JA58560
Mask-ROM 8-Bit CMOS Micro-controller
Features
yꢀ Total of 33 single word instructions
yꢀ The fast execution time may be 200ns for all
single cycle instructions under 20MHz
operation
yꢀ Direct and indirect addressing modes for data
accessing
yꢀ 8-bit real time clock/counter with 8-bit
programmable prescalers
yꢀ Operating voltage range:
RC: 2.4V ~ 6.0V
yꢀ Internal power-on Reset
yꢀ Device Reset Timer
XTAL: 2.4 V ~ 6.0V
yꢀ Code protection
LFXTAL: 2.4V ~ 6.0V
yꢀ Sleep mode for power saving
yꢀ On chip Watchdog Timer (WDT) based on
internal RC oscillator
HFXTAL: 3.0V ~ 6.0V
yꢀ 8-bit data bus
yꢀ 14-bit instruction word
yꢀ Four-level stacks
yꢀ Three I/O ports PA, PB and with independent
direction control
yꢀ On chip ROM size:
yꢀ 4 types of oscillators can be selected by code
options:
Ϋʳ 1Kx14 bits for JA58560
yꢀ Internal RAM size:
Ϋʳ RC : Low-cost RC oscillator
Ϋʳ XTAL : Standard crystal oscillator
Ϋʳ HFXTAL : High frequency crystal oscillator
Ϋʳ LFXTAL : Low frequency crystal oscillator
Ϋʳ 25 bytes for JA58560
General Description
JA58560 series is an ROM based 8-bit microcontroller clock / counter are integrated into this chip. JA58560
which employs a full CMOS technology enhanced contains 33 instructions, all are single cycle except
with low cost, high speed and high noise immunity.
for program branches which take two cycles.
Watchdog Timer, RAM, ROM, tri-state I/O port, On chip memory is available with for 1Kx14 bits of
power down mode, and real time programmable
ROM for JA58560 and 25 bytes of static RAM.
Block Diagram
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Ver. 1.1
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TELΚ886-3-5770755
FAXΚ886-3-5770756
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