参数资料
型号: AT89STK-05
厂商: Atmel
文件页数: 6/22页
文件大小: 0K
描述: KIT STARTER FOR AT89C5131
标准包装: 1
主要目的: *
嵌入式: *
已用 IC / 零件: AT89C5131
主要属性: *
次要属性: *
已供物品: 板,文档,软件
相关产品: AT89C5131A-PLTUL-ND - IC MCU 32KB 3-3.6V USB 48-VQFN
AT89C5131A-TISUL-ND - MCU 8051 32K FLASH USB 28-SOIC
AT89C5131A-S3SUL-ND - MCU 8051 32K FLASH USB 52-PLCC
AT89C5131A-RDTUL-ND - MCU 8051 32K FLASH USB 64-VQFP
AT89C5131A-S3SUM-ND - IC 8051 MCU FLASH 32K USB 52PLCC
AT89C5131A-PUTUM-ND - IC 8051 MCU FLASH 32K USB 32QFN
AT89C5131A-TISIL-ND - IC 8051 MCU FLASH 32K USB 28SOIC
AT89C5131A-S3SIM-ND - IC 8051 MCU FLASH 32K USB 52PLCC
AT89C5131A-PUTIM-ND - IC 8051 MCU FLASH 32K USB 32QFN
AT89C5131A-RDTUM-ND - IC 8051 MCU FLASH 32K USB 64VQFP
更多...
Hardware Description
2.2
Power Supply
The on-board power supply circuitry allows various power supply configurations.
The power source can be:
V BUS from USB (5V)
V BUS from USB (5V) through the current limiter
External power supply (from 6 to 12V) or 9V battery
The voltage output can be the direct power source, regulated at 5V or 3.3V.
The power supply selection is performed using the JP2, JP3, JP4 and JP5 jumpers.
The power supply can be turned on/off using the “power” switch (SW6). Once the power
is established, the power LED (D9) is lit.
Figure 2-2. Different Power Configurations
Power
Source
Regulation
Direct Input
VBUS
PWR.S.
LIM
REG
VBUS and
Current Limiter
PWR.S.
LIM
REG
External
PWR.S.
LIM
REG
VCC
5V
VCC
5V
VCC
5V
PWR
PWR.S.
LIM
3.3V
PWR
PWR.S.
LIM
3.3V
PWR
PWR.S.
LIM
3.3V
5V Regulate
REG
REG
REG
VCC
5V
VCC
5V
VCC
5V
PWR
PWR.S.
LIM
3.3V
PWR
PWR.S.
LIM
3.3V
PWR
PWR.S.
LIM
3.3V
3.3V Regulate
REG
REG
REG
VCC
5V
VCC
5V
VCC
5V
PWR
3.3V
PWR
3.3V
PWR
3.3V
2-4
4245A–USB–11/04
AT89C5131A Starter Kit Hardware User Guide
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