UPD62AMC datasheet(57/62 Pages) NEC

57 / 62 page

µPD62A

Data Sheet U14474EJ1V0DS00

Item

µPD62A

µPD63A

µPD64

µPD6134

µPD6600A

ROM capacity

512

× 10 bits

768

× 10 bits

1002

× 10 bits 1002 × 10 bits

512

× 10 bits

RAM capacity

× 4 bits

× 5 bits

Stack

1 level (also used as RF of RAM)

3 levels

(also used for RAM)

Key matrix

× 6 = 48 keys

× 4 = 32 keys

S0 (S-IN) input

Read by P01 register (standby release function available)

Read by left shift

instruction

S1/LED (S-OUT)

I/O (standby release function available)

Output

Clock frequency

Ceramic oscillation

• fX = 2.4 to

• fX = 2.4 to 8 MHz

• fX = 300 kHz to 1 MHz • fX = 400 to 500 kHz

8 MHz

• fX = 2.4 to 4 MHz

• fX = 300 to 500 kHz

(with POC circuit)

Timer

Clock

fX/64, fX/128

fX/8, fX/16

fX/8

Count start

Writing count value

and P1 register value

Carrier

Frequency

• fX/8, fX/64, fX/96 (timer clock: fX/64)

• fX, fX/8, fX/12

• fX/8, fX/12

• fX/16, fX/128, fX/192 (timer clock: fX/128)

(timer clock: fX/8)

• No carrier

• fX/2, fX/16, fX/24

(timer clock: fX/16)

• No carrier

Output start

Synchronized with timer

Asynchronized

with timer

Instruction execution time

µs (fX = 8 MHz)

µs (fX = 1 MHz)

µs (fX = 500 kHz)

Relative branch instruction

None

Provided

Left shift instruction

None

Provided

“MOV Rn, @RO” instruction

n = 1 to F

n = 0 to F

Standby mode

HALT mode for timer only.

HALT/STOP mode

(HALT instruction)

STOP mode for only releasing KI

set by P1 register

(KI/O high-level output or KI/O0 high-level output)

value

Relationship between HALT

HALT instruction not executed when F = 1

HALT instruction

instruction execution and

executed regardless

status flag (F)

of status of F

Reset function by charging/

None

Provided

discharging capacitor

POC circuit

Mask option

Provided (low-voltage

Low level output to RESET pin on detection

detection circuit)

Low level output to

S-OUT pin on detection

Mask option

POC circuit only (set by software in circuits other than POC circuit)

• Pull-down resistor

• Variable duty

• Runaway detection

Supply voltage

VDD = 2.0 to 3.6 V

VDD = 1.8 to 3.6 V

VDD = 2.2 to 3.6 V

Operating temperature

• TA = –40 to

• TA = –40 to +85

°CTA = –20 to +70°C

+85

°C• TA = –20 to +70°C (with POC circuit)

Package

• 20-pin plastic • 20-pin plastic • 20-pin plastic SOP

• 20-pin plastic SOP

SSOP

SOP

• 20-pin plastic SSOP

• 20-pin plastic shrink

DIP

One-time PROM model

µPD6P4B

µPD61P34B

µPD61P24

APPENDIX B. FUNCTIONAL COMPARISON BETWEEN

µPD62A AND OTHER SUBSERIES

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