GC5018_06 Datasheet, PDF (117/134 Pages) Texas Instruments – 8-CHANNEL WIDEBAND RECEIVER

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4.4.5.29 SYNC_1 Register
GC5018
8-CHANNEL WIDEBAND RECEIVER
SLWS169A – MAY 2005 – REVISED NOVEMBER 2005
Register name: SYNC_1
BIT 15
unused
0
0
BIT 7
unused
0
0
Page: 0x0%00
where:
% = 2×(DDC channel #)+1
ssel_tadj_fine(2:0)
0
0
unused
0
ssel_gain(2:0)
0
0
unused
0
Address: 0x1C
ssel_tadj_reg(2:0)
0
0
ssel_ddc_agc(2:0)
0
0
BIT 8
0
BIT 0
0
ssel_tadj_fine(2:0) : Selects the sync source for the fine time adjust zero stuff moment.
ssel_tadj_reg(2:0) : Selects the sync source for the fine and coarse time adjust register updates.
ssel_gain(2:0) : Selects the sync source for the DDC AGC gain register.
ssel_ddc_agc(2:0) : Selects the sync source to initialize the AGC, primarily for test purposes.
4.4.5.30 SYNC_2 Register
Register name: SYNC_2
BIT 15
unused
0
0
BIT 7
unused
0
0
Page: 0x0%00
where:
% = 2×(DDC channel #)+1
ssel_nco(2:0)
0
0
unused
0
Address: 0x1D
ssel_dither(2:0)
0
0
ssel_freq(2:0)
0
0
unused
0
ssel_phase (2:0)
0
0
ssel_nco : Selects the sync source for the NCO accumulator reset.
ssel_dither : Selects the sync source for the NCO phase dither generator reset.
ssel_freq : Selects the sync source for the NCO frequency register.
ssel_phase : Selects the sync source for the NCO phase offset register.
BIT 8
0
BIT 0
0
GC5018 GENERAL CONTROL 117