1. general description
this eprom-based 8-bit micro-controller uses a fully
static cmos technology process to achieve higher
speed and smaller size with the low power
consump-tion and high noise immunity. on chip
memory inclu-des 1k words of rom, and 41 bytes of
static ram.
2. features
the followings are some of the features on the
hardware and software :
? fully coms static design
? 8-bit data bus
? on chip eprom size : 1 k words
? internal ram size : 41 bytes
? 36 single word instructions
? 14-bit instructions
? 2-level stacks
? operating voltage : 2.5 v ~ 5.0 v
? operating frequency : 4 mhz or 8 mhz
? the most fast execution time is 500 ns under 8
mhz in all single cycle instructions except the
branch instruction
? addressing modes include direct, indirect and
relative addressing modes
? power-on reset
? sleep mode for power saving
? oscillator mode:
intrc-internal 4/8 mhz rc oscillator
? power on start-up time : 20 ms
? 8-bit real time clock/counter(rtcc) with 8-bit
programmable prescaler
? on-chip rc oscillator based watchdog
timer(wdt)
? wake-up from sleep on pin change
3. applications
the application areas of this p509(a) range from
appliance motor control and high speed automotive
to low power remote transmitters/receivers, small
instruments, chargers, toy, automobile and pc
pe-ripheral … etc.
详细介绍
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