Техническая Спецификация для Silicon Image Drive SSD-P08G(I)-3521
A
TTRIBUTE
M
EMORY
D
ESCRIPTION
AND
O
PERATION
SSD-P
XXX
(I)-3521 D
ATA
S
HEET
S
ILICON
S
YSTEMS
P
ROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
3521P-02DSR
P
AGE
23
F
EBRUARY
2, 2009
A
TTRIBUTE
M
EMORY
D
ESCRIPTION
AND
O
PERATION
The attribute memory plane can be read or written to by asserting the REG#
signal, qualified by the appropriate combination of CE1#, OE#, and WE#. An
attribute memory map describing the type and location of the information
maintained in the attribute memory plane is provided in
signal, qualified by the appropriate combination of CE1#, OE#, and WE#. An
attribute memory map describing the type and location of the information
maintained in the attribute memory plane is provided in
With respect to SiliconDrive CF, attribute memory consists of two sections:
• Card Information Structure (CIS), which contains a description of the Card’s
capabilities and specifications.
• Function Configuration Registers (FCRs), which consists of four registers,
that can be read or written to by a host to configure the Card for specific
purposes.
A
TTRIBUTE
M
EMORY
R
EAD
O
PERATIONS
Attribute memory read operations are enabled by asserting REG#, OE#, and
CE1# low. Odd byte read operations from the attribute memory plane are not
valid.
CE1# low. Odd byte read operations from the attribute memory plane are not
valid.
Table 18: Attribute Memory Read Operations
Function
Mode
Mode
REG# CE1# CE2# A0
OE#
WE# D[15:8]
D[7:0]
Standby
L
H
H
X
X
X
High-Z
High-Z
Byte Access
L
L
H
L
L
H
High-Z
Even
L
H
L
H
L
H
High-Z
Not Valid
Word Access L
L
L
X
L
H
Not Valid Even
Odd Byte
Only Access
Only Access
L
L
H
X
H
H
Not Valid High-Z