TA1318N Datasheet PDF - Toshiba Semiconductor

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TA1318N
Toshiba Semiconductor

Part Number TA1318N
Description SYNC Processor / Frequency Counter IC for TV Component Signals
Page 30 Pages


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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA1318N
SYNC Processor, Frequency Counter IC for TV Component Signals
TA1318N
TA1318N is a sync processor for TV component signals.
TA1318N provides sync and frequency counter processing for
external input signals.
These functions are integrated in a 24 pin dual-in-line
shrink-type plastic package.
TA1318N provides I2C bus interface, so various functions and
controls are adjustable via the bus.
Features
Horizontal synchronization circuit (15.75 kHz, 31.5 kHz, 33.75
kHz, 45 kHz)
Weight: 1.22 g (typ.)
Vertical synchronization circuit (525I, 525P, 625I, 750P, 1125I, 1125P, PAL 100 Hz, NTSC 120 Hz)
Horizontal and vertical frequency counter
Horizontal PLL
Accepts 2-level and 3-level sync
Accepts both negative and positive HD and VD
Clamp pulse output
HD, VD output (polarity inverter)
Separated sync output
Mask for the copy guard signal
1 2003-02-19



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Block Diagram
DAC3
24
DAC3
SW
VD2-OUT
23
VD1-OUT
22
SYNC1-IN
21
INV INV SYNC
SW SW SEPA
TEST DAC3 DV2-OUT
SW
DV1-OUT
SW
DAC1
20
DAC1
SW
SYNC2-IN Address SW
19 18
SYNC
SEPA
DAC1
SCL
17
SDA
16
I2CBUS
Decoder
TA1318N
HD2-OUT Digital GND HD1-OUT
15 14 13
INV INV
SW SW
HD2-OUT
SW
HD1-OUT
SW
H/V-
FREQ
Counter
V-SYNC
V-FREQ
DET SW
H/C-
SYNK
DAC2
DAC2
SW
V-Input
SW
V
Integral
H-FREQ
DET SW
H-INPUT
SW
V C/D
V-FREQ
SW
Clamp
Pulse
HD
Polarity
H-AFC
HVCO
CP
SW
2 × fH
H C/D
H-Ramp
H-FREQ
SW
1 2 3 4 5 6 7 8 9 10 11 12
HD2-IN
VD2-IN
HD1-IN
VD1-IN Analog GND AFC Filter
HVCO
VCC
DAC2
VD3-IN
HD3-IN
CP-OUT
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Pin Functions
Pin
No.
Pin Name
Function
1 HD2-IN
Inputs horizontal sync signal.
Accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
2 VD2-IN
Inputs vertical sync signal.
Accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
1 1 k
Interface Circuit
8
2 1 k
5
8
5
3
TA1318N
Input Signal/Output Signal
Th: 0.7 V
or
Th: 0.7 V
Th: 0.7 V
or
Th: 0.7 V
2003-02-19



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Pin
No.
Pin Name
Function
3 HD1-IN
Inputs horizontal sync signal.
Accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
4 VD1-IN
5 Analog GND
Inputs vertical sync signal.
Accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
GND pin for analog circuit
blocks.
3 1 k
Interface Circuit
8
4 1 k
5
8
5
4
TA1318N
Input Signal/Output Signal
Th: 0.7 V
or
Th: 0.7 V
Th: 0.7 V
or
Th: 0.7 V
2003-02-19



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