CXP82440A

Features:

• Wide-range instruction system (213 instructions) to cover various types of data
-16-bit arithmetic/multiplication and division/boolean bit operation instructions
• Minimum instruction cycle 400ns at 10MHz operation (122µs at 32kHz operation)
• Incorporated ROM capacity 32K bytes (CXP82432A) 40K bytes (CXP82440A)
• Incorporated RAM capacity 1120 bytes (including fluorescent display area)
• Peripheral functions
- A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 32µs/10MHz)
- Serial interface 8-bit, 8-stage FIFO incorporated (Auto transfer for 1 to 8 bytes), 1 channel 8-bit clock synchronized type, 1 channel
- Timers 8-bit timer, 8-bit timer/counter, 19-bit time base timer 16-bit capture timer/counter, 32kHz timer/counter
- Fluorescent display tube controller/driver Maximum of 384 segments display possible 1 to 16-digit dynamic display Dimmer function High voltage drive output (40V) Incorporated pull-down resistor (Mask option) Hardware key scan function Maximum of 16 x 8 key matrix compatible
- Remote control reception circuit Incorporated noise elimination circuit 8-bit pulse measuring counter, 6-stage FIFO
- PWM output circuit 14 bits, 1 channel
- CTL duty detection circuit
- High-speed output circuit Precision of 800ns at 10MHz, 4 outputs
• Interruption 19 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin plastic QFP
• Piggyback/evaluation chip CXP82400A 100-pin ceramic QFP


Pinout

Specifications

Item	Symbol	Rating	Unit	Remarks
Supply voltage	VDD	0.3 to +7.0	V
	AVss	0.3 to +0.3
Input voltage	VIN	0.3 to +7.0*1	V
Output voltage	VOUT	0.3 to +7.0*1	V
Display output voltage	VOD	VDD 40 to VDD + 0.3	V	As P channel transistor is open drain, VDD voltage is determined as standerd.
High level output current	IOH	5	mA	Other than display output pins*2 : per pin
	IODH1	15	mA	Display outputs S0 to S23: per pin
	IODH2	35	mA	Display outputs T0 to T7, T8/S28 to T15/S21: per pin
High level total output current	IOH	40	mA	Total of other than display output pins
	IODH	100	mA	Total of display output pins
Low level output current	IOL	15	mA	Port 1 pin
	IOLC	20	mA	Large current port pin *3
Low level total output current	IOL	100	mA	Entire pin total
Operating temperature	Topr	20 to +75	°C
Storage temperature	Tstg	55 to +150	°C
Allowable power dissipation	PD	600	mW

Description

The CXP82440A is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, capture timer counter, fluorescent display tube controller/driver, remote control reception circuit, CTL duty detection circuit, 14-bit PWM output and high-speed output circuit besides the basic configurations of 8-bit CPU, ROM, RAM, and I/O port.

The CXP82440A also provides sleep/stop function that enables lower power consumption.