AN5192 PANASONIC [Panasonic Semiconductor], AN5192 Datasheet - Page 14

• Manufacturer Part Number: AN5192
• Description: Single chip IC with I2C bus Interface for PAL/NTSC color TV system
• Manufacturer: PANASONIC [Panasonic Semiconductor]

AN5192K
14
Synchronizing signal processing circuit (continued)
PAL burst gate pulse width
NTSC burst gate pulse width
Burst gate pulse output voltage
H blanking pulse output voltage
V blanking pulse output voltage
PAL V blanking pulse width
NTSC blanking pulse width
FBP allowable range
I
Bus free before start
Start condition set-up time
Start condition hold time
Low period SCL, SDA
High period SCL
Rise time SCL, SDA
Fall time SCL, SDA
Data set-up time (write)
Data hold time (write)
Acknowledge set-up time
Acknowledge hold time
Stop condition set-up time
DAC
4, 6, 7bit DAC DNLE
8bit DAC DNLE
Cut off DAC overlap
Design reference data (continued)
Note) The characteristic listed below are theoretical values based on the IC design and are not guaranteed.
2
Electrical Characteristics at T
C interface
Parameter
a
Symbol
t
t
W
W
t
t
t
t
t
V
V
HD.ACK
HD.DAT
SU.ACK
L
HD.STA
SU.DAT
V
SU.STA
SU.STO
W
t
W
T
t
t
HIGH
LOW
HBLK
VBLK
BUF
4, 6, 7
Step
BGPN
L
BGPP
BGP
FBP
t
t
VN
VP
r
f
25 C (continued)
8
DC voltage of pin 62 in BGP period
DC voltage in H-blanking pulse
period of pin 62
DC voltage in V-blanking pulse
period of pin 62
Pulse width at f
Pulse width at f
Time from H-out rise to FBP center
1LSB {Data (max.)-Data (00)}
/15,63,127
1LSB {Data (FF) Data (00)}/255
Overlap of 8-bit 2-stage changeover
(Same for AFT) of R, B cut-off
Conditions
H
H
15.625 kHz
15.73 kHz
1.31
1.01
0.25
Min
3.4
2.5
4.5
2.1
2.1
4.0
4.0
4.0
4.0
4.0
4.0
0.1
0.1
12
27
0
0
1.41
1.11
Typ
4.0
3.0
4.7
2.4
2.4
1.0
1.0
32
Max
1.21
0.35
ICs for TV
1.51
4.6
3.5
4.9
2.7
2.7
1.0
3.5
1.9
1.9
19
37
LSB
LSB
Unit
Step
Step
Step
ms
ms
V
V
V
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s