SAA7199BWP Ver la hoja de datos (PDF) - Philips Electronics
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Lista de partido
SAA7199BWP Datasheet PDF : 40 Pages
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Philips Semiconductors
Digital Video Encoder (DENC)
GENLOCK-capable
Product specification
SAA7199B
SYMBOL PIN
DESCRIPTION
A1
34 subaddress bit A1 input for microcontroller access (Table 3)
R/W
35 read/write not input signal from microcontroller
CS
36 chip select input for parallel interface; active LOW
D0
37 bidirectional port from/to microcontroller; bit D0
D1
38 bidirectional port from/to microcontroller; bit D1
D2
39 bidirectional port from/to microcontroller; bit D2
D3
40 bidirectional port from/to microcontroller; bit D3
VDDD3
VSSD3
D4
41 digital supply 3 (5 V)
42 digital ground 3
43 bidirectional port from/to microcontroller; bit D4
D5
44 bidirectional port from/to microcontroller; bit D5
D6
45 bidirectional port from/to microcontroller; bit D6
D7
46 bidirectional port from/to microcontroller; bit D7
SDA
47 I2C-bus data input/output
SCL
48 I2C-bus clock input
CLKIN
49 external clock signal input (maximum frequency 60 MHz)
CLKSEL
50 clock source select input
PIXCLK
51 CLKO/2 or conditionally CLKO output signal
CLKO
52 selected clock output signal (LLC or CLKIN)
TP
53 test pin; connected to ground
RESET
54 reset input; active LOW
LLC
55 line-locked clock input signal from external clock generation circuit (CGC)
CREF
56 clock qualifier input of external CGC
GPSW/RTCI 57 general purpose switch output (set via I2C-bus or MPU-bus); real time control input, defined
by I2C or MPU programming
SLT
58 GENLOCK output flag (3-state): HIGH = sync lost in GENLOCK mode; LOW = otherwise
XTALI
59 crystal oscillator input (26.8 or 24.576 MHz)
XTALO
60 crystal oscillator output
LFCO
61 line frequency control output signal for external CGC
VrefL
VrefH
VDDA4
C
62 reference voltage LOW of DACs (resistor chains)
63 reference voltage HIGH of DACs (resistor chains)
64 analog supply 4 for resistor chains of the DACs (5 V)
65 chrominance analog output signal
VDDA1
Y
66 analog supply 1 for output buffer amplifier of DAC1 (5 V)
67 luminance analog output signal
VSSA
CVBS
68 analog ground (0 V)
69 CVBS analog output signal
VDDA2
CUR
70 analog supply 2 for output buffer amplifier of DAC2 (5 V)
71 current input for analog output buffers
VDDA3
KEY
72 analog supply 3 for output buffer amplifier of DAC3 (5 V)
73 key input signal to insert CVBS input signal into encoded CVBS output signal; active HIGH
1996 Sep 27
5
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