Difference between revisions of "Hardware/Enut1/Ports"
(Created page with "<div id="content"> = Ethernut 1 Ports = == Expansion Port == [[File:../../../img/ethernut13h-expansion-pins.png]]<br /> {| ! Pin ! Signal ! Description |- | 1 | '''N/C'''...") |
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== Expansion Port == | == Expansion Port == | ||
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== Analog Port == | == Analog Port == | ||
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! Signal | ! Signal |
Latest revision as of 18:26, 13 July 2017
Ethernut 1 Ports
Expansion Port
Pin | Signal | Description |
---|---|---|
1 | N/C Not Connected | Reserved for alternative supply |
2 | N/C Not Connected | Reserved for alternative supply |
3 | VCC5 +5V Power Supply | Output from on-board regulator |
4 | VCC5 +5V Power Supply | Output from on-board regulator |
5 | GND Digital Ground | |
6 | GND Digital Ground | |
7 | GND Digital Ground | |
8 | GND Digital Ground | |
9 | MR\ Hardware Reset Input | Drive low to reset Ethernut. Pressing the reset button pulls this line low. |
10 | DC Unregulated DC Power Supply | Can drive external regulators or as DC input for Ethernut. |
11 | VCC5 +5V Power Supply | Output from on-board regulator |
12 | VCC5 +5V Power Supply | Output from on-board regulator |
13 | RD\ External Memory Bus Read Strobe | |
14 | WR\ External Memory Bus Write Strobe | |
15 | D0 External Data Bus Bit 0 | |
16 | D1 External Data Bus Bit 1 | |
17 | D2 External Data Bus Bit 2 | |
18 | D3 External Data Bus Bit 3 | |
19 | D4 External Data Bus Bit 4 | |
20 | D5 External Data Bus Bit 5 | |
21 | D6 External Data Bus Bit 6 | |
22 | D7 External Data Bus Bit 7 | |
23 | A0 External Address Bus Bit 0 PA0 General Purpose I/O Port A Bit 0 |
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24 | A1 External Address Bus Bit 1 PA1 General Purpose I/O Port A Bit 1 |
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25 | A2 External Address Bus Bit 2 PA2 General Purpose I/O Port A Bit 2 |
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26 | A3 External Address Bus Bit 3 PA3 General Purpose I/O Port A Bit 3 |
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27 | A4 External Address Bus Bit 4 PA4 General Purpose I/O Port A Bit 4 |
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28 | A5 External Address Bus Bit 5 PA5 General Purpose I/O Port A Bit 5 |
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29 | A6 External Address Bus Bit 6 PA6 General Purpose I/O Port A Bit 6 |
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30 | A7 External Address Bus Bit 7 PA7 General Purpose I/O Port A Bit 7 |
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31 | A8 External Address Bus Bit 8 PC0 General Purpose I/O Port C Bit 0 |
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32 | A9 External Address Bus Bit 9 PC1 General Purpose I/O Port C Bit 1 |
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33 | A10 External Address Bus Bit 10 PC2 General Purpose I/O Port C Bit 2 |
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34 | A11 External Address Bus Bit 11 PC3 General Purpose I/O Port C Bit 3 |
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35 | A12 External Address Bus Bit 12 PC4 General Purpose I/O Port C Bit 4 |
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36 | A13 External Address Bus Bit 13 PC5 General Purpose I/O Port C Bit 5 |
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37 | A14 External Address Bus Bit 14 PC6 General Purpose I/O Port C Bit 6 |
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38 | A15 External Address Bus Bit 15 PC7 General Purpose I/O Port C Bit 7 |
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39 | PE0 General Purpose I/O Port E Bit 0 RXD0 UART 0 Receive Input |
UART0 receiver. Connected to level converter output via R18. |
40 | PE1 General Purpose I/O Port E Bit 1 TXD0 UART 0 Transmit Output |
UART0 transmitter. Also used for SPI programming. |
41 | PE2 General Purpose I/O Port E Bit 2 XCK0 USART 0 External Clock |
