Silicon Laboratories Si446 Series, Руководство пользователя

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AN625
Rev. 0.1 63
3.5.36. SYNC_CONFIG
 Summary: Sync configuration bits
 Purpose:

Misc sync word configuration bits. Least significant bit of sync word is transmitted/received first.
 Property: 0x1100
 Default: 0x01
 Fields:

SKIP_TX - default:0
0x0 = Sync word is transmitted as defined by LENGTH field.
0x1 = Sync word is not transmitted.

RX_ERRORS[2:0] - default:0x0 Number of sync bit errors that are allowed in the sync field during receive sync detection.

4FSK - default:0
0x0 = Sync word is not 4FSK modulated.
0x1 = Sync word is 4FSK modulated.

MANCH - default:0
0x0 = Sync word is not manchester encoded.
0x1 = Sync word is manchester encoded.

LENGTH[1:0] - default:0x1
0x0 = Sync word is 8 bits, sync byte 3 is used.
0x1 = Sync word is 16 bits, sync bytes 2 and 3 are used.
0x2 = Sync word is 24 bits, sync bytes 1, 2, and 3 are used.
0x3 = Sync word is 32 bits, sync bytes 0, 1, 2, and 3 are used.
 Register View
3.5.37. SYNC_BITS_15_8
 Summary: Byte 1 of sync word
 Purpose:

Sync bytes are always sent bit 0 first.
 Property: 0x1103
 Default: 0x2D
 Fields:

BITS_15_8[7:0] - default:0x2D Sync bytes are always sent bit 0 first.
Range: 0–0xff
 Register View
SYNC_CONFIG
7 6 5 4 3 2 1 0
SKIP_TX RX_ERRORS[2:0] 4FSK MANCH LENGTH[1:0]
0 0x0 0 0 0x1
SYNC_BITS_15_8
7 6 5 4 3 2 1 0
BITS_15_8[7:0]
0x2D