Chapter 3 |
|
| Hardware | |
|
|
|
|
|
| Pin # | Signal | Input/ | Description |
|
|
| Output |
|
| 106 (D16) | AD19 | T/S | PCI Address and Data Bus Line 19 – Refer to |
|
|
|
| information. |
| 107 (D17) | +3.3V |
| +3.3 volt power supply ±5% |
| 108 (D18) | IDSEL2 |
| Initialization Device Select 2 – Refer to |
|
|
|
| information. |
| 109 (D19) | IDSEL3 |
| Initialization Device Select 3 – Refer to |
|
|
|
| information. |
| 110 (D20) | GND |
| Digital Ground |
| 111 (D21) | AD27 | T/S | PCI Address and Data Bus Line 27 – Refer to |
|
|
|
| information. |
| 112 (D22) | AD31 | T/S | PCI Address and Data Bus Line 31 – Refer to |
|
|
|
| information. |
| 113 (D23) | VI/O |
| +5 volt power supply ±5% |
| 114 (D24) | GNT0* | T/S | Grant 0 – Refer to |
| 115 (D25) | GND |
| Digital Ground |
| 116 (D26) | CLK1 | In | PCI clock 1 – Refer to |
|
|
|
|
|
| 117 (D27) | GND |
| Digital Ground |
| 118 (D28) | RST* | In | PCI bus reset – This signal is an output signal to reset the entire |
|
|
|
| PCI Bus. This signal will be asserted during system reset |
| 119 (D29) | INTC* | O/D | Interrupt C – This signal is used to request interrupts only for |
|
|
|
| |
| 120 (D30) | GND |
| Digital Ground |
|
|
|
|
|
Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic.
The Input/Output signals in this table refer to the input/output signals listed in the PCI Local Bus Manual, Revision 2.2, Chapter 2, paragraph 2.1, Signal definitions. The following terms or acronyms are used in this table:
•In – Input is standard input only signal
•Out – Totem Pole output is a standard active driver
•T/S –
•S/T/S – Sustained
•O/D – Open Drain allows multiple devices to share as a
ReadyBoard 700 | Reference Manual | 27 |