UPD784044 Datasheet, PDF (10/90 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD784044(A), 784046(A)
3. SYSTEM CONFIGURATION EXAMPLE (AC SERVO MOTOR CONTROL)
Pulse
• Right front wheel
speed
• Left front wheel
speed
• Right rear wheel
speed
• Left rear wheel
speed
Digital quantity
• Brake sw
• Parking sw
• Neutral sw
• TCS cut sw, etc.
ABS control unit
µ PD784046(A)
CPU
Input
interface
General-
purpose I/O
• Timer unit
• Interrupt
controller
Serial I/O
General-
purpose I/O
ROM: 64 KB
RAM : 2 KB
10-bit A/D
converter
UART
Output
interface
Solenoid
drive
circuit
Monitor
circuit
Input
interface
External
I/O
interface
Display lamp
Subthrottle
control
Solenoid
• Right front wheel
• Left front wheel
• Right rear wheel
• Left rear wheel
Analog quantity
• G sensor (front, rear)
• G sensor (left, right)
• Throttle divergence
• Rupture detection, etc.
External tester
display system
Battery voltage
(12 V)
Power
unit
Microcomputer for monitor
10