參數(shù)資料
型號: SAA4945H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: LIne MEmory noise Reduction IC LIMERIC
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
文件頁數(shù): 13/20頁
文件大?。?/td> 116K
代理商: SAA4945H
1997 Jun 10
13
Philips Semiconductors
Preliminary specification
LIne MEmory noise Reduction IC
(LIMERIC)
SAA4945H
Status register
Table 15
Status register usage
Table 16
Status register content
Table 17
Status register description
USE
ACTION
Purpose
Address
Read/write
internal settings
F4
write
MSB
LSB
Tctrl3
Tctrl2
Tctrl1
X
ExThr
Wv
DEM
WES
BIT
NAME
DESCRIPTION
0
WES
Write Enable Select
0: data coincides with write enable (both input and output)
1: data is delayed over one clock period with respect to the write enable (both input and output)
see Fig.4
Demo Mode
0: demo mode disabled
1: demo mode on; the noise reduction circuit is switched on for the left half of the screen - the noise
reduction is disabled (split screen function) for the right half of the screen
Weave
0: enable weave
1: disable weave
External Threshold control bit
0: N_thr calculated by noise estimator
1: value of N_thr from register F9 is used
don’t care
Test control 1
0: normal operation
1: test mode
Test control 2
0: normal operation
1: test mode
Test control 3
0: normal operation
1: test mode
1
DEM
2
Wv
3
ExThr
4
5
X
Tctrl1
6
Tctrl2
5
Tctrl3
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