wiki:crkit/Hardware/RFBoards/aSDR1
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Version 1 (modified by seskar, 12 years ago) ( diff )

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Frequency Extension Board (FreeBo)

FreeBo Registers

Name Address # of Reg Bits Description
ADF4350 VCO 200 to 223 24 8 The original 6 x 32-bit LO registers are mapped to 8 bit buss with the following mapping: R0: 200 -203, R1: 204 -207, R2: 208-211, R3: 212 -215, R4: 216 -219, R5: 220-223
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| | | | R3: 212 -215, R4: 216 -219, R5: 220-223 |
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+-----------------------+------------+----------+------+----------------------------------------------------+
| MAX7301 RF Switch     | 224 to 247 |    24    |  8   | 12 x 16-bit registers are mapped to 24 8-bit regs  |
|                       |            |          |      | R0: 224-225,R1: 226-227,R2: 228-229,               |
|                       |            |          |      | R3: 230-231, R4: 232-233,R5: 234-235,              |
|                       |            |          |      | R6: 236-237, R7: 238-239,R8: 240-241,              |
|                       |            |          |      | R9: 242-243, R10: 244-245, R11: 246-247            |
+-----------------------+------------+----------+------|----------------------------------------------------+
|Hittit HMC629          |     1      |     1    |  8   |The upper 4 bits program the RX attenuator while the|
|RF Attenuator          |            |          |      |the lower 4 bits control the TX attenuator.         |
+-----------------------+------------+----------+------|----------------------------------------------------+
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