CXP80720B

Features:

• A wide instruction set (213 instructions) which 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 12K bytes (CXP80712B) 16K bytes (CXP80716B) 20K bytes (CXP80720B) 24K bytes (CXP80724B)
• Incorporated RAM capacity 800 bytes
• Peripheral functions
- A/D converter 8 bits, 12 channels, successive approximation system (Conversion time of 20.0µs/16MHz)
- Serial Interface Incorporated 8-bit and 8-stage FIFO, 1 channel (1 to 8 bytes auto transfer) 8-bit serial I/O, 1 channel
- Timer 8-bit timer 8-bit timer/counter 19-bit time base timer 32kHz timer/counter
- High precision timing pattern generator PPG for 19 pins, 32-stage programmable RTG for 5 pins, 2 channels
- PWM/DA gate output 12 bits, 2 channels (Repetitive frequency of 62.5kHz/16MHz)
- Servo input control Capstan FG, Drum FG/PG, CTL input
- VSYNC separator
- FRC capture unit Incorporated 26-bit and 8-stage FIFO
- PWM output 14 bits, 1 channel
- VISS/VASS circuit Pulse duty auto detection circuit
- Remote control receiving circuit 8-bit pulse measurement counter, 6-stage FIFO
• Interruption 21 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin plastic QFP/LQFP
• Piggyback/evaluation chip CXP87700 100-pin ceramic PQFP


Pinout




Specifications

Item	Symbol	Rating	Unit	Remarks
Supply voltage	VDD	0.3 to +7.0	V
	AVDD	AVss to +7.0*1	V
	AVSS	0.3 to +0.3	V
Input voltage	VIN	0.3 to +7.0*1	V
Output voltage	VOUT	0.3 to +7.0*1	V
Mid-voltage drive output voltage	VOUTP	0.3 to +15.0	V	PH pin
High level output current	IOH	5	mA
High level total output current	IOH	50	mA	Total of all output pins
Low level output current	IOL	15	mA	Ports excluding large current output (value per pin)
	IOLC	20	mA	Large current output ports (value per pin*3)
Low level total output current	IOL	130	mA	Total for all outputs
Operating temperature	Topr	20 to +75	°C
Storage temperature	Tstg	55 to +150	°C
Allowable power dissipation	PD	600		QFP package type
		380	mW	LQFP package type

Description

The CXP80720B is a CMOS 8-bit microcomputer which consists of A/D converter,serial interface, timer/counter, time base timer, high precision timing pattern generation circuit, PWM output,VISS/VASS circuit, 32kHz timer/counter, remote control receiving circuit, VSYNC separator and the measurement circuit which measures signals of capstan FG and drum FG/PG and other servo systems, as well as basic configurations like 8-bit CPU, ROM, RAM and I/O port. They are integrated into a single chip.
Also CXP80720B provides sleep/stop function which enables to lower power consumption.