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MK1841 の電気的特性と機能

MK1841のメーカーはETCです、この部品の機能は「8-Bit Microcontroller」です。


製品の詳細 ( Datasheet PDF )

部品番号 MK1841
部品説明 8-Bit Microcontroller
メーカ ETC
ロゴ ETC ロゴ 




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MK1841 Datasheet, MK1841 PDF,ピン配置, 機能
0.
8Bit M icrocontroller with ADC
General Description
The 0. is an 8 bit RISC high performance microcontroller with 15bit A/D converter. It is equipped
with 2K word OTP(One Time Programmable) ROM, 128 Bytes RAM, Timer/Counter, Interrupt, LVR(Low
Voltage Reset), I/O port, comparator and PWM output in a single chip.
1. Feature
z ROM size: 2K x 16 bits
z Interrupt events:
z RAM: 51 x 8 bits(Special Purpose Register)
(a) External interrupt (PA7~PA0).
+ 128 x 8 (General Purpose Register)
(b) Internal timer/event counter interrupt
z STACK: 8 Levels
(TM0~TM4, PWM1, PWM2).
z One instruction is built by two systems
(c) ADC end of conversion interrupt
clock.
(d) Comparators compare result activated
z Reset mode:
interrupt.
(a) Power-On reset
z I/O port: 29 pins
(b) Low voltage reset
z 4 Comparator sets which are shared pin with I/O
(c) RESETB/PB2 (if be set as reset pin) input
port
a negative pulse.
z PWM: two channels with 8 bit x 8 bit resolution
(d) Watchdog timer count overflow reset
z ADC: max 15-bit and 12 channels, at least
z Dual Clock Mode
12-bit resolution. It can work at converter mode
- External RC or Crystal oscillator
or compare mode by register setting
- Internal 4MHZ RC oscillator
z Wake-up mode:
z Timer/counter: 5 units count up counter.
- Port A (PA7~PA0) pin change wakeup -
- TM0: 16-bit Timer(up-counter)
- WDT overflow
- TM1: 8-bit, PWM1(Period) & Timer
- i_WDT overflow
- TM2: 8-bit, PWM1(Duty) & Timer
z 500O :500KHZ Clock Out (Adjustable)
- TM3: 8-bit, PWM2(Period) & Timer.
z CLO : System Clock Out
- TM4: 8-bit, PWM2(Duty) & Timer.
z Operating voltage range
- TO : PWM2 cycle/2 output
2.2V ~ 5.5V
z Watchdog Timer: On chip WDT is based on
z Operating temperature range
an internal RC oscillator (for WDT used
-40 ℃ ~ + 85
only). Have 8 period can be selected. User
can extend the WDT overflow period by 2
using prescaler.

1 Page





MK1841 pdf, ピン配列
%7
3. Pin Definition & Pad Assignment
3 2010/05/20 Rev.07


3Pages


MK1841 電子部品, 半導体
PC3/Vout1
PC4/Vout2
I/O
I/O
PC5/EXT_CLK/Vin2-
PC6/Vin2+
I/O
PC7/ADC8/CLO
I/O
PD0
I/O
PD1/ADC9~PD3/ADC11 I/O
PD4~PD5
VDD
VSS
I/O
P
P
%7
5.If the comparator function is used, PC1~PC2 cannot be used
Vin1+,Vin1- are analog input,
Pull-high resistor are disabled automatically in this mode
6.TO(PWM2 interrupt/2) shared with PC1
7.500O(500KHz clock out) shared with PC2 .
1. PC3 is Bi-direction I/O port (Pull-up option in Input mode)
E 2 Pin shared with comparator1 Vout1 .
Pull-high resistor are disabled automatically in this mode
1. PC4 is Bi-direction I/O port (Pull-up option in Input mode)
E 2 Pin shared with comparator2 Vout2 .
Pull-high resistor are disabled automatically in this mode
1.PC5~PC6 is Bi-direction I/O port (Pull-up option in Input mode)
2.Pin shared comparator2 Vin2+,Vin2- .
3.If the comparator function is used, PC5~PC6 will be disable
A
Vin2+,Vin2- are analog input,
Pull-high resistor are disabled automatically in this mode
4.EXT_CLK (External clock input) shared with PC5
1.Bi-direction I/O port (Pull-up option in Input mode)
A 2.A/D converter input
3.CLO (system clock out)shared with PC7.
D 1.Bi-direction I/O port (Pull-up option in Input mode)
1.Bi-direction I/O port (Pull-up option in Input mode)
A
2.A/D converter input
D 1.Bi-direction I/O port (Pull-up option in Input mode)
Power input
Ground input
6 2010/05/20 Rev.07

6 Page



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部品番号部品説明メーカ
MK1841

8-Bit Microcontroller

ETC
ETC


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