CXP82948

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 250ns at 16MHz operation (122µs at 32kHz operation)
• Incorporated ROM capacity 40K bytes (CXP82940)
  48K bytes (CXP82948)
  52K bytes (CXP82952)
  60K bytes (CXP82960)
• Incorporated RAM capacity 2048 bytes (including fluorescent display area)
• Periphera; functions
- A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 20µs/16MHz)
- Serial interface Buffer RAM incorporated (Auto transfer for 1 to 32 bytes), 1 channel 8-bit, 8-stage FIFO incorporated (Auto transfer for 1 to 8 bytes), 1 channel
- Timers 8-bit timer, 8-bit timer/counter, 19-bit time base timer 32kHz timer/counter
- Fluorescent display panel controller/driver Maximum of 196 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 12*8 key matrix supportable
- I2C bus interface
- Remote control transmission circuit Auto transmission for 1 to 32 bytes, restart function, carrier output function
- Remote control reception circuit 8-bit pulse measurement counter, 6-stage FIFO
• Interruption 16 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 80-pin plastic QFP
• Piggyback/evaluation chip CXP82900 80-pin ceramic QFP Silicon gate CMOS IC


Pinout




Specifications

Item	Symbol	Rating	Unit	Remarks
Supply voltage	VDD	0.3 to +7.0	V
Input voltage	VIN	0.3 to +7.0*2	V
Output voltage	VOUT	0.3 to +7.0*2	V
Display output voltage	VOD	VDD 40 to VDD + 0.3	V	As P channel transistor is open drain, VDD is reference.
High level output current	IOH	5	mA	All pins excluding outputs*3 (value per pin)
	IODH1	15	mA	Display outputs S0 to S11 (value per pin)
	IODH2	35	mA	Display outputs T0 to T7, and T8/S19 to T15/S12 (value per pin)
High level total output current	IOH	40	mA	Total for all pins excluding display outputs
	IODH	100	mA	Total for all output pins
Low level output current	IOL	15	mA	Port (value per pin)
	IOLC	20	mA	Large current Port (value per pin)*4
Low level total output current	IOL	100	mA	Total for all output pins
Operating temperature	Topr	20 to +75	°C
Storage temperature	Tstg	55 to +150	°C
Allowable power dissipation	PD	600	mW

Description

The CXP82948 is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, fluorescent display panel controller/driver, I2C bus interface, remote control transmission circuit, remote control reception circuit, and 32kHz timer/counter besides the basic configurations of 8-bit CPU, ROM, RAM, and I/O port.