Intel® PXA27x Processor Family Power Requirements
Figure 1. Intel® PXA27x Processor Internal and External Power Domains
VCC_PLL VCC_CORE
VCC OSC |
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| 312 M |
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PXTAL | VCC_OSC |
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13 M |
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TXTAL |
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32.768 k |
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VCC_SRAM
VCC_CPU | CPU |
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VCC_PER
SRAM
Control
DMA/
Bridge
VCC_R3 |
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| Intr |
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| Control |
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| MEM |
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| Control |
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| VCC_ | |
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| LCD |
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| LCD |
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| Control |
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| VCC | ||
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| VCC USB | |
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| 48.000 M |
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| 48.000 M |
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| VCC_RTC |
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| 32.768 k |
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REG |
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VCC_ |
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| 32.768 k |
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| PWR_I2C | VCC_PI |
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| 13 M |
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| Timer |
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| 13 M |
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SRAM |
3 |
VCC_R2 |
SRAM
2
VCC_R1 |
SRAM |
1 |
VCC_R0 |
SRAM
0
ICP
48.000 M
I2S
prg. frq.
MMC
19.500 M
BB
48.000 M
USIM
48.000 M
VCC IO |
VCC BB |
VCC USIM |
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| SSPs |
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| TCK |
| 32.768 k |
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| 13 M |
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VCC_BATT
PWMs 13 M
I2C
32.842 M
| UARTs |
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14.857 M |
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MSHC
19.500 M
VCC_IO
Application Note | 7 |