參數(shù)資料
型號: HYB25R128160C
廠商: SIEMENS AG
英文描述: 128-MBit Direct RDRAM(128 M位直接RDRAM)
中文描述: 128 - Mbit的直接的RDRAM(128米位直接的RDRAM)
文件頁數(shù): 41/93頁
文件大?。?/td> 919K
代理商: HYB25R128160C
Data Book
41
2.00
Direct RDRAM
128/144-MBit (256K
×
16/18
×
32s)
Control Register Packets
Figure 25
SETR, CLRR, SETF Transaction
Table 15
summarizes the formats of the four packet types for control register transactions.
Table 16
summarizes the fields that are used within the packets.
Figure 25
shows the transaction format for the SETR, CLRR, and SETF commands. These
transactions consist of a single SRQ packet, rather than four packets like the SWR and SRD
commands. The same framing sequence on the CMD input is used, however. These commands are
used during initialization prior to any control register read or write transactions.
Table 15
Control Register Packet Formats
SCK
Cycle
SIO0 or
SIO1
for
SRQ
SIO0 or
SIO1
for SA
SIO0 or
SIO1
for
SINT
SIO0 or
SIO1
for SD
SCK
Cycle
SIO0 or
SIO1
for
SRQ
SIO0 or
SIO1
for SA
SIO0 or
SIO1
for
SINT
SIO0 or
SIO1
for SD
0
rsrv
rsrv
0
SD15
8
SOP1
SA7
0
SD7
1
rsrv
rsrv
0
SD14
9
SOP0
SA6
0
SD6
2
rsrv
rsrv
0
SD13
10
SBC
SA5
0
SD5
3
rsrv
rsrv
0
SD12
11
SDEV4
SA4
0
SD4
4
rsrv
SA11
0
SD11
12
SDEV3
SA3
0
SD3
5
SDEV5
SA10
0
SD10
13
SDEV2
SA2
0
SD2
6
SOP3
SA9
0
SD9
14
SDEV1
SA1
0
SD1
7
SOP2
SA8
0
SD8
15
SDEV0
SA0
0
SD0
SPT04229
The packet is repeated
from SIO0 to SIO1
SRQ packet - SETR/CLRR/SETF
SIO1
1
0
0
SRQ packet-SETR/CLRR/SETF
1111
SIO0
CMD
0000
SCK
T4
00000000...00000000
1
1
0
0
T20
1
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