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CY3663 Datasheet(PDF) 13 Page - Cypress Semiconductor |
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CY3663 Datasheet(HTML) 13 Page - Cypress Semiconductor |
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13 / 92 page ![]() CY7C67200 Document Number: 38-08014 Rev. *I Page 13 of 92 Bank Register [0xC002] [R/W] Figure 8. Bank Register Register Description The Bank register maps registers R0–R15 into RAM. The eleven MSBs of this register are used as a base address for registers R0–R15. A register address is automatically generated by: 1. Shifting the four LSBs of the register address left by 1 2. ORing the four shifted bits of the register address with the 12 MSBs of the Bank Register 3. Forcing the LSB to zero For example, if the Bank register is left at its default value of 0x0100, and R2 is read, then the physical address 0x0102 will be read. See Table 17 for details. . Address (Bits [15:4]) The Address field is used as a base address for all register addresses to start from. Reserved All reserved bits must be written as ‘0’. Hardware Revision Register [0xC004] [R] Figure 9. Revision Register Register Description The Hardware Revision register is a read-only register that indicates the silicon revision number. The first silicon revision is represented by 0x0101. This number is increased by one for each new silicon revision. Revision (Bits [15:0]) The Revision field contains the silicon revision number. Bit # 15 14 13 12 11 10 9 8 Field Address... Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Default 0 0 0 0 0 0 0 1 Bit # 7 6 5 4 3 2 1 0 Field ...Address Reserved Read/Write R/W R/W R/W – – – – – Default 0 0 0 X X X X X Table 17. Bank Register Example Register Hex Value Binary Value Bank 0x0100 0000 0001 0000 0000 R14 0x000E << 1 = 0x001C 0000 0000 0001 1100 RAM Location 0x011C 0000 0001 0001 1100 Bit # 15 14 13 12 11 10 9 8 Field Revision... Read/Write R R R R R R R R Default X X X X X X X X Bit # 7 6 5 4 3 2 1 0 Field ...Revision Read/Write R R R R R R R R Default X X X X X X X X |
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