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MDT10P258
1. General Description
This ROM-Based 8-bit micro-controller uses a
fully static CMOS technology process to
achieve high speed, small size, the low power
and high noise immunity.
On chip memory includes 2K words EPROM,
and 80 bytes static RAM.
2 oscillator start-up time can be selected
by programming option:
EXT-R、RC：150
s,20ms
XT、LF
：20ms,80ms
8-bit real time clock/counter(RTCC) with
8-bit programmable prescaler
On-chip RC oscillator based Watchdog
Timer(WDT)
12 I/O pins with their own independent
direction control
12 I/O pins own independent weak
pull-high and can be enabled by software.
WDT can be enabled by software if WDT
Disable is selected in user option.
2. Features
The followings are some of the features on the
hardware and software :
Fully CMOS static design
8-bit data bus
On chip EPROM size : 2 K words
Internal RAM size : 80 bytes
(73 general purpose registers, 7 special
registers)
36 single word instructions
14-bit instructions
2-level stacks
Operating voltage : 2.3 V ~ 5.5 V
Operating frequency : 0 ~ 20 MHz
The most fast execution time is 200 ns
under 20 MHz in all single cycle
instructions except the branch instruction
Addressing modes include direct, indirect
and relative addressing modes
Power-on Reset (POR)
4 types of power edge-detector reset:
1.8v , 2.1v , always enable 1.8v and
Disable
Sleep Mode for power saving
4 types of oscillator can be selected by
programming option:
RC－Low cost RC oscillator
LFXT－Low frequency crystal oscillator
XTAL－Standard crystal oscillator
EXT-R－Low cost R oscillator
3. Applications
The application areas of this MDT10P258 are
from appliance motor control and high speed
automotive to low power remote transmitters
/receivers, pointing devices, and
telecommunications processors. Such as
Remote controller, small instruments, chargers,
toy, automobile and PC peripheral … etc.
This specification are subject to be changed without notice. Please visit our web-site for the latest information
P.1
2010/09
Ver. 1.0
MDTIC [ Micon Design Technology Corporation ]
