MDT2005IB MDTIC [Micon Design Technology Corporation], MDT2005IB Datasheet

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MDT2005IB

Manufacturer Part Number
MDT2005IB
Description
8-bit micro-controller
Manufacturer
MDTIC [Micon Design Technology Corporation]
Datasheet
1.MDT2005IB.pdf (15 pages)
1. General Description
2. Features
This EPROM-Based 8 -bit micro-controller
uses a fully static CMOS design technology
combines higher speeds and smaller size
with the low power and high noise immunity
of CMOS.
On chip memory system includes 0.5 K(for
MDT2005) bytes of ROM, and 32 bytes of
static RAM.
The followings are some of the features on
the hardware and software :
u Fully CMOS static design
u 8-bit data bus
u On chip ROM size : 512 words for
u Internal RAM size : 32 bytes
(25 general purpose registers, 7 special
registers)
u 36 single word instructions
u 14-bit instructions
u 2-level stacks
u Operating voltage : 2.3V ~ 5.5 V
u Operating frequency : 0 ~ 20 MHz
u The most fast execution time is 200 ns
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
MDT2005
under 20 MHz in all single cycle
instructions
instruction
except
the
branch
P. 1
3. Applications
u Addressing modes include direct,
indirect and relative addressing modes
u Power-on Reset
u Power edge-detector Reset
u Sleep Mode for power saving
u 8-bit real time clock/counter(RTCC) with
8-bit programmable prescaler
u 4 types of oscillator can be selected by
programming option:
u 4 oscillator start-up time can be
selected by programming option:
u On-chip RC oscillator based Watchdog
Timer(WDT) can be operated freely
u 12 I/O pins with their own independent
direction control
The application areas of this MDT2005
range from appliance motor control and
high speed automotive to low power remote
transmitters/receivers,
and telecommunications processors, such
as Remote controller, small instruments,
chargers,
peripheral … etc.
RC－Low cost RC oscillator
LFXT－Low frequency crystal oscillator
XTAL－Standard crystal oscillator
HFXT－High frequency crystal oscillator
150 s, 20 ms, 40 ms, 80 ms
toy,
automobile
2005/6 VER1.3
MDT2005(IB)
pointing
and
devices,
PC

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MDT2005IB Summary of contents

Page 1

General Description This EPROM-Based 8 -bit micro-controller uses a fully static CMOS design technology combines higher speeds and smaller size with the low power and high noise immunity of CMOS. On chip memory system includes 0.5 K(for MDT2005) bytes ...

Page 2

Pin Assignment DIP / SOP PA2 1 PA3 2 RTCC 3 /MCLR PB0 6 PB1 7 PB2 8 PB3 9 5. Pin Function Description Pin Name I/O PA0~PA3 I/O PB0~PB7 I/O RTCC I /MCLR I ...

Page 3

Memory Map (A) Register Map Address 07~1F (1) IAR ( Indirect Address Register (2) RTCC (Real Time Counter/Counter Register (3) PC (Program Counter Write PC, ...

Page 4

STATUS (Status register Bit Symbol —— 5-7 (5) MSR (Memory Select Register (6) PORT PA3~PA0, I/O Register (7) PORT ...

Page 5

CPIO A, CPIO B (Control Port I/O Mode Register) The CPIO register is “write-only” ＝“0”, I/O pin in output mode; ＝“1”, I/O pin in input mode. (10) EPROM Option by writer programming : Oscillator Type RC Oscillator HFXT Oscillator ...

Page 6

Reset Condition for all Registers Register Address －－ CPIO A －－ CPIO B －－ TMR IAR RTCC PC STATUS MSR PORT A PORT B Note : u＝unchanged, x＝unknown, - ＝unimplemented, read as “0” #＝value depends on the condition of ...

Page 7

Mnemonic Instruction Code Operands 010111 trrrrrrr SWAPR R, t 011001 trrrrrrr INCR R, t 011010 trrrrrrr INCRSZ R, t 011011 trrrrrrr ADDWR R, t 011100 trrrrrrr SUBWR R, t 011101 trrrrrrr DECR R, t DECRSZ R, t Decrement register, skip ...

Page 8

TF : Timer overflow flag PF : Power loss flag PC : Program Counter OSC : Oscillator Inclu. : Inclusive ‘∪’ Exclu. : Exclusive ‘♁’ Logic AND ‘ ∩’ AND : 9. Electrical Characteristics (A) Operating Voltage & Frequency ﹕2.3V ...

Page 9

Leakage Current ＝5.0 V, Temperature＝25 ℃, the typical value as followings : @ (E) Sleep Current @WDT－Disable, Temperature＝25 ℃, the typical value as followings : ＝2 ＝3 ...

Page 10

Cext. (F) Rext. (Ohm) 4.7 K 10.0 K 20P 47.0 K 100.0 K 300.0 K 470.0 K 4.7 K 10.0 K 100P 47.0 K 100.0 K 300.0 K 470.0 K 4.7 K 10.0 K 300P 47.0 K 100.0 K 300.0 ...

Page 11

OSC Type＝XT (C=10 p); WDT－Enable Voltage/Frequency 2.1 V 3.0 V 4.0 V 5.0 V 5.5 V (iv) OSC Type＝HF (C=10 p); WDT－Enable Voltage/Frequency 2.1 V 3.0 V 4.0 V 5.0 V 5.5 V (G) Power Edge-detector Reset Voltage (Not ...

Page 12

The basic WDT time-out cycle time 5.0v ,Temperature＝25 ℃, the typical value as followings : @ V dd= Voltage (V) Basic WDT time-out cycle time (ms) 2.3 3.0 4.0 5.0 5.5 (I) MCLRB Filter：@ V 5.0v dd= Wm ＞1.2us ...

Page 13

MCLRB and RTCC Input Equivalent Circuit MCLRB RTCC This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw R ≒ Schmitt Trigger R ≒ Schmitt Trigger P. 12 MDT2005(IB) 2005/6 ...

Page 14

Block Diagram Stack Two Levels 9 or10 bits bits Program Counters OSC1 OSC2 MCLR Oscillator Circuit Power on Reset Power Down Reset 8-bit Timer/Counter This specification are subject to be changed without notice. Any latest information ...

Page 15

External Capacitor Selection For Crystal Oscillator ＝3.0V~5 Osc. Type Resonator Freq increase the stability of oscillator and the ability of anti-noise, the above values of the external capacitor range can be ...

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