參數(shù)資料
型號: 935262922557
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: PLASTIC, SOT-322, QFP-160
文件頁數(shù): 66/147頁
文件大小: 526K
代理商: 935262922557
1998 Apr 09
25
Philips Semiconductors
Product specication
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 4
Protection violation handling modes
Note
1. X = don’t care.
LIMIT
PV
DESCRIPTION
0000
0
Lock input of FIFO and empty FIFO (only in write mode). Unlock FIFO and start next transfer
using the base address at the detection of BOF.
0000
0
Restart immediately at base address.
XXXX(1)
1
Lock input of FIFO, empty FIFO (only in write mode) and then reset TR_E bit. The next transfer
starts with BOF using the corresponding base address, if the TR_E bit is set again. This setting
is useful for single-shot, that means transferring only one frame of a video stream. Therefore
the protection address has to be the same as the address of the last pixel of the eld.
Fig.5 Handling of base and protection address using positive and negative line pitch.
handbook, full pagewidth
MGG260
positive pitch
BaseAddr
ProtAddr
1st line
positive pitch
2nd line
positive pitch
3rd line
Last line
negative pitch
(a) positive line pitch
(b) positive line pitch
BaseAddr
ProtAddr
1st line
negative pitch
2nd line
negative pitch
Last line
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