LTC6954: Low Phase Noise, Triple Output Clock Distribution Divider/Driver.
SPI DATA FORMAT (MSB First):
Write Sequence:
Byte #1 Byte #2
MOSI: A6 A5 A4 A3 A2 A1 A0 W D7 D6 D5 D4 D3 D2 D1 D0
MISO: X X X X X X X X X X X X X X X X
Read Sequence:
Byte #1 Byte #2
MOSI: A6 A5 A4 A3 A2 A1 A0 R X X X X X X X X
MISO: X X X X X X X X D7 D6 D5 D4 D3 D2 D1 D0
W : SPI Write (0)
R : SPI Read (1)
Ax : Address
Dx : Data Bits
X : Don't care
http://www.linear.com/product/LTC6954
http://www.linear.com/product/LTC6954#demoboards
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Header for LTC6954: Low Phase Noise, Triple Output Clock Distribution Divider/Driver
Definition in file LTC6954.h.
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uint8_t | LTC6954_read (uint8_t cs, int8_t address) |
| LTC6954 Read Single Address reads 8 bit Data field to LTC6954. More...
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long | LTC6954_read_field (uint8_t cs, uint8_t address, uint8_t MSB_loc, uint8_t numbits) |
| LTC6954 Read Single Field For SPI FIELDS located in 1 or multiple address locations reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More...
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long | get_LTC6954_SPI_FIELD (uint8_t cs, uint8_t f) |
| Gets the LTC6954 SPI field value calls function LTC6954_read_field, which reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More...
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void | LTC6954_write (uint8_t cs, uint8_t address, uint8_t Data) |
| LTC6954 Write Single Address writes 8 bit Data field to LTC6954. More...
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uint8_t | LTC6954_write_field (uint8_t cs, long field_data, uint8_t address, uint8_t MSB_loc, uint8_t numbits) |
| LTC6954 Write Single Field For SPI FIELDS in 1 or multiple address locations reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More...
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void | set_LTC6954_SPI_FIELD (uint8_t cs, uint8_t f, long field_data) |
| Sets the LTC6954 SPI field value calls function LTC6954_read_field, which reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More...
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void | set_LTC6954_ALLREGS (uint8_t cs, uint8_t reg00, uint8_t reg01, uint8_t reg02, uint8_t reg03, uint8_t reg04, uint8_t reg05, uint8_t reg06) |
| Writes values to ALL LTC6954 RW address. More...
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void | LTC6954_init () |
| Initializes the SPI MAP arrays The values set in initialization are used all the LTC6954 SPI/WRITE and read functions (set_LTC6954_SPI_FIELD, get_LTC6954_SPI_FIELD, LTC6954_read, LTC6954_write, etc, etc) More...
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uint8_t | get_LTC6954_REGSIZE () |
| returns # of addresses in parts register map (array size) More...
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uint8_t | get_LTC6954_SPI_FIELD_NUMBITS (uint8_t f) |
| returns the number of bits for a given field name in the SPI map More...
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uint8_t | get_LTC6954_SPI_FIELD_RW (uint8_t f) |
| returns if the given field name is (0)read/write or (1)read_only field More...
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#define | LTC6954_CS QUIKEVAL_CS |
| Define the SPI CS pin. More...
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#define | LTC6954_CMSINV0 1 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_CMSINV1 2 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_CMSINV2 3 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_DEL0 4 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_DEL1 5 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_DEL2 6 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_LVCS0 7 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_LVCS1 8 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_LVCS2 9 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_M0 10 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_M1 11 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_M2 12 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PART 13 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PDALL 14 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_DIV0 15 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_DIV1 16 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_DIV2 17 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_OUT0 18 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_OUT1 19 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_PD_OUT2 20 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_REV 21 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_SYNC_EN0 22 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_SYNC_EN1 23 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_SYNC_EN2 24 |
| for spi_map array, defines location for field specific information used to create the spi map More...
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#define | LTC6954_NUM_REGADDR 8 |
| Defines number of LTC6954 SPI registers, used in spi_map array. More...
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#define | LTC6954_NUM_REGFIELD 24 |
| Defines number of LTC6954 SPI fields, used in spi_map array. More...
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#define | ADDRx 0 |
| used for 2nd dim of 2d spi_map array More...
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#define | DxMSB 1 |
| used for 2nd dim of 2d spi_map array More...
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#define | NUMBITS 2 |
| used for 2nd dim of 2d spi_map array More...
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#define | R_ONLY 3 |
| used for 2nd dim of 2d spi_map array More...
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