Akai DV-P3470S, Руководство по обслуживанию, Страница: 9 / 46

7
PIN DESCRIPTIONS
Pin Name
Pin Number Type Description
V[7:0] 8,7,6,5,4,3,2,1 IN Digital video data inputs
CLK 29 IN 27MHz input clock
PADDR 16 IN Address enable line
XTAL_IN 15 IN Subcarrier crystal input
XTAL_OUT 14 OUT Subcarrier crystal input
HSYNC/CB 10 I/O Active low horizontal sync, or composite blank
signal
VSYNC 11 I/O Active low vertical sync
FIELD/CB 9 OUT Video field ID. Selectable polarity or composite
blank
RD 27 IN Host parallel port read strobe, active low
WR 28 IN Host parallel port write strobe, active low
PDAT[7:0] 19,20,21,22,23,
24,25,26
I/O Host parallel port/general purpose I/O
SDA 32 I/O I
2
C data
SCL 33 IN I
2
C clock input
CVBS 44 CURRENT Composite video output
Y 48 CURRENT Luminance analog output
C 47 CURRENT Chrominance analog output
R 39 CURRENT Red analog output
G 40 CURRENT Green analog output
B 43 CURRENT Blue analog output
VREF 38 I/O Internal voltage reference output or external
reference input
ISET 37 CURRENT DAC current set
TTXDAT 30 IN Teletext data input
TTXRQ 31 OUT Teletext request output
INT 12 OUT Interrupt output, active high
RESET 34 IN Active low master RESET
TEST 13 IN TEST pin. Ground for normal operation
VAA 36,41,46 PS +5V or +3.3V supply(must be same as VDD)
GNDD 18 PS Ground
VDD 17 PS +5V or 3.3V supply (must be same as VAA)