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RCV56HCF PCI/CardBus Modem Designer’s Guide
1129
ROCKWELL PROPRIETARY INFORMATION
3-9
Table 3-2. Bus Interface Pin Signal Definitions (Cont’d)
Label
I/O Type
Signal Name/Description
MDP INTERFACE
DA0-DA4
Ot2
Device Bus Address Lines 0-4. Connect to the MDP RS0-RA4 pins, respectively.
DD0-DD7
It/Ot12
Device Bus Data Line 0-7. Connect to the MDP D0-D7 pins, respectively.
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
MDP IRQ pin.
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.
Содержание RCV56HCF
Страница 69: ...NOTES Inside Back Cover...