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| 型號(hào)： | PM5352-B1 |
| 英文描述： | Interface IC |
| 中文描述： | 接口IC |
| 文件頁數(shù)： | 37/77頁 |
| 文件大?。?/td> | 901K |
| 代理商： | PM5352-B1 |
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PM5352 S/UNI STAR
DATA SHEET
PMC-1990421
ISSUE 2
SATURN USER NETWORK INTERFACE 155 (STAR)
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
33
Pin Name
Type
Pin
No.
Function
REOP
Output
(POS)
L23
POS-PHY Receive End Of Packet (REOP).
The REOP signal marks the end of packet on the
RDAT[15:0] bus. When the RXFP-50 is selected,
REOP is set high to mark the last word of the
packet presented on the RDAT[15:0] bus. During
this same cycle RMOD is used to indicate if the last
word has 1 or 2 bytes. It is legal to set RSOP high
at the same time REOP is high. This provides
support for one or two bytes packets, as indicated
by the value of RMOD. REOP is only used in POS
mode.
REOP is tristated when RENB is deasserted. REOP
is also tristated when either the null-PHY address
(0x7H) or an address not matching the address
space is latched from the RADR[2:0] inputs when
RENB is high.
REOP is updated on the rising edge of RFCLK.
POS-PHY Receive Error (RERR).
The RERR signal indicates that the current packet
is aborted. RERR can only be asserted during the
last word transfer, at the same time REOP is
asserted. RERR is only used in POS mode.
RERR is tristated when RENB is deasserted. RERR
is also tristated when either the null-PHY address
(0x7H) or an address not matching the address
space is latched from the RADR[2:0] inputs when
RENB is high.
RERR is updated on the rising edge of RFCLK.
RERR
Output
(POS)
L22
This Material Copyrighted by Its Respective Manufacturer
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