smc032af STMicroelectronics, smc032af Datasheet - Page 35
smc032af
Manufacturer Part Number
smc032af
Description
32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte And 512 Mbyte 3.3 V / 5 V Supply Compactflash Card
Manufacturer
STMicroelectronics
Datasheet
1.SMC032AF.pdf
(82 pages)
- Current page: 35 of 82
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SMCxxxAF
6.5
Table 31.
1. The
Standby
Read Byte Access CIS
(8 bits)
Write Byte Access CIS
(8 bits) Invalid
Read Byte Access
Configuration
(8 bits)
Write Byte Access
Configuration
(8 bits)
Read Byte Access
Configuration CF+ (8
bits)
Read Word Access CIS
(16 bits)
Write Word Access CIS
(16 bits) Invalid
Read Word Access
Configuration (16 bits)
Write Word Access
Configuration (16 bits)
Function mode
–
CE signal or both the
Attribute memory function
Attribute memory is a space where identification and configuration information are stored,
and is limited to 8 bit wide accesses at even addresses. The Card Configuration registers
are also located here, the base address of the configuration registers is 200h.
For the attribute memory Read function, signals
inactive during the cycle. As in the main memory read functions, the signals
control the even and odd byte address, but only the even byte data is valid during the
attribute memory access. Refer to
Attribute memory function
–REG –CE2
–
OE signal and the
X
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
L
L
L
–CE1
H
L
L
L
L
L
L
L
L
L
–
(1)
WE signal must be de-asserted between consecutive cycle operations.
A10
Table 31
X
X
L
L
L
L
L
L
L
L
A9
H
H
H
H
X
X
L
L
L
L
for signal states and bus validity.
A0
–
X
X
X
X
X
L
L
L
L
L
REG and
–OE
X
H
H
H
H
L
L
L
L
L
–
OE must be active and
–WE
H
H
H
H
H
X
L
L
L
L
High-Z
Don’t care
High-Z
Don’t care
High-Z
Not valid
Don’t care
Not valid
Don’t care
High-Z
D15 to D8
Card configuration
–
CE1 and
High-Z
Even byte
Even byte
Even byte
Even byte
Even byte
Even byte
Even byte
Even byte
Even byte
D7 to D0
–
WE
–
35/82
CE2
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