參數(shù)資料
型號(hào)： SAA4970T
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Economical video processing IC ECOBENDIC
中文描述： SPECIALTY CONSUMER CIRCUIT, PDSO56
封裝： PLASTIC, SOT-190-1, VSOP-56
文件頁數(shù)： 22/32頁
文件大小： 179K
代理商： SAA4970T
1996 Oct 25
22
Philips Semiconductors
Preliminary specification
Economical video processing IC
(ECOBENDIC)
SAA4970T
D
ETECTION OF DISPLAY POSITION
MUXD/MUXE are filled with current counter values of
CNT_F/CNT_D (horizontal and vertical display position)
by a positive edge of VI2 or using the ‘SAMPLE AQUI and
DISPL’ register. Thus, it is possible to detect the location
of VI2 within one line by reading MUXD (CNT_F) after VI2
has occurred.
address XXXX 0000 (00H)
MUXD
sampled CNT_F
value
address XXXX 0100 (04H)
MUXE
sampled CNT_D
value
address XXXX XX01 (01H)
MUXC
bit 6:
9
th
bit (MSB) of sampled CNT_D.
I
NTERRUPT STATUS
address XXXX XX01 (01H)
MUXC
IT1 bit 0:
status of CB_intAb (1 = active)
address XXXX XX01 (01H)
MUXC
bit 1:
status of GI_intAa
address XXXX XX01 (01H)
MUXC
bit 2:
status of PIP_intAc
address XXXX XX01 (01H)
MUXC
IT2 bit 3:
status of CD_intDb.
G
ATE
E
NABLE
(GE)
STATUS
address XXXX XX01 (01H)
MUXC
bit 5:
status of GE (1 = enabled).
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Note
1.
Charge device model class B: equivalent to discharging a 200 pF capacitor through a 0
series resistor.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
I
V
DD
V
CC
V
ref
I
O
input voltage protection range
digital supply voltage (pin 42 versus pins 43 and 52)
supply voltage analog buffer (pins 6 and 10 versus pin 4)
supply voltage analog reference (pins 6 and 9 versus pin 4)
output current
pins 51 and 53 versus pins 43 and 52
pins 29 to 36, 11, 12, 19, 20, 25 and 26 versus pins 43 and 52
pins 18, 22 and 23 versus pins 43 and 52
pins 14 to 17 and 54 versus pins 43 and 52
pins 3, 5 and 7 versus pin 4
output sink current (pins 3, 5 and 7 versus pin 4)
total power dissipation
storage temperature
operating ambient temperature
electrostatic handling; note 1
0.5
+7
5.5
5.5
5.25
V
V
V
V
25
0
300
16
4
8
12
20
0.8
550
+125
70
+300
mA
mA
mA
mA
mA
mA
mW
°
C
°
C
V
I
Osink
P
tot
T
stg
T
amb
V
es
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
65
K/W
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