Pioneer PDP-5050SX Service Manual page 171

5
Pin Function (2/2)
Pin No. Pin Name Type
59 OUT46
60 OUT47
OUT48
61
62 OUT49
63 OUT50
OUT51
64
65 OUT52
66 OUT53
67 OUT54
68 OUT55 Output
69 OUT56
70 OUT57
71 OUT58
72 OUT59
73 OUT60
74 OUT61
75 OUT62
76 OUT63
77 OUT64
-
78 NC
Supply
79 DDDH
80 DDDH
Supply
81 NC
-
82 GND
Ground
GND
83 Ground
84 DIR
Input
Input
85 SO
Input
86 CLK
Input
87 LAT
88 VDD Supply
89 OC1
Input
90 OC2
91 SI SI
92 CLR
93 GND Ground
94 GND Ground
-
95 NC
Supply
96 VDDH
VDDH Supply
97
98 NC
-
99 OUT1 Output
OUT2
100 Output
5
6
High-voltage push-pull output pin
Not connected
High-voltage circuit supply pin
High-voltage circuit supply pin
Not connected
GND pin
GND pin
Setup pin of sift register sift direction
L: Shift into reverse (SO = SI)
H: Shift forward (SI = SO)
Serial data input/output pin
Serial clock input pin
Fetch SI or SO data to sift register by CLK rise edge
LAT data input pin
L: Transfer shft register data to output latch
H: Hold data to output latch
Logic supply pin
Output control pin
Control output according to the right truth value table
Input/OutputSerial data input/output pin
All output reset pin
CLR pin: L = Normal operation
CLR pin: H = All output High
GND pin
GND pin
Not connected
High-voltage circuit supply pin
High-voltage circuit supply pin
Not connected
High-voltage push-pull output pin
High-voltage push-pull output pin
PDP-5050SX
6
7
Discription
OC1
L
L
H
H
7
8
A
B
C
D
OC2 OUT
L ALL Hi-Z
H DATA
L ALL L
H ALL H
E
F
171
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