Available. |
42 | PE3 General Purpose I/O Port E Bit 3 OC3A Counter 3 Compare and PWM A |
Available. |
43 | PE4 General Purpose I/O Port E Bit 4 INT4 External Interrupt 4 |
Available. |
44 | PE5 General Purpose I/O Port E Bit 5 INT5 External Interrupt 5 |
Internally used for Ethernet Controller Interrupt. Available when removing R12 and mounting R31. |
45 | PE6 General Purpose I/O Port E Bit 6 INT6 External Interrupt 6 |
Available by default. Alternative Ethernet Interrupt when |
46 | PE7 General Purpose I/O Port E Bit 7 INT7 External Interrupt 7 |
Available. |
47 | PB0 General Purpose I/O Port B Bit 0 -SS SPI Slave Select Input |
Available. |
48 | PB1 General Purpose I/O Port B Bit 1 SCK SPI Bus Serial Clock |
Available, but used during SPI programming. If used as Ethernut input, the external output |
49 | PB2 General Purpose I/O Port B Bit 2 MOSI SPI Bus Master Output / Slave Input |
Available. |
50 | PB3 General Purpose I/O Port B Bit 3 MISO SPI Bus Master Input / Slave Output |
Available. |
51 | PB4 General Purpose I/O Port B Bit 4 OC0 Counter 0 Compare and PWM |
Available. |
52 | PB5 General Purpose I/O Port B Bit 5 OC1A Counter 1 Compare and PWM A |
Available. |
53 | PB6 General Purpose I/O Port B Bit 6 OC1B Counter 1 Compare and PWM B |
Available. |
54 | PB7 General Purpose I/O Port B Bit 7 OC1C Counter 1 Compare and PWM C |
Available. |
55 | PD0 General Purpose I/O Port D Bit 0 INT0 External Interrupt 0 |
Available. |
56 | PD1 General Purpose I/O Port D Bit 1 INT1 External Interrupt 1 |
Available. |
57 | PD2 General Purpose I/O Port D Bit 2 INT2 External Interrupt 2 |
Available by default. Optional CTS input when R33 is mounted. |
58 | PD3 General Purpose I/O Port D Bit 3 INT3 External Interrupt 3 |
Available by default. Optional RTS output when R32 is mounted. |
59 | PD4 General Purpose I/O Port D Bit 4 ICP1 Counter 1 Input Capture |
Available. |
60 | PD5 General Purpose I/O Port D Bit 5 XCK1 USART 1 External Clock |
Available. |
61 | PD6 General Purpose I/O Port D Bit 6 T1 Counter 1 Clock Input |
Available. |
62 | PD7 General Purpose I/O Port D Bit 7 T2 Counter 2 Clock Input |
Available. |
63 | N/C Not Connected | |
64 | N/C if R34 not mounted ALE External Address Bus Latch Enable |
Analog Port
Pin | Signal | Description |
---|---|---|
1 | AVCC +5V Power Supply | Connected to digital power supply via R13 |
2 | AREF Analog reference | Connected to CPU AREF pin. |
3 | AVCC +5V Power Supply | Connected to digital power supply via R13 |
4 | AGND Analog ground | Connected to digital ground via R15. |
5 | PF0 General Purpose I/O Port F Bit 0 ADC0 Analog/Digital Converter Channel 0 |
Available. |
6 | AGND Analog ground | Connected to digital ground via R15. |
7 | PF1 General Purpose I/O Port F Bit 1 ADC1 Analog/Digital Converter Channel 1 |
Available. |
8 | AGND Analog ground | Connected to digital ground via R15. |
9 | PF2 General Purpose I/O Port F Bit 2 ADC2 Analog/Digital Converter Channel 2 |
Available. |
10 | AGND Analog ground | Connected to digital ground via R15. |
11 | PF3 General Purpose I/O Port F Bit 3 ADC3 Analog/Digital Converter Channel 3 |
Available. |
12 | AGND Analog ground | Connected to digital ground via R15. |
13 | PF4 General Purpose I/O Port F Bit 4 ADC4 Analog/Digital Converter Channel 4 |
Available, but used during JTAG programming/debugging. |
14 | AGND Analog ground | Connected to digital ground via R15. |
15 | PF5 General Purpose I/O Port F Bit 5 ADC5 Analog/Digital Converter Channel 5 |
Available, but used during JTAG programming/debugging. |
16 | AGND Analog ground | Connected to digital ground via R15. |
17 | PF6 General Purpose I/O Port F Bit 6 ADC6 Analog/Digital Converter Channel 6 |
Available, but used during JTAG programming/debugging. |
18 | AGND Analog ground | Connected to digital ground via R15. |
19 | PF7 General Purpose I/O Port F Bit 7 ADC7 Analog/Digital Converter Channel 7 |
Available, but used during JTAG programming/debugging. |
20 | AGND Analog ground | Connected to digital ground via R15. |