CY14B256KA-SP25XI データシートの表示（PDF） - Cypress Semiconductor
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CY14B256KA-SP25XI Datasheet PDF : 27 Pages
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Table 1. Mode Selection
CE
WE
H
X
L
H
L
L
L
H
L
H
L
H
L
H
CY14B256KA
OE
A14–A0[3]
Mode
I/O
Power
X
X
Not Selected Output High Z
Standby
L
X
Read SRAM
Output Data
Active
X
X
Write SRAM
Input Data
Active
L
0x0E38
Read SRAM
Output Data
Active[4]
0x31C7
Read SRAM
Output Data
0x03E0
Read SRAM
Output Data
0x3C1F
Read SRAM
Output Data
0x303F
Read SRAM
Output Data
0x0B45
AutoStore
Output Data
Disable
L
0x0E38
Read SRAM
Output Data
Active[4]
0x31C7
Read SRAM
Output Data
0x03E0
Read SRAM
Output Data
0x3C1F
Read SRAM
Output Data
0x303F
Read SRAM
Output Data
0x0B46
AutoStore Enable Output Data
L
0x0E38
Read SRAM
Output Data
Active ICC2[4]
0x31C7
Read SRAM
Output Data
0x03E0
Read SRAM
Output Data
0x3C1F
Read SRAM
Output Data
0x303F
Read SRAM
Output Data
0x0FC0
Nonvolatile
Output High Z
STORE
L
0x0E38
Read SRAM
Output Data
Active[4]
0x31C7
Read SRAM
Output Data
0x03E0
Read SRAM
Output Data
0x3C1F
Read SRAM
Output Data
0x303F
Read SRAM
Output Data
0x0C63
Nonvolatile
Output High Z
RECALL
Notes
3. While there are 15 address lines on the CY14B256KA, only the lower 14 are used to control software modes.
4. The six consecutive address locations must be in the order listed. WE must be HIGH during all six cycles to enable a nonvolatile cycle.
Document Number: 001-55720 Rev. *G
Page 6 of 27
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