Sony CXP84500 Datasheet

Description

The CXP84500 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP84540/84548.

Features

• A wide instruction set (213 instructions) which

covers verious types of data.

– 16-bit operation/multiplication and division/Boolean bit operation instructions

• Minimum instruction cycle 143ns at 28MHz operation (4.5 to 5.5V)

200ns at 20MHz (3.0 to 5.5V)

• Applicable EPROM LCC type 27C512

(Maximum 60K bytes are available)

• Incorporated RAM capacity 1472 bytes

• Peripheral functions

– A/D converter 8 bits, 8 channels, successive approximation method

(Conversion time of 1.93µs at 28MHz/4.5 to 5.5V, 2.6µs at 20MHz/3.0 to 5.5V)

– Serial interface Incorporated 8-bit, 8-stage FIFO (Auto transfer for 1 to 8 bytes,latch output

function, MSB/LSB first selectable), 1 channel 8-bit clock sync type, 1 channel

– Timer 8-bit timer/counter

19-bit time base timer 16-bit capture timer/counter

– PWM output 8 bits, 2 channels

• Interruption 14 factors, 14 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 80-pin ceramic PQFP Note) Mask option depends on the type of the CXP84500. Refer to the Products List for details.

Structure

Silicon CMOS IC

– 1 –

CXP84500

E96907A82

CMOS 8-bit Single Chip Microcomputer

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

80 pin PQFP (Ceramic)

Piggyback/

evaluator

– 2 –

CXP84500

Pin Assignment in Piggyback Mode

Note) NC (pin 73) is left open.

However, this pin is used for the Flash EEPROM incorporated version (CXP845F60).

A8 A9 A11 NC OE A10 CE D7 D6

A6 A5 A4 A3 A2 A1 A0

A12

A15

A14

A13

GND

5 6 7 8

9 10 11 12

14 15

PF3 PF4 PF5 PF6

PF7 PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PH0 PH1 PH2

PI4 PI3/INT3 PI2/INT2 PI1/INT1 PI0/INT0 PE5/TO/PWM1 PE4/PWM0 PE3/NMI PE2/CINT PE1/EC1 PE0/EC0 PB7/SO1 PB6/SI1 PB5/SCK1 PB4/SO0 PB3/SI0 PB2/SCK0 PB1/CS0 PB0/LAT0 PA7/AN7 PA6/AN6 PA5/AN5 PA4/AN4 PA3/AN3

PH3

PH4

PH5

PH6

PH7

RST

EXTAL

XTAL

PE6

PE7

REF

PA0/AN0

PA1/AN1

PA2/AN2

PF2

PF1

PF0

PG7

PG6

PG5

PG4

PG3

PG2

PG1

PG0

PI7

PI6

PI5

2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19

20 21 22 23

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