参数资料
型号: TA8795BF
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP60
封装: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件页数: 5/45页
文件大小: 1139K
代理商: TA8795BF
TA8795BF
2001-01-15 13/45
(2)
South American mode / Pseudo-PAL mode (pin 42-1 / 2 VCC / GND)
Automatic color system detection output
Forced color system mode
M1
M2
M3
M4
INPUT MODE
RECEIVED
SIGNAL
PIN 31
PIN 38
PIN 15
PIN 40
M1
M2
M3
M4
SYSTEM
PAL (M / N)
H
L
M
(**)
H#
PAL (M / N)
PAL (B / G, etc)
H
M
L
H
(**)
PAL (B / G, etc)
SECAM
H
M
L
H
(**)
H
(**)
SECAM
4.43NTSC
L
H
M
L
(**)
H
(**)
4.43NTSC
3.58NTSC
L
M
L
(**)
H
(**)
3.58NTSC
Black & white
L
M / L
L
H:
3V
M:
1.5V
L:
0V
Vth = 2.3V
**:
High-impedance drive
#:
In this mode, the pin is
internally clamped to 3.75V.
Does not support switching
driven by current to the pin.
Note:
Because a 1H delay line is not used, SECAM cannot be demodulated in Pseudo-PAL mode. (Same as
SECAM non-supported mode.)
O
Switches
YNR switch
PIN 1 VOLTAGE
YNR
RECEIVER SYSTEM
VCC
P / N / S
2 / 3 VCC
OFF
1 / 3 VCC
P / N
GND
ON
P / N / S
SECAM ID switch
Pin 22 Voltage:
High level = H ID
Low level = H+ V ID (Vth = 1 / 2 VCC)
Output signal mode switches
PIN 47 VOLTAGE
OUTPUT SIGNAL
CP / SP
VCC
CP
1 / 2 VCC
RGB
GND
YUV
SP
γ correction switch
Pin 51 voltage:
2VF or higher : Off
2VF or lower
: On (Vth = 2VF)
CP:
Clamp pulse
SP:
Sync separation output
RGB:
Primary color output
(pins 45 / 44 / 43 : R / G / B output)
YUV:
Color difference output
(pins 45 / 44 / 43 : R-Y / Y / B-Y
output)
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