Multimedia ICs
BA7630S / BA7630F
•Circuit operation
Digital block truth table
Reset
H
L
L
L
L
L
INPUT
Clock
×
L
H
↑
↑
↓
Data
×
×
×
H
L
L
L
↓
H
OUTPUT
SW1···························SW9
H····································H
SW1-O ·····················SW 9-O
SW1-O ·····················SW 9-O
SW1-O ·····················SW 9-O
SW1-O ·····················SW 9-O
SW1-O ·····················SW 9-O
SW1-N·····················SW 9-N
Note
—
—
—
Data "L" sent to internal shift register
Data "H" sent to internal shift register
Internal shift register data unchanged
Contents of internal shift register sent to
internal latch
Note 1: H: high level
Note 2: L: low level
Note 3: ×: either H or L
Note 4: ↑: L to H transition
Note 5: ↓: H to L transition
Note 6: SW1-O to SW9-O: SW1 to SW9 levels before establishing the input conditions shown in the table.
Note 7: SW1-N to SW9-N
nearest clock ↓ transition.
Analog truth table
(1) OUT1 switch
SW1
L
L
H
H
SW2
L
H
L
H
RESET
H
H
H
H
SELECT
IN1
IN2
IN3
IN3
(2) OUT2 switch
SW3
L
H
RESET
H
H
SELECT
IN1
IN3
(3) OUT3 switch
SW4
RESET
SELECT
L
H
IN2
H
H
IN4
Note: When using the switches independently
without the digital block, the RESET pin
must be set to "H".
8