參數(shù)資料
型號(hào)： PCA84C886
廠商： NXP Semiconductors N.V.
英文描述： Microcontrollers for TV tuning control and OSD applications(應(yīng)用于TV調(diào)頻和OSD的微控制器)
中文描述： 微控制器的控制和調(diào)整（應(yīng)用于電視調(diào)頻和OSD的微控制器應(yīng)用的電視OSD）
文件頁(yè)數(shù)： 66/72頁(yè)
文件大?。?/td> 564K
代理商： PCA84C886
1995 Jun 15
66
Philips Semiconductors
Preliminary specification
Microcontrollers for TV tuning
control and OSD applications
PCA84C646; PCA84C846
22 AC CHARACTERISTICS
V
DD
= 5 V; T
amb
=
20 to +70
°
C; all voltages with respect to V
SS
; unless otherwise specified.
Note
1.
Oscillator with three (3) options for optimum use.
23 AFC CHARACTERISTICS
DP13/TDAC as TDAC output
I
OL
I
OH
LOW level output sink current
HIGH level pull-up output source current
HIGH level pull-up output source current
HIGH level push-pull output source current V
O
= V
DD
0.4 V
V
OL
= 0.4 V
V
O
= 0.7V
DD
V
O
= V
SS
1.4
40
1.4
3.0
100
140
3.0
400
mA
μ
A
μ
A
mA
EMU/TEST, RESET, INT/T0, T1, HSYNC, VSYNC and T3 (Schmitt-trigger input)
V
IL
V
IH
I
LI
LOW level input voltage
HIGH level input voltage
input leakage current
V
DD
= 4.5 V to 5.5 V
V
DD
= 4.5 V to 5.5 V
V
DD
= 4.5 V to 5.5 V;
V
SS
<
V
I
<
V
DD
0
0.7V
DD
1.0
0.3V
DD
V
V
DD
+1.0
V
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Oscillator
f
xtal
f
osc-XTAL
f
osc-PXE
f
osc-XTAL
f
osc-PXE
f
osc-XTAL
f
osc-PXE
C
XTAL1
crystal frequency (note 1)
1
1
10.0
6.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
oscillator frequency; option 1
g
m
= 0.4 mS (typ.)
not allowed
not allowed
oscillator frequency; option 2
g
m
= 1.6 mS (typ.)
4.0
1.0
10.0
6.0
oscillator frequency; option 3
g
m
= 4.5 mS (typ.)
3.0
10.0
external capacitance at XTAL1
with XTAL resonator
with PXE resonator
external capacitance at XTAL2
with XTAL resonator
with PXE resonator
OSD clock frequency
not required
30
pF
pF
100
C
XTAL2
not required
30
8.0
pF
pF
MHz
4.0
100
12.0
f
OSD
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
μ
s
T
AFC
conversion time (from any change in the AFC: channel number,
voltage level, enable/disable) with f
xtal
= 10 MHz
7
DP10/AFC0, DP11/AFC1 and DP12/AFC2 comparator input
V
AI
V
AE
comparator analog input voltage
conversion error range
V
SS
V
DD
±
0.5
V
LSB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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