Ka9258D (Ic301) : 4-Ch Motor Driver - JVC MX-GA77 Service Manual

Compact component system
Hide thumbs Also See for MX-GA77:
Table of Contents

Advertisement

3. Pin function
Pin name
I/O
S32 to S39
I/O
S40 to S47
I/O
S48 to S51
I/O
RES
I
XT1
I
XT2
I/O
CF1
I
CF2
O

KA9258D (IC301) : 4-ch Motor driver

1.Block diagram
28 27 26 25 24 23 22
T • S • D
1
2
3
4
• Output for VFD display controller segment
• Other functions
High voltage input port: PE0 to PE7
• Output for VFD display controller segment
• Other functions:
High voltage input/output port: PF0 to PF7
• Output for VFD display controller segment
• Other functions:
High voltage input/output port: PG0 to PG3
Reset terminal
• Input for 32.768kHz crystal oscillation
• Other functions:
General purpose input port
When not in use, connect to VDD1.
AD input port: AN10
• Output for 32.768kHz crystal oscillation
• Other functions:
General purpose input port
When not in use, set to oscillation mode and leave open circuit.
AD input port: AN11
Input terminal for ceramic oscillator
Output terminal for ceramic oscillator
VCC
10K
REGULATOR
10K
5
6
7
Function
GND
21 20 19 18 17 16 15
VCC
10K
50K
GND
8
9
MUTE
10 11 12 13 14
MX-GA77
(2/2)
1-31

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents