Normal/Fast Memory ( 128 Kbytes) Multiple Byte Access Read Cycle - LSI LSI53C875A Technical Manual

Pci to ultra scsi controller
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Figure 6.27 Normal/Fast Memory ( = 128 Kbytes) Multiple Byte Access Read Cycle
CLK
(Driven by System)
FRAME/
(Driven by Master)
AD
(Driven by LSI53C875A-
Master-Addr; Data)
C_BE[3:0]/
(Driven by Master)
PAR
(Driven by LSI53C875A-
Master-Addr; Data)
IRDY/
(Driven by Master)
TRDY/
(Driven by LSI53C875A)
STOP/
(Driven by LSI53C875A)
DEVSEL/
(Driven by LSI53C875A)
MAD
(Addr Driven by LSI53C875A;
Data driven by Memory)
MAS1/
(Driven by LSI53C875A)
MAS0/
(Driven by LSI53C875A)
MCE/
(Driven by LSI53C875A)
MOE/
(Driven by LSI53C875A)
MWE/
(Driven by LSI53C875A)
6-44
0
2
4
Addr In
CMD
In
Address
Electrical Specifications
6
8
Byte Enable
Upper
Middle
Lower
Address
Address
10
12
14
16
17

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