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# E1000 | ||
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# Références | ||
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- [Intel i217 datasheet](https://www.mouser.com/datasheet/2/612/i217-ethernet-controller-datasheet-257741.pdf) | ||
- [Intel 82540EM datasheet](https://www.intel.com/content/dam/doc/manual/pci-pci-x-family-gbe-controllers-software-dev-manual.pdf) | ||
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# RTL8139 | ||
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# Référence | ||
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- [RTL8139D Datasheet](http://realtek.info/pdf/rtl8139d.pdf) |
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# UART8250 / UART16750 | ||
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<div align="center"> | ||
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[![NS 8250B](https://upload.wikimedia.org/wikipedia/commons/c/ce/UART_chip_NS_8250B.jpg)](https://commons.wikimedia.org/wiki/File:UART_chip_NS_8250B.jpg) | ||
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</div> | ||
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## Les registres | ||
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| Offset | Nom | Ecriture | Lecture | | ||
| -----------------|-----------------------------------------|-----------|---------| | ||
| 0x0 (DLAB == 0) | Transmit Holding Register (THR) | ✔️ | ❌ | | ||
| 0x0 (DLAB == 0) | Receive Buffer Register (RBR) | ❌ | ✔️ | | ||
| 0x1 (DLAB == 0) | Interrupt Enable Register (IER) | ✔️ | ✔️ | | ||
| 0x2 | Interrupt Identification Register (IIR) | ❌ | ✔️ | | ||
| 0x3 | Line Control Register (LCR) | ✔️ | ✔️ | | ||
| 0x4 | Modem Control Register (MCR) | ✔️ | ✔️ | | ||
| 0x5 | Line Status Register (LSR) | ✔️ | ✔️ | | ||
| 0x6 | Modem Status Register (MSR) | ✔️ | ✔️ | | ||
| 0x7 | Scratch Register (SCR) | ✔️ | ✔️ | | ||
| 0x0 (DLAB == 1) | Divisor Latch LSB (DLL) | ✔️ | ✔️ | | ||
| 0x1 (DLAB == 1) | Divisor Latch MSB (DLH) | ✔️ | ✔️ | | ||
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### Transmit Holding Register (THR) | ||
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Tout ce qui sera ecrit sur ce registre sera transmis en liaison série. | ||
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### Receive Buffer Register (RBR) | ||
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## Interrupt Enable Register (IER) | ||
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| 7-4 | 3 | 2 | 1 | 0 | | ||
|----------|--------------|----------------------|-----------|-------------------------| | ||
| reserved | MODEM Status | Receiver Line Status | THR Empty | Received Data Available | | ||
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## Interrupt Identification Register (IIR) | ||
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## Références | ||
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- [Datasheet](https://web.archive.org/web/20160503070506/http://archive.pcjs.org/pubs/pc/datasheets/8250A-UART.pdf) |