AN8746 Panasonic Semiconductor, AN8746 Datasheet - Page 5

• Manufacturer Part Number: AN8746
• Description: PWM driver IC for portable CD player
• Manufacturer: Panasonic Semiconductor

ICs for Compact Disc/CD-ROM Player
Note) AC H on the above logic table. H stands for V
2. Logic table of driver
Micro-
computer
Application Notes
Application Circuit Example
V
H
H
H
H
H
L
C
Hi-Z indicates that the driver output pin becomes a high impedance state.
Logic input pin must not be left open. And do not apply any other voltages than H or L.
DSP
DSP
PC
H
H
H
H
X
L
Fil to Fi4
V
C
H
H
X
X
L
L
2.4 V/0 V
Reset
monitor
VBG
V
TSD
M1
Logic circuit
Logic circuit
Ril to Ri4
driver
driver
Pre-
Pre-
H
H
X
X
L
L
C
power supply potential, L for GND potential (0 V) and X for H or L.
bridge
bridge
M
H
H
Fol to Fo3
Hi-Z
H
L
L
L
L
bridge
bridge
M
H
H
Rol to Ro3
Hi-Z
H
L
L
L
L
driver
driver
Logic circuit
Logic circuit
Pre-
Pre-
V
GI
Hi-Z
Fo4
AN8746SA
limiter
H
L
L
L
L
V
7 V
G
V
M
Hi-Z
Ro4
H
L
L
L
L
2.4 V
5