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PDF MDT1020 Data sheet ( Hoja de datos )
| Número de pieza | MDT1020 | |
| Descripción | 8-bit micro-controller | |
| Fabricantes | Micon Design Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MDT1020 (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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1. General Description
This ROM-Based 8-bit micro-controller
uses a fully static CMOS design
technology combines higher speed and
smaller size with the low power and high
noise immunity of CMOS.
On chip memory system includes 2.0 K
bytes of ROM, and 80 bytes of static RAM.
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2. Features
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 : 2 K words
u Internal RAM size : 80 bytes
(72 general purpose, 8 special registers)
u 36 single word instructions
u 14-bit instructions
u 2-level stacks
u Operating voltage : 2.3 V ~ 6.3 V
u Operating frequency : 0 ~ 20 MHz
u The fastest execution time is 200 ns
under 20 MHz in all single cycle
instructions except the branch
instruction.
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
MDT1020
u 4 oscillator start-up time :
150 µs, 20 ms, 40 ms, 80 ms
u 8-bit real time clock/counter(RTCC)
with 8-bit programmable prescaler
u 4 types of oscillator can be selected by
code options :
RC Low cost RC oscillator
LFXT Low frequency crystal oscillator
XTAL Standard crystal oscillator
HFXT High frequency crystal
oscillator
u On-chip RC oscillator based
Watchdog Timer(WDT) can be operated
freely
u Pull up resistors for the following pins :
PA0~PA3, PB0~PB7,PC0~PC7,
/MCLR, RTCC
u Pull down resistors for the following
pins :
PA0~PA3, PB0~PB7, PC0~PC7,
RTCC
u 20 I/O pins with their own independent
direction control
3. Applications
The application areas of this MDT1020
range 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. Any latest information please preview
http;//www.mdtic.com.tw
P.1
2005/6 Ver1.4
1 page  
(5) MSR (Memory Select Register) : R4
Memory Select Register :
00 : 10~1F
01 : 30~3F
10 : 50~5F
11 : 70~7F
MDT1020
b7 b6 b5 b4 b3 b2 b1 b0
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Read only “1”
Indirect Addressing Mode
(6) PORT A : R5
PA3~PA0, I/O Register
(7) PORT B : R6
PB7~PB0, I/O Register
(8) PORT C : R7
PC7~PC0, I/O Register
(9) TMR (Time Mode Register)
Bit Symbol
Function
Prescaler Value
RTCC rate
WDT rate
20
3
4
5
PS2 0
PSC
TCE
TCS
000
1:2
1:1
001
1:4
1:2
010
1:8
1:4
011
1 : 16
1:8
100
1 : 32
1 : 16
101
1 : 64
1 : 32
110
1 : 128
1 : 64
111
1 : 256
Prescaler assignment bit :
0 RTCC
1 : 128
1 Watchdog Timer
RTCC signal Edge :
0 Increment on low-to-high transition on RTCC pin
1 Increment on high-to-low transition on RTCC pin
RTCC signal set :
0 Internal instruction cycle clock
1 Transition on RTCC pin
(10) CPIO A, CPIO B, CPIO C (Control Port I/O Mode Register)
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.5
2005/6 Ver1.4
5 Page 
MDT1020
Cext. (F)
100P
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300P
Rext. (Ohm)
4.7 K
10.0 K
47.0 K
100.0 K
300.0 K
470.0 K
4.7 K
10.0 K
47.0 K
100.0 K
300.0 K
470.0 K
Frequency (Hz)
2.00 M
1.11 M
256.40 K
121.20 K
40.00 K
25.60 K
833.20 K
454.00 K
105.30 K
50.00 K
16.60 K
10.50 K
Current (A)
325.0 µ
190.0 µ
80.0 µ
65.0 µ
55.0 µ
50.0 µ
160.0 µ
105.0 µ
65.0 µ
55.0 µ
50.0 µ
49.0 µ
(ii) OSC Type LF (C=20 p); WDT Disable
Voltage/Frequency
2.3 V
3.0 V
4.0 V
5.0 V
6.3 V
32 K
4.0 µA
7.0 µA
10.0 µA
15.0 µA
30.0 µA
455 K
X
48.0 µA
70.0 µA
105.0 µA
150.0 µA
1M
X
X
150.0 µA
210.0 µA
290.0 µA
Sleep
0.1 µA
0.1 µA
0.1 µA
0.1 µA
0.1 µA
(iii) OSC Type XT (C=10 p); WDT Enable
Voltage/Frequency
2.1 V
3.0 V
4.0 V
5.0 V
6.3 V
1M
70.0 µA
130.0 µA
250.0 µA
470.0 µA
530.0 µA
4M
220.0 µA
365.0 µA
560.0 µA
780.0 µA
1.2 mA
10 M
500.00 µA
820.00 µA
1.20 mA
1.70 mA
2.30 mA
Sleep
0.1 µA
2.0 µA
5.0 µA
10.0 µA
20.0 µA
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.11
2005/6 Ver1.4
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet MDT1020.PDF ] | |
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