参数资料
型号: AT91SAM9X25-EK
厂商: Atmel
文件页数: 36/95页
文件大小: 0K
描述: KIT EVAL FOR AT91SAM9G25
标准包装: 1
系列: AT91SAM
类型: MCU
适用于相关产品: AT91SAM9X25
所含物品: 板,线缆,电源
Evaluation Kit Hardware
4.3.3.2
Power Supplies
The EK Board features one adjustable LDO. It accepts DC 5V power input and outputs a regulated
+3.3V to most other circuits on the board through four 3.3V rails.
VDDPIO0
VDDPIO1
VDDANA
VDDISI
This LDO is enabled through a dual FET scheme. The processor can assert SHDN (which is a VDDBU-
powered I/O) to shut down the LDO to enter the so-called backup mode. The regulator on CM board is
also shut down by the action of the SHDN signal.
If the 3V battery is mounted on J5, both CM and EK boards can be woken up by action on the BP2 but-
ton, which drives the WKUP signal (also a VDDBU-powered I/O).
Figure 4-18. EK Board Power Management
Evaluation Kit (EK) User Guide
4-25
11115A–ATARM–27-Jul-11
相关PDF资料
PDF描述
AT91SAM9G25-EK KIT EVAL FOR AT91SAM9G25
V300C15C75BG3 CONVERTER MOD DC/DC 15V 75W
AIUR-06-332K INDUCTOR POWER 3300UH 10% T/H
AFK227M63H32T-F CAP ALUM 220UF 63V 20% SMD
V300C15C75BG2 CONVERTER MOD DC/DC 15V 75W
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