CXP5078

Features:

• Instruction cycle 1.9µs/4.19MHz 122 µs/32kHz(Possible to select with the program)
• ROM capacity 8192 *8 bits (CXP5078) 6144* 8 bits (CXP5076)
• RAM capacity 448*4 bits (Including stack, display area)
• 43 general purpose I/O ports
• 8 high current output ports
• LCD controller/driver (Possible to direct drive)
- Possible to select with the program the segment output of 16 to 32
- Possible to select with the program the duty of static, 1/2, 1/3 and 1/4
- Possible to select with the program the bias of 1/2, 1/3
• 14-bit PWM output for D/A conversion
• Remote control reception circuit
• 3-bit A/D converter (8 channels per circuit)
• 32kHz timer/event counter
• Power supply voltage detection reset function
• Low voltage operation (2.5V) ..... when operating in 122µs/32kHz
• Rich wake-up function
• 8-bit/4-bit variable serial I/O
• Arithmetic and logical operations possible between the entire ROM area, I/O area and the accumulator by means of the memory mapped I/O
• 8-bit timer, 8-bit timer/event counter and 18-bit time base timer, independently controlled
• 2 kinds of power down modes of sleep and stop
• Power on reset circuit (mask option)
• Provided with 80 pin plastic QFP
• Provided with 80 pin piggyback QFP (CXP5070)


Pinout




Specifications

Item	Symbol	Rating	Unit	Remarks
Supply voltage	VDD	0.3 to +7.0	V
LCD bias voltage	VLC1, VLC2, VLC3	0.3 to +7.0*1	V
Input voltage	VIN	0.3 to +7.0*1	V
Output voltage	VOUT	0.3 to +7.0*1	V
High level output current	IOH	5	mA	General purpose port*2: per pin
High level total output current	IOH	50	mA	Entire pins total
Low level output current	IOL	15	mA	General purpose port*2: per pin
	IOLC	20	mA	High current port*3: per pin
Low level total output current	IOL		mA	Entire pins total
Operating temperature	Topr	20 to +75	°C
Storage temperature	Tstg	55 to +150	°C
Allowable power dissipation	PD	600	mW

Description

CXP5078 is a CMOS 4-bit microcomputer which consists of 4-bit CPU, ROM, RAM, I/O port, 8-bit timer, 8-bit timer/counter, 18-bit time base timer, 8-bit serial I/O, vector interruption, power on reset function, liquid crystal displayer (LCD) controller/driver, D/A conversion 14-bit PWM output port, a remote control reception circuit with noise eliminating circuit, 3-bit A/D converters, a 32kHz timer/event counter and a power supply voltage detection reset function. They are integrated into a single chip with the standby function, etc. which are to be operated at a low power consumption.