89 lines
1.9 KiB
YAML
89 lines
1.9 KiB
YAML
block/CRC:
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description: Cyclic Redundancy Check calculation unit
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items:
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- name: DR
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description: Data register
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byte_offset: 0
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- name: DR16
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description: Data register - half-word sized
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byte_offset: 0
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bit_size: 16
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- name: DR8
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description: Data register - byte sized
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byte_offset: 0
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bit_size: 8
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- name: IDR
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description: Independent Data register
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byte_offset: 4
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- name: CR
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description: Control register
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byte_offset: 8
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fieldset: CR
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- name: INIT
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description: Initial CRC value
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byte_offset: 16
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- name: POL
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description: CRC polynomial
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byte_offset: 20
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fieldset/CR:
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description: Control register
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fields:
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- name: RESET
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description: RESET bit
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bit_offset: 0
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bit_size: 1
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- name: POLYSIZE
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description: Polynomial size
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bit_offset: 3
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bit_size: 2
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enum: POLYSIZE
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- name: REV_IN
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description: Reverse input data
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bit_offset: 5
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bit_size: 2
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enum: REV_IN
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- name: REV_OUT
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description: Reverse output data
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bit_offset: 7
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bit_size: 1
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enum: REV_OUT
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enum/POLYSIZE:
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bit_size: 2
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variants:
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- name: Polysize32
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description: 32-bit polynomial
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value: 0
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- name: Polysize16
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description: 16-bit polynomial
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value: 1
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- name: Polysize8
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description: 8-bit polynomial
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value: 2
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- name: Polysize7
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description: 7-bit polynomial
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value: 3
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enum/REV_IN:
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bit_size: 2
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variants:
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- name: Normal
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description: Bit order not affected
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value: 0
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- name: Byte
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description: Bit reversal done by byte
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value: 1
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- name: HalfWord
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description: Bit reversal done by half-word
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value: 2
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- name: Word
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description: Bit reversal done by word
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value: 3
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enum/REV_OUT:
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bit_size: 1
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variants:
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- name: Normal
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description: Bit order not affected
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value: 0
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- name: Reversed
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description: Bit reversed output
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value: 1
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