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MDT2051 데이터시트 PDF




Micon Design Technology에서 제조한 전자 부품 MDT2051은 전자 산업 및 응용 분야에서
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부품번호 MDT2051 기능
기능 Microcontroller
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MDT2051 데이터시트, 핀배열, 회로
MDT2051
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 incl-udes 1K words of ROM, and 68 bytes of
static RAM.
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 EPROM size : 1.0 K words
u Internal RAM size : 84 bytes
(68 general purpose registers, 16 special
registers)
u 37 single word instructions
u 14-bit instructions
u 8-level stacks
u Operating voltage : 2.5 V ~ 5.5 V (PRD Disable)
4.5 V ~ 5.5 V (PRD Enable)
u Operating frequency : DC ~ 20 MHz
u The most fast 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 Power range-detector Reset
u Sleep Mode for power saving
u Four interrupt sources:
-External INT pin
-TMR0 timer
-A/D conversion completion
-PortB<7:4> interrupt on change
u A/D converter module:
-Four analog inputs multiplexed into one A/D
converter
-8-bit resolution
u 4 types of oscillator can be selected by
programming option:
RC Low cost RC oscillator
LFXT Low frequency crystal oscillator
XTAL Standard crystal oscillator
HFXT High frequency crystal oscillator
u 8-bit real time clock/counter(RTCC) with 8-bit
programmable prescaler
u On-chip RC oscillator based Watchdog
Timer(WDT)
u 13 I/O pins with their own independent
direction control
3. Applications
The application areas of this MDT2051 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.
4. Pin Assignment
PA2/AIC2 1
PA3/AIC3 2
PA4/RTCC 3
/MCLR 4
Vss 5
PB0/INT 6
PB1 7
PB2 8
PB3 9
18 PA1/AIC1
17 PA0/AIC0
16 OSC1
15 OSC2
14 Vdd
13 PB7
12 PB6
11 PB5
10 PB4
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 1
2004/1 Ver. 1.8




MDT2051 pdf, 반도체, 판매, 대치품
(5) MSR (Memory Bank Select Register) : R4
Memory Bank Select Register :
0 : 00~7F
1 : 80~FF
MDT2051
b7 b6 b5 b4 b3 b2 b1 b0
Indirect Addressing Mode
(6) PORT A : R05
PA4~PA0, I/O Register
(7) PORT B : R06
PB7~PB0, I/O Register
(8) ADS0 ( A/D Status Register ) : R08
Bit Symbol
Function
0 ADRUN 0 : A/D converter module is shut off and consumes no operating current
1 : A/D converter module is operating
1
ADIF
A/D conversion complete interrupt flag bit
Set when conversion is completed. Reset in software.
2 GO/DONEB GO/DONEB must be set to begin a conversion . It is automatically reset
in hardware when the conversion is complete
4,3 CHS1-0 00 : AIC0 01 : AIC1 10 : AIC2 11 : AIC3
5 Reserved Can be used as a general purpose r/w bit
7,6 ASCS1-0 00 : fosc/2 01: fosc/8 10 : fosc/32 11 : f RC (*Note)
*Note: determined by OSC mode, HF: fosc/32 XT: fosc/8 RC: fosc/2 LF: fosc/2
(9) ADRES ( A/D result register ) : R09
(10)PCH (High byte of PC) : R0A
Bit Function
1~0 High byte of PC
7~2 Unimplemented, reads as 0
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 4
2004/1 Ver. 1.8

4페이지










MDT2051 전자부품, 판매, 대치품
MDT2051
Power-edge Detect
Security state
PED Disable
PED Enable
Security weak Disable
Security Disable
Security Enable
The default security state of EPROM is weak disable. Once the IC was set to
enable or disable, it’s forbidden to change.
(B) Program Memory
Address
000-3FF
000
004
Description
Program memory
The starting address of power on, external reset or WDT time-out reset.
Interrupt vector
7. Reset Condition for all Registers
Register
Address
Power-On Reset,
Power range detector
Reset
/MCLR or WDT Reset
IAR
RTCC
00h
01h
xxxx xxxx
uuuu uuuu
PC
0Ah,02h
00 0000 0000
00 0000 0000
STATUS
03h
0001 1xxx
000# #uuu
MSR
04h
xxxx xxxx
uuuu uuuu
PORT A
05h
- - -1 xxxx
- - -1 uuuu
PORT B
06h
xxxx xxxx
uuuu uuuu
ADS0
08h
00-0 0000
00-0 0000
ADRES
09h
xxxx xxxx
uuuu uuuu
INTS
0Bh
0000 0001
0000 000u
TMR
81h
1111 1111
1111 1111
CPIOA
85h
- - -1 1111
- - -1 1111
CPIOB
86h
1111 1111
1111 1111
PSTA
87h
- - - - - -qq
- - - - - -uu
ADS1
88h
- - - - - -00
- - - - - -00
Note : u unchanged, x unknown, - unimplemented, read as “0”
# value depends on the condition of the following table
Wake-up from SLEEP
uuuu uuuu
PC+1
000# #uuu
uuuu uuuu
- - -u uuuu
uuuu uuuu
uu-u uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
- - -u uuuu
uuuu uuuu
- - - - --uu
- - - - --uu
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 7
2004/1 Ver. 1.8

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