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
60
64
68
6C
70
74
78
HPS, vertical scale
RW
RW
RW
RW
RW
RW
RW
yes
yes
yes
yes
yes
yes
yes
undefined
undefined
undefined
undefined
undefined
undefined
undefined
HPS section 2 upload
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
7C
80
DEBI_CONFIG
DEBI_COMMAND
DEBI_PAGE
DEBI_AD
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
yes
yes
undefined
undefined
undefined
undefined
undefined
000004xx
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
DEBI upload
84
yes
88
yes
8C
90
IICTFR
yes
I2C-bus upload
IIC_STA
yes
94
BaseA1_in
ProtA1_in
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
immediate write access
98
9C
A0
A4
A8
AC
B0
B4
B8
BC
C0
C4
C8
CC
D0
D4
D8
DC
E0
E4
E8
EC
F0
F4
F8
PageA1_in
BaseA1_out
ProtA1_out
PageA1_out
BaseA2_in
ProtA2_in
PageA2_in
BaseA2_out
ProtA2_out
PageA2_out
RPS_PAGE0
RPS_PAGE1
RPS_THRESH0
RPS_THRESH1
RPS_TOV0
RPS_TOV1
IER
GPIO_CTRL
EC1SSR
EC2SSR
ECT1R
ECT2R
immediate write access
ACON1
ACON2
1998 Apr 09
130