參數(shù)資料
型號(hào): ISL5416EVAL1
廠商: Intersil Corporation
英文描述: Four-Channel Wideband Programmable DownConverter
中文描述: 四通道可編程寬帶下變頻器
文件頁數(shù): 46/71頁
文件大?。?/td> 1128K
代理商: ISL5416EVAL1
46
15:0
ATTENUATOR LOAD VALUE.
uP loading of attenuator control. MSB = 24 dB, next-MSB = 12 dB, etc. Only top three bits are used to address the look-up table.
TABLE 46.
μ
P ATTENUATOR CONTROL ACCUMULATOR LOAD (IWA = 0*19h)
RESET STATE = 0x00000000h
P(31:0)
FUNCTION
TABLE 47.
μ
P ATTENUATOR CONTROL ACCUMULATOR LOAD STROBE (IWA = 0*1Ah)
RESET STATE = INACTIVE
P(31:0)
FUNCTION
N/A
A write to this location generates a one-clock-wide strobe that transfers the
μ
P attenuator control register preload from IWA = 0*19h
to the accumulator. The transfer can also be caused by a SYNCInX signal (see IWA = 0*05h)
TABLE 48.
μ
P ATTENUATOR CONTROL ACCUMULATOR READ STROBE (IWA = 0*1Bh)
RESET STATE = INACTIVE
P(31:0)
FUNCTION
N/A
A write to this location generates a one-clock-wide strobe that transfers the contents of the attenuator control accumulator to a holding
register to stabilize it for uP reading. The transfer can also be caused by a SYNCInX signal (see IWA = 0*05h). MSB = 48 dB (always
zero).
NOTE: 0x8000h is written to IWA = 0*19h is read 0x4000 here.
TABLE 49.
μ
P RANGE CONTROL STATUS READ STROBE (IWA = 0*1Ch)
RESET STATE = INACTIVE
P(31:0)
FUNCTION
N/A
A write to this location generates a one-clock-wide strobe that transfers the contents of the range control (averaging) accumulator
after normalization to a holding register to stabilize it for uP reading.
bit 16 - 1 = Immediate threshold crossed since last read.
15:0 - Integrated magnitude after normalization (comparison value for average magnitude thresholds).
TABLE 50.
μ
P RANGE CONTROL DC OFFSET READ STROBE (IWA = 0*1Dh)
RESET STATE = INACTIVE
P(31:0)
FUNCTION
N/A
A write to this location generates a one-clock-wide strobe that transfers the contents of the range control DC offset filter accumulator
to a holding register to stabilize it for uP reading.
21:0 - Signed DC offset value +/- 0.25 * FULL SCALE (input) range.
ISL5416
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