
Philips Semiconductors
PNX15xx Series
Volume 1 of 1
Chapter 19: Memory Based Scaler
PNX15XX_SER_3
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 3 — 17 March 2006
19-20
28:24
PFU_OFFS_C4 [4:0]
R/W
0
Offset component #4 (alpha or V)
Index of MSB position within 32 bit word (0-31)
23:21
PFU_SIZE_C3 [2:0]
R/W
0
Size component #3 (V or B or Y2)
number of bits minus 1 (e.g. 7 = 8 bits per component)
20:16
PFU_OFFS_C3 [4:0]
R/W
0
Offset component #3 (V or B or Y2)
index of MSB position within 32 bit word (0-31)
15:13
PFU_SIZE_C2[2:0]
R/W
0
Size component #2 (U or G)
number of bits minus 1 (e.g. 7 = 8 bits per component)
12:8
PFU_OFFS_C2[4:0]
R/W
0
Offset component #2 (U or G)
index of MSB position within 32 bit word (0-31)
7:5
PFU_SIZE_C1[2:0]
R/W
0
Size component #1 (Y or R)
number of bits minus 1 (e.g. 7 = 8 bits per component)
4:0
PFU_OFFS_C1[4:0]
R/W
0
Offset component #1 (Y or R)
index of MSB position within 32 bit word (0-31)
Video Input Address Generation Control Registers
Offset 0x10 C140
Source Base Address #1
31:28
Unused
-
27: 3
PFU_BASE1
R/W
Base address DMA #1
used depending on PFU_BAMODE setting
2:0
PFU_OFFSET1
R/W
Base address byte offset DMA #1
bits dene pixel offset within multi pixel 64 bit words
(e.g. a 16bit pixel can be placed on any 16 bit boundary)
Offset 0x10 C144
Source Line Pitch #1
31:15
Unused
-
14: 3
PFU_PITCH1
R/W
0
Line pitch DMA #1, signed value (two’s complement)
Used for all packed formats and for plane 1.
2:0
Unused
-
Offset 0x10 C148
Source Base Address #2
31:28
Unused
-
27: 3
PFU_BASE2
R/W
Base address DMA #2
Used depending on PFU_BAMODE setting.
2:0
PFU_OFFSET2
R/W
Base address byte offset DMA #2
Bits dene pixel offset within multi pixel 64-bit words (e.g., a 16-bit
pixel can be placed on any 16-bit boundary).
Offset 0x10 C14C
Source Line Pitch #2
31:15
Unused
-
14: 3
PFU_PITCH2
R/W
Line pitch DMA #2, signed value (two’s complement)
Used for planes 2 and 3.
2:0
Unused
-
Offset 0x10 C150
Source Base Address #3
31:28
Unused
-
27: 3
PFU_BASE3
R/W
Base address DMA #3
Used depending on PFU_BAMODE setting.
Table 8: Memory Based Scaler (MBS) Registers …Continued
Bit
Symbol
Acces
s
Value
Description