous load of IDDD = 250 mA@ 1.55 V and IDDA = 200 mA@1.8 V.
5 Untuned.
Table 14. System Clocks
Name
Min. Freq. (MHz)
Max. Freq. (MHz)
Description
clk_gpmi
TBD
General purpose memory interface clock domain
clk_ssp
TBD
SSP interface clock domain
Table 13. Power Supply Characteristics (continued)
Parameter
Typ
Max
Units
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