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CY7C1618KV18 Datenblatt(PDF) 18 Page - Cypress Semiconductor |
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CY7C1618KV18 Datenblatt(HTML) 18 Page - Cypress Semiconductor |
18 / 32 page Document Number: 001-44274 Rev. *N Page 18 of 32 CY7C1618KV18/CY7C1620KV18 Identification Register Definitions Instruction Field Value Description CY7C1618KV18 CY7C1620KV18 Revision number (31:29) 000 000 Version number. Cypress device ID (28:12) 11010100010010011 11010100010100011 Defines the type of SRAM. Cypress JEDEC ID (11:1) 00000110100 00000110100 Allows unique identification of SRAM vendor. ID register presence (0) 1 1 Indicates the presence of an ID register. Scan Register Sizes Register Name Bit Size Instruction 3 Bypass 1 ID 32 Boundary Scan 109 Instruction Codes Instruction Code Description EXTEST 000 Captures the input and output ring contents. IDCODE 001 Loads the ID register with the vendor ID code and places the register between TDI and TDO. This operation does not affect SRAM operation. SAMPLE Z 010 Captures the input and output contents. Places the boundary scan register between TDI and TDO. Forces all SRAM output drivers to a High Z state. RESERVED 011 Do Not Use: This instruction is reserved for future use. SAMPLE/PRELOAD 100 Captures the input and output ring contents. Places the boundary scan register between TDI and TDO. Does not affect the SRAM operation. RESERVED 101 Do Not Use: This instruction is reserved for future use. RESERVED 110 Do Not Use: This instruction is reserved for future use. BYPASS 111 Places the bypass register between TDI and TDO. This operation does not affect SRAM operation. |
Ähnliche Teilenummer - CY7C1618KV18 |
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Ähnliche Beschreibung - CY7C1618KV18 |
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