參數(shù)資料
型號: SYM53C180
廠商: LSI Corporation
英文描述: Ultra3 SCSI Bus Expander(Ultra2 SCSI總線擴展器)
中文描述: 個Ultra3 SCSI總線擴展(Ultra2的SCSI總線擴展器)
文件頁數(shù): 24/78頁
文件大?。?/td> 1073K
代理商: SYM53C180
2-6
Functional Descriptions
2.1.7 SCSI Signal Descriptions
For a description of a specific signal, see
Section 3.1, “Signal
Descriptions,”
in
Chapter 3
. For signal electrical characteristics, see
Section 3.2, “Electrical Characteristics.”
For SCSI bus signal timing, see
Section 3.2.4, “SCSI Interface Timing.” Figure 2.2
shows the
SYM53C180 signal grouping. A description of the signal groups follows.
Figure 2.2
SYM53C180 Signal Grouping
2.1.7.1 Data and Parity (SD and SDP)
The signals named A_SD[15:0] and A_SDP[1:0] are the data and parity
signals from the A Side, and B_SD[15:0] and B_SDP[1:0] are the data
and parity signals from the B Side of the SYM53C180. These signals are
sent and received from the SYM53C180 by using SCSI compatible
drivers and receiver logic designed into the SYM53C180 interfaces. This
logic provides the multimode LVD and SE interfaces in the chip. This
A_SSEL+
A_SSEL-
A_SBSY+
A_SBSY-
A_SRST+
A_SRST-
A_SREQ+
A_SREQ-
A_SACK+
A_SACK-
A_SMSG+
A_SMSG-
A_SCD+
A_SCD-
A_SIO+
A_SIO-
A_SATN+
A_SATN-
A_SDP[1:0]+
A_SDP[1:0]-
A_SD[15:0]+
A_SD[15:0]-
A_DIFFSENS
A_RBIAS
RESET/
WS_ENABLE
XFER_ACTIVE
CLOCK
B_SSEL+
B_SSEL-
B_SBSY+
B_SBSY-
B_SRST+
B_SRST-
B_SREQ+
B_SREQ-
B_SACK+
B_SACK-
B_SMSG+
B_SMSG-
B_SCD+
B_SCD-
B_SIO+
B_SIO-
B_SATN+
B_SATN-
B_SDP[1:0]+
B_SDP[1:0]-
B_SD[15:0]+
B_SD[15:0]-
B_DIFFSENS
B_RBIAS
BSY_LED
A Side
LVD or SE
SCSI Interface
B Side
LVD or SE
SCSI Interface
Control Signals
SYM53C180
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