參數(shù)資料
型號(hào)： P87C770AAR
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
中文描述： 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
文件頁(yè)數(shù)： 71/80頁(yè)
文件大?。?/td> 266K
代理商： P87C770AAR
1999 Jun 11
71
Philips Semiconductors
Product specification
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
P8xCx70 family
AFT inputs: P1.0/AFT0, P1.1/AFT1 and P1.2/AFT2
V
ai
comparator analog input
voltage
V
ae
conversion error range
V
SS
V
DD
V
P83C770
P87C770
0.5
0.7
+0.5
+0.7
LSB
LSB
R, G and B outputs (4-bit DAC current source)
I
OH
HIGH-level output source
current
INL
integral non-linearity
DNL
differential non-linearity
matching RGB
8.9
mA
1
2
1
2
1
2
0
0
+
1
2
+
1
2
+
1
2
LSB
LSB
LSB
FB output
I
OL
LOW-level output source
current
HIGH-level output source
current
P83C770; V
O
= 0.4 V
P87C770; V
O
= 0.4 V
V
O
= V
DD
0.4 V
7
14
5
mA
mA
mA
I
OH
RESET
V
IL
V
IH
R
rst
LOW-level input voltage
HIGH-level input voltage
internal reset pull-down
resistor
0
0.7V
DD
50
0.3V
DD
V
DD
200
V
V
k
HSYNC and VSYNC inputs
V
IL
V
IH
I
LI
C
in
CVBS input
V
sync
V
l(vid)
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
0.3
3.15
0.8
V
DD
+ 0.5
10
5
V
V
μ
A
pF
V
I
= 0 to V
DD
sync amplitude
video input amplitude
(peak-to-peak value)
caption data amplitude
source impedance
input switching level of
sync separator
input impedance
input capacitance
0.1
0.7
0.3
1.0
0.6
1.4
V
V
V
ldat
Z
source
V
in
0.25
0.35
0.49
250
2.5
V
V
1.8
2.15
Z
i
C
i
IREF input
R
IREF
V
IREF
2.5
5
10
k
pF
external resistor to ground
voltage on pin
27
0.5V
DD
k
V
Power-on reset
V
t
trigger level
3.6
3.9
4.2
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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