|
| RCV56HCF PCI/CardBus Modem Designer’s Guide | |
|
|
| Table |
|
|
|
|
Label | I/O Type |
| Signal Name/Description |
|
|
| ISDN INTERFACE |
Ot2 |
| Device Bus Address Lines | |
It/Ot12 |
| Device Bus Data Line | |
DRD# | Ot2 |
| Read Enable. Connect to the MDP only |
DWR# | Ot2 |
| Write Enable. Connect to the MDP only |
ISDN_CS# | Ot2 |
| ISDN Chip Select. Leave open. |
ISDN_INT | It |
| ISDN Interrupt Request. Connect to GND. |
DRESET# | Ot2 |
| External Device Active Low Reset. Leave open. |
|
|
| ISDN INTERFACE (ISDN MODELS) |
Ot2 |
| Device Bus Address Lines | |
It/Ot12 |
| Device Bus Data Line | |
DRD# | Ot2 |
| Read Enable. Connect to the ISDN interface device RD# pin. |
DWR# | Ot2 |
| Write Enable. Connect to the ISDN interface device WR# pin. |
ISDN_CS# | Ot2 |
| ISDN Chip Select. Connect to the ISDN interface device CS# pin. |
ISDN_INT | It |
| ISDN Interrupt Request. Connect to the ISDN interface device INT# pin. |
DRESET# | Ot2 |
| External Device Active Low Reset. Connect to the ISDN interface device RESET# pin. |
Notes: |
|
|
|
1. I/O types: |
|
|
|
I/Opod | Input/Output, PCI, open drain (PCI type =o/d) | ||
I/Opsts | Input/Output, PCI, sustained tristate (PCI type = s/t/s) | ||
I/Opts | Input/Output, PCI, tristate (PCI type = t/s) | ||
Ip | Input, PCI, totem pole (PCI type = in) | ||
Ipts | Input, PCI (PCI type = t/s) | ||
It | Input, TTL |
|
|
It2 | Input, TTL, 2 mA | ||
Itpd | Input, TTL, internal | ||
It/Ot | Input, TTL/Output, TTL | ||
It/Ot12 | Input, TTL/Output, TTL, 12 mA | ||
Opod | Output, PCI, open drain (PCI type =o/d) | ||
Opts | Output, PCI, tristate (PCI type = t/s) | ||
Ot | Output, TTL |
|
|
Ot2 | Output, TTL, 2 mA | ||
Ot4 | Output, TTL, 4 mA | ||
Ot12 | Output, TTL, 12 mA |
2.NC = No external connection allowed (may have internal connection).
3.Interface Legend:
MDP = Modem Data Pump
ROCKWELL PROPRIETARY INFORMATION | 1129 |