cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 67
cn8237
Manufacturer Part Number
cn8237
Description
Atm Oc-12 Servicesar Plus With Xbr Traffic Management
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8237.pdf
(415 pages)
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CN8237
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
Table 2-1. Hardware Signal Definitions (4 of 6)
28237-DSH-001-C
RxCLK
UTOPIA1
PADDR[12:0]
PCS*
PAS*
PWNR
PDS*
PCLK
PDATA [7:0]
PINT*
PRST*
PWAIT*
Pin Label
Framer Control/Clock
UTOPIA level select
PHY Address
ATM PHY Chip Select
Address Strobe
Write/Not Read
Data/Address Strobe
PHY Bus CLK
PHY Data Bus
Interrupt Input
Reset Output
PHY Interface Wait
Signal Name
Mindspeed Technologies
I/O
I/O
O
O
O
O
O
O
O
I
I
I
I
(1)
UTOPIA receive clock.
Selects level 1/level 2 operation. In level 1 mode, address
pins are forced to be outputs independent of master/slave
mode. When UTOPIA1 input is a logic high, the UTOPIA
address signals, TxADDR[4:0] and RxADDR[4:0], are
forced as outputs. This pin must be pulled high or low.
Address bus to PHY device.
The PCS* is connected to the chip select input of the
Mindspeed PHY device.
PAS* is used to drive the AS* pin of the Mindspeed PHY
device.
This output provides the same function for the Mindspeed
PHY device. Logic 1 writes; logic 0 reads.
PHY device data strobe.
Interface clock to PHY device.
PHY Device Data Bus.
PHY device interrupt signal.
Asserted by the CN8237 whenever the HRST* input is
asserted.
Externally generated signal to extend PHY device
accesses.
™
2.10 Logic Diagram and Pin Descriptions
Definition
2.0 Architecture Overview
2-33
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