參數資料
型號: STLC7545
廠商: 意法半導體
英文描述: Enhanced V.34 BIS Analog Front-End(單片模擬前端)
中文描述: 國際清算銀行增強.34模擬前端(單片模擬前端)
文件頁數: 51/53頁
文件大小: 378K
代理商: STLC7545
NEW INPUT SAMPLE
V
(16-bit)
IN
N = 1
S = 0
T = S
T = S
N = N + 1
N < 7
No
Yes
FIRST BIQUAD
ACCUMULATOR RESET
IN
V
STORAGE IN 28-BIT FORMAT
RECURSIVE COEFFICIENTS
V0(N) STOREDINTO T
DIRECT COEFFICIENTS
STATE VARIABLES UP-DATING
FOR THE NEXT COMPUTATION
NEXT BIQUAD
OUTPUT SCALING COEFFIECIENT
IIR OUTPUT SAMPLE
STORED INTO T
OUT
V
(N) STORED
INTO T
OUT
V
IIR OUTPUT SAMPLE LOADED INTO
AFTER 16-BIT SATURATION
(NEW OUTPUT SAMPLE)
S =0
PACF, T,S
T = S
1
V (N) = V (N)
V
(N) = Temp
V (N), S
V
(N), S
2
PAC D(N),
PAC E(N),
PAC B(N), V (N), S
PAC C(N), V (N),S
PAC A(N), T, S
IN
H
T = 800
xV
V
= T
OUT
IF GREATER THAN 16-BIT THENCLAMPED
TO 7FFF
OR 8000
H
H
7
Figure A4 :
IIR OperatingSequence
XI - ANNEXEA
(continued)
STLC7545
51/53
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