PDP-4271HD
195
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Pin Function
2.5 Clock generator terminal
Acronyms
Terminal
number
I/O
Level
Buffer type
PU/PD [k
Ω
]
Functions
XI
55
I
Analog
–
Reference clock input
Connect 24.576MHz crystal oscillator.
XO
54
O
Analog
–
Reference clock output
Connect 24.576MHz crystal oscillator.
BCLK8
102
I/O
LVTTL
3-state
6 mA
Subsequent stage line lock clock monitor input/output
It will become Hi-Z when BCK8OUT (SA1Fh, D5)=0.
Normally, set to BCK8OUT=0 and leave it open.
2.6 Terminal for
µ
PD64031A and
µ
PD64032 digital connection
Acronyms
Terminal
number
I/O
Level
Buffer type
PU/PD [k
Ω
]
Functions
FCLK8
78
I/O
LVTTL
3-state
6 mA
Front stage burst lock clock input/output
It will become Hi-Z when FCK8S[2:0] (SA21h, D6-D4)=000b.
Normally, set to FCK8S[2:0]=0 and leave it open.
FCKQ 127
I/O
LVTTL
3-state
3 mA
Sampling clock output for
µ
PD64031A and
µ
PD64032
digital connection.
It will become Hi-Z when FCKQS[2:0] (SA21h, D2-D0)=000b.
Normally, set to FCKQS[2:0]=0 and leave it open.
FOCP 128
I/O
LVTTL
3-state
3 mA
Clamp pulse output for
µ
PD64031A and
µ
PD64032 digital
connection/timing output (VD) for digital RGB input.
It will become Hi-Z when FOCPS[2:0] (SA23h, D2-D0)=000b.
Normally, set to FOCPS[2:0]=0 and leave it open.
2.7 Terminal for RGB input
Acronyms
Terminal
number
I/O
Level
Buffer type
PU/PD [k
Ω
]
Functions
DFBI
130
I
LVTTL
–
Fast Blanking signal input for analog RGB input.
DYSI
131
I
LVTTL
–
YS signal input for digital RGB input.
DYMI
134
I
LVTTL
–
YM signal input for digital RGB input.
DCGI
135
I
LVTTL
–
Digital RGB/G signal input
DCBI
136
I
LVTTL
–
Digital RGB/B signal input
DCRI
137
I
LVTTL
–
Digital RGB/R signal input
FCSI
129
I/O
LVTTL
3-state
3 mA
Sync separation signal input/timing output (HD) for RGB input.
It will become Hi-Z when FCSIS[2:0] (SA22h, D2-D0)=000b.
Normally, set to FCSIS[2:0]=0 and leave it open.
Содержание PDP-4270HD
Страница 20: ...PDP 4271HD 20 1 2 3 4 1 2 3 4 C D F A B E 2 6 PANEL CHASSIS SECTION 1 2 3 6 4 5 8 8 8 8 8 8 9 13 7 10 12 11 14 ...
Страница 55: ...PDP 4271HD 55 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 189: ...PDP 4271HD 189 5 6 7 8 5 6 7 8 C D F A B E Block Diagram R2S11002AFT MAIN ASSY IC4701 AV SW ...
Страница 190: ...PDP 4271HD 190 1 2 3 4 1 2 3 4 C D F A B E Block Diagram R2S11001FT MAIN ASSY IC4901 Component SW IC ...