cx28250 Mindspeed Technologies, cx28250 Datasheet - Page 88

• Manufacturer Part Number: cx28250
• Description: Cx28250 Atm Physical Interface Phy Devices
• Manufacturer: Mindspeed Technologies

3.0 Applications
3.1 System Application
Figure 3-1. CX28250 and CX28236 SAR Application Diagram
3-2
NOTE(S):
(1)
(2)
(3)
Can be driven by external circuitry to extend cycles.
Can be used by external circuitry.
A pulldown resistor is required on UTxClav, URxClav, URxSOC, and URXPrty to ensure correct startup of the CX28236
UTOPIA interface.
PCI
Bus
CX28236
LADDR[18:0]
RxData[15:0]
PROCMODE
TxData[15:0]
LDATA[31:0]
RxAddr[4:0]
RAMMODE
TxAddr[4:0]
PBSEL[1,0]
MWR[3:0]*
PADDR[0]
PADDR[1]
RXFLAG*
PBE[3:0]*
TXFLAG*
RXMARK
PBLAST*
TXMARK
SYSCLK
PDAEN*
MCS[3]*
MCS[2]*
MCS[1]*
MCS[0]*
PWAIT*
RXPAR
TXPAR
CLKD3
RXEN*
PFAIL*
PRDY*
PRST*
PWNR
MWR*
TXEN
MOE*
PCS*
PAS*
GND for x8 or x4
Pullup for x16
For x16 SRAM
Pullup (1)
N/C (2)
Pullup
SRAMCS*
SRAMCS*
SRAMCS*
SRAMCS*
Pullup
Open
GND
GND
GND
GND
GND
Mindspeed Technologies
(3)
(3)
(3)
(3)
VCC
UTxData[15:0]
UTxClAv
UTxEnb*
UTxSOC
UTxPrty
UTxAddr[4:0]
UTxClk
URxClk
URxData[15:0]
URxClAv
URxEnb*
URxSOC
URxPrty
URxAddr[4:0]
MCs*
MClk, MAcsSel
Reset*
MInt*
MAs*, MWr*
MW/R*, MRd*
MData[7:0]
MAddr[6:0]
MSyncMode
D[31:0]
A[18:0]
OE*
WE[3:0]*
™
CX28250
SRAM
ATM Physical Interface (PHY) Devices
Device
PMD
28250-DSH-002-C
Fiber
500035_021
CX28250