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 | RCV56HCF PCI/CardBus Modem Designer’s Guide | |
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 | Table  | 
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| Label | I/O Type | 
 | Signal Name/Description | 
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 | MDP INTERFACE | 
| Ot2 | 
 | Device Bus Address Lines  | |
| It/Ot12 | 
 | Device Bus Data Line  | |
| DRD# | Ot2 | 
 | Device Bus Read Enable. Connect to the MDP READ# pin. | 
| DWR# | Ot2 | 
 | Device Bus Write Enable. Connect to the MDP WRITE# pin. | 
| DRESET# | Ot2 | 
 | External Device Active Low Reset. Connect to the MDP RESET1# and RESET2# pins. | 
| WKRES# | Ot12 | 
 | Wakeup Reset. Active low wake input. Connect to the MDP WKRES# pin. | 
| MODEM_CS# | Ot2 | 
 | MDP Data Pump Chip Select. MODEM_CS# output low selects the MDP. Connect to the MDP CS# pin. | 
| MODEM_IRQ | It | 
 | MDP Interrupt Request. MODEM_IRQ is the active low interrupt request from the MDP. Connect to the | 
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 | MDP IRQ pin. | 
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| MODEM_CLK | Ot2 | 
 | Modem Clock. Output clock for MDP. Connect to MDP XTLI pin. | 
| M_TXCLK | It | 
 | Modem Transmit Clock. Connect to MDP M_TXCLK pin. | 
| M_TX | Ot2 | 
 | Modem Transmit Data. Connect to MDP M_TX pin. | 
| M_RXCLK | It | 
 | Modem Receive Clock. Connect to MDP M_RXCLK pin. | 
| M_RX | It | 
 | Modem Receive Data. Connect to MDP M_RX pin. | 
| SI_FRAME | It/Ot | 
 | SI Frame. 8 kHz frame sync; rising edge starts frame. Connect to MDP SI_FRAME pin. | 
| SI_CLK | It/Ot | 
 | SI Clock. Connect to MDP SI_CLK pin. | 
| SI_DD | It | 
 | SI Data Downstream. Connect to MDP SI_DD pin. | 
| SI_DU | Ot2 | 
 | SI Data Upstream. Connect to MDP SI_DU pin. | 
| 1129 | ROCKWELL PROPRIETARY INFORMATION | 
