Philips CDF 100 Service Manual page 16

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pin name type description
79 UDO vO microcontroller data ; bit 0
80 UD1 'J bit 1
81 UD2 . bit 2
82 UD3 bit 3
83 UD4 e bit 4
84 UD5 ' bit 5
85 UD6 4 bit 6
86 UD7 . bit 7
87 NNED OUTPUT strobe signa! to the microcontroller, to read ina MRS |
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117 DYO OUTPUT luminance output toDAC; bit 0
118 DY1 7 bit 1
119 DY2 * bit 2
2 DY3 : bit 3
3 DY4 : bit 4
{ 4 DYS
id bit 5
5 DY6 * bit 6
6 DY7 , bit 7
109 DUO OUTPUT U chroma outputto DAC; bit 0
110 DU1 i bit 1
111 DuU2 i bit 2
112 DuU3 * bit 3
4113 DuU4 * bit 4 1
114 DUS : bit 5
415 DU6 7 bit 6 i
116 DU7 5 bit 7 i
SST EEE REET DEERE GRRE
7 DVO OUTPUT V chroma output toDAC; bit 0
8 DV1 * bit 1
9 | ove bit 2
, 10 DV3 : bit 3
11 DV4 , bit 4
12 DV5 . bit 5
13 DV6 x bit 6
14 Dv? . bit 7
108 DACCLK OUTPUT clock to the DAC ; data is valid on leading edge
95 NCSYNC OUTPUT video composite sync, active low
93 NHSYNC OUTPUT video horizontal sync, active low
1 94 NVSYNC OUTPUT video vertical sync, active low
98 BKEY OUTPUT video burst key, active high
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| 99 NCBLANK OUTPUT video composite blank, active low
22 XTIP INPUT PAL system clock crystal oscillator
4 XTOP OUTPUT
; 20 XTIN INPUT NTSC system clock crystal oscillator
i 49 XTON |__ OUTPUT |
| 28 XTISN INPUT NTSC subcarrier crystal oscillator |
i 27 XTOSN OUTPUT
i 26 XTISP INPUT PAL subcarrier crystal oscillator
25 XTOSP OUTPUT
| 32 PORIN INPUT power-on/off reset input, active low, Schmitt trigger input
!
: 31 POROUT OUTPUT power-on/off reset output, tristate during power-on/off,low during normal
' operation
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+ 106 N/NPSU INPUT PAL/NTSC input select at start up (pull-up resistor)'0'=PAL,"1'"=NTSC
—+——— A
i 405 N/NPO OUTPUT video mode output,'0'=PAL,'1'=NTSC
15 SUBCAR OUTPUT subcarrier output half of the subcarrier oscillator frequency
PCS 66 397
———
| pin | name type description 4
96 GENLOH +h INPUT horizontal synchronization input for gentocking (internal pull-up), active low
97 GENLOV He INPUT vertical synchronization input for genlocking (internal pull-up), active low
L- 103 PALALT OUTPUT subcarrier phase in PAL mode
102 FIELD OUTPUT field output, high for first field low for second field
104 NTEST INPUT pin to select testmode, '0' = TEST '1' = normal operation ( pull-up )
107 NHIZ INPUT testpin to put all outputs in tristate, '0' = outputs tri-state, 1' = normal
operation (pull-up)
120 vVDD1 POWER 5V power supply
1 GND1 GROUND ground
17 voD2 POWER 5V power supply
18 GND2 GROUND ground
23 VDD3 POWER 5V power supply, for oscillators
24 GND3 GROUND ground
== |*
30 VDD4 POWER 5V power supply
29 GND4 GROUND ground
48 VDD5 POWER 5V power supply
49 GND5 GROUND ground
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78 VDD6 POWER 5V power supply
74 GND6 GROUND ground
101 VDD7 POWER 5V power supply
100 GND7 GROUND ground
" Bit 0 is always the LSB.
PCS 66 398