參數(shù)資料
型號: PXA270
廠商: Intel Corp.
英文描述: Electrical, Mechanical, and Thermal Specification
中文描述: 電氣,機(jī)械和熱規(guī)格
文件頁數(shù): 53/126頁
文件大小: 1563K
代理商: PXA270
Electrical, Mechanical, and Thermal Specification
5-3
Intel PXA270 Processor
Electrical Specifications
Table 5-3
shows the supported memory frequency and memory supply voltage operating ranges for
the PXA270 processor.
VVCC3b
Voltage applied on VCC_LCD @2.5V
(+10 / -10%)
2.25
2.50
2.75
V
VVCC3c
Voltage applied on VCC_LCD @3.0V
(+10 / -10%)
2.70
3.0
3.30
V
VVCC3d
Voltage applied on VCC_LCD @3.3V
(+10 / -10%)
2.97
3.3
3.63
V
Tsysramp
Ramp Rate
10
12
mV/uS
VCC_IO Voltages
VVCC4a
Voltage applied on VCC_IO @3.0V
(+10 / -10.3%)
2.69175
3.0
3.30
V
VVCC4b
Voltage applied on VCC_IO @3.3V
(+10 / -10%)
2.97
3.3
3.63
V
Tsysramp
Ramp Rate
10
12
mV/uS
NOTE:
VCC_IO must be maintained at a voltage as high as or higher than, all other supplies except for
VCC_BATT and VCC_USB
VCC_USIM Voltages
VVCC5a
Voltage applied on VCC_USIM @1.8V
(+20 / -5%)
1.71
1.80
2.16
V
VVCC5b
Voltage applied on VCC_USIM @3.0V
(+10 / -10%)
2.70
3.0
3.30
V
Tsysramp
Ramp Rate
10
12
mV/uS
NOTE:
If the system does NOT use the USIM module, VCC_USIM can be tied to VCC_IO (at any supported
VCC_IO voltage level). This allows the GPIO’s on VCC_USIM to be used at the same voltage level as
VCC_IO GPIO’s.
NOTE:
Software must NOT configure USIM signals to be used if this is done.
VCC_SRAM Voltage
VVCC6
Voltage applied on VCC_SRAM @1.1V
(+10 / -10%)
0.99
1.10
1.21
V
Tpwrramp
Ramp Rate
10
12
mV/uS
VCC_USB Voltage
VVCC7a
Voltage applied on VCC_USB @3.0V
(+10 / -10%)
2.70
3.00
3.30
V
VVCC7b
Voltage applied on VCC_USB @3.3V
(+10 / -10%)
2.97
3.30
3.63
V
Tsysramp
Ramp Rate
10
12
mV/uS
System design must ensure that the device case temperature is maintained within the specified limits. In
some system applications it may be necessary to use external thermal management (for example, a
package-mounted heat spreader) or configure the device to limit power consumption and maintain
acceptable case temperatures.
Table 5-2. Voltage, Temperature, and Frequency Electrical Specifications (Sheet 2 of 2)
Symbol
Description
Min
Typical
Max
Units
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