Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
7.18 SAA7146A register tables
Table 114 Registers and offsets sorted by functional groups
OFFSET
READ VALUE
AFTER RESET
NAME
TYPE RAM
CORRESPONDING UPLOAD BIT
(HEX)
00
04
BaseOdd1
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
read
read
read
read
read
read
read
read
read
read
read
read
yes
read
no
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
00000000
00000000
00000000
00000000
00000000
video DMA1 upload
BaseEven1
ProtAddr1
08
0C
10
Pitch1
BasePage1
Num_Line_Byte1
BaseOdd2
BaseEven2
ProtAddr2
14
18
video DMA2 upload
video DMA3 upload
immediate write access
1C
20
24
Pitch2
28
BasePage2
Num_Line_Byte2
BaseOdd3
BaseEven3
ProtAddr3
2C
30
34
38
3C
40
Pitch3
BasePage3
Num_Line_Byte3
BaseA1_in
ProtA1_in
44
94
98
9C
A0
A4
A8
AC
B0
B4
B8
BC
C0
48
PageA1_in
BaseA1_out
ProtA1_out
PageA1_out
BaseA2_in
ProtA2_in
PageA2_in
BaseA2_out
ProtA2_out
PageA2_out
PCI_BT_V
PCI_BT_A
PCI_VDP1
PCI_VDP2
PCI_VDP3
PCI_ADP1
PCI_ADP2
video DMA1, 2 or 3 upload
immediate write access
4C
120
124
128
12C
130
R
no
R
no
R
no
R
no
1998 Apr 09
127
NXP [ NXP ]
