Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
OFFSET
(HEX)
READ VALUE
AFTER RESET
NAME
TYPE RAM
CORRESPONDING UPLOAD BIT
134
138
13C
FC
100
104
108
C4
PCI_ADP3
PCI_ADP4
PCI_DDP
MC1
R
no
no
00000000
00000000
00000000
00000100
0000077F
00000000
00000000
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
00000000
undefined
00000000
00000000
undefined
undefined
undefined
undefined
undefined
undefined
−
R
R
no
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
no
immediate access
MC2
no
RPS_ADDR0
RPS_ADDR1
RPS_PAGE0
RPS_PAGE1
RPS_THRESH0
RPS_THRESH1
RPS_TOV0
RPS_TOV1
PSR
no
no
read
read
read
read
read
read
no
immediate write access
C8
CC
D0
D4
D8
110
114
DC
10C
E0
−
SSR
R
no
IER
RW
RW
RW
R
read
no
immediate write access
immediate access
immediate write access
−
ISR
GPIO_CTRL
EC1R
read
no
118
11C
E4
EC2R
R
no
EC1SSR
RW
RW
RW
RW
RW
RW
read
read
read
read
yes
yes
immediate write access
E8
EC2SSR
EC
F0
ECT1R
ECT2R
50
initial settings DD1 port
D1 Interface upload
54
video DATA stream handling
at port DD1
58
5C
60
64
68
6C
70
74
78
BRS control Register
HPS control
RW
RW
RW
RW
RW
RW
RW
RW
RW
yes
yes
yes
yes
yes
yes
yes
yes
yes
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
BRS upload
HPS section 1 upload
HPS section 2 upload
HPS vertical scale
HPS vertical scale and gain
HPS horizontal prescale
HPS horizontal fine-scale
BCS control
HPS section 1 upload
HPS section 2 upload
chroma key range
HPS output and formats clip
control
8C
90
IICTFR
RW
RW
yes
yes
undefined
000004xx
I2C-bus upload
IIC_STA
1998 Apr 09
128
NXP [ NXP ]
