![](/images/new-backgrounds/1192266/192266141x1.webp)
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| CY7C67300 | |||
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SPI Data Register [0xC0D6] [R/W] |
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Table 114. SPI Data Register |
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Bit # | 15 |
| 14 | 13 | 12 |
| 11 | 10 | 9 | 8 |
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Field |
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| Reserved |
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Read/Write | - |
| - | - | - |
| - | - | - | - |
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Default | X |
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| X | X | X |
| X | X | X | X |
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Bit # | 7 |
| 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
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Field |
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| Data |
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Read/Write | R/W |
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| R/W | R/W | R/W |
| R/W | R/W | R/W | R/W |
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Default | X |
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| X | X | X |
| X | X | X | X |
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Register Description
The SPI Data register contains data received on the SPI port when read. Reading it empties the eight byte receive FIFO in PIO byte mode. This receive data is valid when the Receive Interrupt Bit of the SPI Status register is set to ‘1’ (RxIntVal triggers) or the Receive Data Ready bit of the SPI Control register is set to ‘1’. Writing to this register in PIO byte mode initiates a transfer of data, the number of bits defined by Transmit Bit Length field in the SPI Control register.
SPI Transmit Address Register [0xC0D8] [R/W]
Table 115. SPI Transmit Address Register
Data (Bits [7:0])
The Data field contains data received or to be transmitted on the SPI port.
Reserved
Write all reserved bits with ’0’.
Bit # | 15 | 14 | 13 | 12 |
| 11 | 10 | 9 | 8 |
Field |
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| Address... |
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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 | 0 |
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Bit # | 7 | 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
Field |
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| ...Address |
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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 | 0 |
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Register Description
The SPI Transmit Address register is used as the base address for the SPI transmit DMA.
Address (Bits [15:0])
The Address field sets the base address for the SPI transmit DMA.
Document #: | Page 71 of 99 |
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