GC5018_06 Datasheet, PDF (82/134 Pages) Texas Instruments – 8-CHANNEL WIDEBAND RECEIVER

GC5018
8-CHANNEL WIDEBAND RECEIVER
SLWS169A – MAY 2005 – REVISED NOVEMBER 2005
4.4.4.9 RAGC0_SD_THRESH Register
www.ti.com
Register name: RAGC0_SD_THRESH
BIT 15
0
0
0
BIT 7
0
0
0
Page: 0x1840 Address: 0x08
sd_thresh_0(15:8)
0
0
0
0
sd_thresh_0(7:0)
0
0
0
0
BIT 8
0
BIT 0
0
sd_thresh_0(15:0) : This is the threshold used by the Signal Detect block to determine if there is signal
on the inputs. The comparison is done to the output of the squarer block, which is a 32 bit
word. Because of this, these bits are aligned with bits 24 down to 8 of the 32 bit squared
value.
4.4.4.10 RAGC0_SD_TIMER Register
Register name: RAGC0_SD_TIMER
BIT 15
0
0
0
BIT 7
0
0
0
Page: 0x1840 Address: 0x09
sd _timer_0(15:8)
0
0
0
0
sd _timer_0(7:0)
0
0
0
0
sd_timer_0(15:0) : Qualification window timer for loss of input signal.
4.4.4.11 RAGC0_SD_SAMPLES Register
BIT 8
0
BIT 0
0
Register name: RAGC0_SD_SAMPLES
BIT 15
0
0
0
BIT 7
0
0
0
Page: 0x1840 Address: 0x0A
sd_samples_0(15:8)
0
0
0
0
sd_samples_0(7:0)
0
0
0
0
BIT 8
0
BIT 0
0
sd_samples_0(15:0) : Number of samples that must be below the sd_thresh_X within the sd_timer_X
timer value for the loss of signal condition to occur.
82
GC5018 GENERAL CONTROL