mbhp_genesis_ls
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mbhp_genesis_ls [2016/04/02 17:13] sauraen |
mbhp_genesis_ls [2016/11/22 19:17] sauraen [Parts List] |
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| Both buffers must be powered from +5V, not +3.3V or whatever the MCU uses. In addition, the MCU must be tolerant of 5V signals being applied to its I/O pins (the CORE_STM32F4 module is tolerant)--otherwise it will damage the MCU! | Both buffers must be powered from +5V, not +3.3V or whatever the MCU uses. In addition, the MCU must be tolerant of 5V signals being applied to its I/O pins (the CORE_STM32F4 module is tolerant)--otherwise it will damage the MCU! | ||
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| + | ===== Parts List ===== | ||
| + | ^ Qty ^ Ref. Deg. ^ Part Name ^ Mouser Part Number ^ Description / Notes ^ | ||
| + | | 1 | U101 | 74HCT245 | 595-SN74HCT245N | Bidirectional buffer chip | | ||
| + | | 1 | U102 | 74HCT541 | 595-SN74HCT541N | Buffer chip | | ||
| + | | 2 | [U101], [U102] | 20-pin 0.3" DIP socket | 571-1-2199298-6 | Socket for chips | | ||
| + | | 2 | J101, J102 | 10x2 pin header, 0.1" pitch | 649-68691-420HLF | Connectors to core and MBHP_Genesis module | | ||
| + | | 1 | J103 | 2x1 pin header, 0.1" pitch | 571-826936-2 | Connector for +5V power from core | | ||
| + | | 2 | C101, C102 | 0.1 uF | 21RZ310-RC | Power supply filtering capacitors for chips (place one next to each chip's +5V connection) | | ||
| + | | 1 | C103 | 10 uF | 140-REA100M1HBK0511P | Power supply filtering capacitor for board | | ||
mbhp_genesis_ls.txt ยท Last modified: 2016/11/22 19:22 by sauraen
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