Table of Contents
Advertisement
AK - 45
CHASSIS
13.4.2.Features
Video Decoding and Processing
– four CVBS, one S-VHS input, one YC
– integrated high-quality A/D converters and associated clamp and AGC circuits
– adaptive 2H comb filter Y/C separator
– multistandard colour decoder PAL/NTSC/SECAM including all substandards
– multistandard sync decoder
– automatic standard recognition
– black-line detector
– linear horizontal scaling (0.25...4), as well as non-linear horizontal scaling "Panoramavision"
– black-level expander
– dynamic peaking
– soft limiter (gamma correction)
– colour transient improvement
RGB Processing and Deflection
– programmable RGB matrix
– two analog RGB / Fastblank inputs
– half-contrast switch
– picture frame generator
– scan velocity modulation output
– high-performance H/V deflection
– separate ADC for tube measurements
– EHT compensation
– angle and bow correction
– one 20.25 MHz crystal, few external components
2
–I
C-Bus Interface
– 64-pin PSDIP package
13.4.3.Pin Connections and short descriptions
NC = not connected
X = obligatory; connect as described in circuit diagram
OUT = Output
Pin no
PSDIP 64-pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R
Pin name
Type
Connection
(if not used)
TEST
IN
GNDD
RESQ
IN
X
SCL
IN/OUT
X
SDA
IN/OUT
X
GNDD
SUPPLY
X
HCS
IN
LV
FSY
OUT
LV
CSY
OUT
LV
VS
OUT
LV
INTLC
OUT
LV
VPROT
IN
GNDAB
SAFETY
IN
GNDAB
HFLB
IN
HOUT
GNDD
SUPPLY
X
VSUPD
SUPPLY
X
GNDD
SUPPLY
X
VSUPD
SUPPLY
LV
P0
IN/OUT
LV
P1
IN/OUT
LV
P2
IN/OUT
GNDD
P3
IN/OUT
GNDD
P4
IN/OUT
GNDD
P5
IN/OUT
GNDD
P6
IN/OUT
GNDD
C
component input
B
LV = if not used, leave vacant
IN = Input
SUPPLY = Supply Pin
Short description
Test Input
Reset Input
2
I
C Bus Clock
2
I
C Bus Data
Digital Ground
Half Contrast Switch Input
Front Sync Output
Composite Sync Output
Vertical Sync Output
(=VS Bit of MSY for TPU)
Interface Control Output
Vertical Protection Input
Safety Input
Horizontal Flyback Input
Digital Ground
Digital Supply Voltage (3.3V)
Digital Ground
Digital Supply Voltage (3.3V)
Port 1, Bit 0
Port 1, Bit 1
Port 1, Bit 2
Port 1, Bit 3
Port 1, Bit 4
Port 1, Bit 5
Port 1, Bit 6
14
Advertisement
Table of Contents
