4. TRUTH TABLE
Shift Register Block
Input
R,/L
SDS
H
H
H
H
H
L
H
L
L
H
L
H
L
L
L
L
CLK
↑ or ↓
H or L
↑
H or L
↑ or ↓
H or L
↑
H or L
Shift Register
Right shift operation is executed.
Hold
Right shift operation is executed.
Hold
Left shift operation is executed.
Hold
Left shift operation is executed.
Hold
Latch Block
/LE
↓
H or L
Output State of Latch Section (/Ln)
Latch Sn data
Hold latch (output) data
Driver Block
A
/HBLK
x
L
x
x
x
x
L
H
H
H
Remark x: H or L
/LBLK
H
L
x
H
H
HZ
Output State of Driver Block
O1 to O192
L
All driver output: H
L
All driver output: L
H
All driver output: High-impedance
L
L
L
H
µ PD16347
8
Data Sheet S16472EJ1V0DS