參數(shù)資料
型號: SAA7146A
廠商: NXP Semiconductors N.V.
英文描述: Multimedia bridge, high performance Scaler and PCI circuit SPCI
中文描述: 多媒體橋梁,高性能潔牙機和PCI電路SPCI
文件頁數(shù): 25/144頁
文件大小: 645K
代理商: SAA7146A
1998 Apr 09
25
Philips Semiconductors
Product specification
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.
Restart immediately at base address.
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 field.
0000
XXXX
(1)
0
1
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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