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PDF MK1841 Data sheet ( Hoja de datos )
| Número de pieza | MK1841 | |
| Descripción | 8-Bit Microcontroller | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MK1841 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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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  
4. Pin Description
%7
Pin name
PA0/ADC0/INT0 ~
PA1/ADC1/INT1
PA3/ADC3/INT3 ~
PA5/ADC5/INT5,
PA7/ADC7/INT7
I/O
I/O
PA2/ADC2/INT2/PWM2
PA6/ADC6/INT6/PWM1
I/O
OSC1/PB0
OSC2/PB1
RESETB/PB2
PB3/Vin3+
PB4/Vin3-
I, I/O
O,I/O
I
I/O
PB5/Vout3
I/O
PB6/Vout4
I/O
PB7/Vin4-
I/O
PC0/Vin4+
PC1/TO/Vin1+
PC2/500O/Vin1-
I/O
I/O
Pin
type
A
Description
1.Bi-direction I/O port (Pull-up option with Input mode)
2.Wake-up on pin change (option)
3.External interrupt input (option)
4.A/D converter input
1.Bi-direction I/O port (Pull-up option with Input mode)
2.Wake-up on pin change (option)
A 3.External interrupt input (option)
4.A/D converter input
5.PWM1 & PWM2 output
1. Bi-direction I/O port (Pull-up option with Input mode)
C
2. Oscillator input
1. Bi-direction I/O port (Pull-up option with Input mode)
C
2. Oscillator output
1.Input port
B
2.System reset pin
1.PB3~PB4 is Bi-direction I/O port (Pull-up option in Input mode)
A 2.Pin shared with comparator3 Vin3+,Vin3- .
Pull-high resistor are disabled automatically in this mode
1. PB5 is Bi-direction I/O port (Pull-up option in Input mode)
E 2 Pin shared with comparator3 Vout3 .
Pull-high resistor are disabled automatically in this mode
1. PB6 is Bi-direction I/O port (Pull-up option in Input mode)
E 2 Pin shared with comparator4 Vout4 .
Pull-high resistor are disabled automatically in this mode
1.PB7 is Bi-direction I/O port (Pull-up option in Input mode)
A 2.Pin shared with comparator4 Vin4- .
Pull-high resistor are disabled automatically in this mode
1.PC0 is Bi-direction I/O port (Pull-up option in Input mode)
A 2.Pin shared with comparator4 Vin4+ .
Pull-high resistor are disabled automatically in this mode
3.PC1~PC2 is Bi-direction I/O port (Pull-up option in Input mode)
A
4.Pin shared with comparator1 Vin1+,Vin1- .
5 2010/05/20 Rev.07
5 Page 
%7
Name
TM0_CTL
TM0L_LA
TM0H_LA
TM0L_CNT
TM0H_CNT
Addr Bit 7
Bit 6
$10 TM0_EN WR_CNT
$11 D7
D6
$12 D7
D6
$13 D7
D6
$14 D7
D6
Bit 5
SUR1
D5
D5
D5
D5
Bit 4 Bit 3
SUR0 EDGE
D4 D3
D4 D3
D4 D3
D4 D3
Bit 2
PRE2
D2
D2
D2
D2
Bit 1
PRE1
D1
D1
D1
D1
Bit 0
PRE0
D0
D0
D0
D0
Timer 1: 8-bit, PWM (period) & Timer
Name
TM1_CTL1
TM1_CTL2
TM1_LA
TM1_CNT
Addr
$15
$16
$17
$18
Bit 7
TM1_EN
MOD
D7
D7
Bit 6
Bit 5 Bit 4
WR_CNT SUR1 SUR0
PWM1_OS **
**
D6 D5 D4
D6 D5 D4
Bit 3
EDGE
POS3
D3
D3
Bit 2 Bit 1
PRE2 PRE1
POS2 POS1
D2 D1
D2 D1
Bit 0
PRE0
POS0
D0
D0
Timer 2: 8-bit, PWM (duty) & Timer
Name
Addr Bit 7
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
TM2_CTL
$19 TM2_EN WR_CNT SUR1 SUR0 EDGE PRE2 PRE1 PRE0
TM2_LA
$1A D7
D6
D5 D4
D3
D2
D1
D0
TM2_CNT
$1B D7
D6
D5 D4
D3
D2
D1
D0
Timer 3: 8 bit, PWM (period) & Timer
Name
Addr Bit 7
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
TM3_CTL1
$1C TM3_EN WR_CNT SUR1 SUR0 EDGE PRE2 PRE1 PRE0
TM3_CTL2
$1D MOD PWM2_OS **
** POS3 POS2 POS1 POS0
TM3_LA
$1E D7
D6 D5 D4 D3 D2 D1 D0
TM3_CNT
$1F D7
D6 D5 D4 D3 D2 D1 D0
Timer 4: 8 bit, PWM (duty) & Timer
Name
Addr Bit 7
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2
Bit 1
Bit 0
TM4_CTL
$20 TM4_EN WR_CNT SUR1 SUR0 EDGE PRE2 PRE1 PRE0
TM4_LA
$21 D7
D6
D5 D4
D3
D2
D1
D0
TM4_CNT
$22 D7
D6
D5 D4
D3
D2
D1
D0
IRQ
Name
Addr Bit 7 Bit 6 Bit 5 Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IRQM
$25 INTM ADCM PAM TM4M TM3M/PWM2M TM2M TM1M/PWM1M TM0M
IRQF
$26 -- ADCF PAF TM4F TM3F/PWM2F TM2F TM1F/PWM1F TM0F
IRQM_1
$27 --
-- -- --
CMP4M CMP3M CMP2M CMP1M
IRQF_1
$28 --
-- -- --
CMP4F CMP3F
CMP2F
CMP1F
ADC control
Name
Addr Bit 7
Bit 6
Bit 5 Bit 4
11
Bit 3
Bit 2
Bit 1
Bit 0
2010/05/20 Rev.07
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MK1841.PDF ] | |
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