Rainbow-electronics MAXQ3120 Instrukcja Użytkownika Pobierz pdf (Strona 9)

MAXQ3120

High-Precision ADC

Mixed-Signal Microcontroller

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Functional Diagram

DGND

V

ADJ

SEG[11:0]

COM[3:0]

V

LCD2

LCD

DRIVER

14 x 8

LCD

DISPLAY

RAM

32kHz CLOCK

256 x 16

SRAM

16k x 16

(32kB)

FLASH

REGISTER

FILE

SERIAL

USART 0

PORT PIN

PAD

DRIVERS

INFRARED

CONTROL

INTERRUPT

CONTROLLER

WATCHDOG

TIMER

TIMER 0

T0INT

T1INT

T2INT

TIMER 1

TIMER 2

RXD0

TXD0

RXD1

TXD1

SERIAL

USART 1

DP[0]

DP[1]

BP[Offs]

16 x 16 HW

MULTIPLY

V

LCD1

V

LCD

ADC

ANALOG

FRONT

END

CHANNEL 0

MODULATOR

CHANNEL 1

MODULATOR

CHANNEL 0

OUTPUT

CHANNEL 1

OUTPUT

FRONT

CHANNEL 0

SINC

3

FILTER

CHANNEL

0 AND 1

PHASE

DELAY

CHANNEL 1

SINC

3

FILTER

AV

DD

AN0+

AN0-

AN1+

AN1-

AGND

DGND

SEG[27:12]

DV

DD

P0.3/INT0/T0G

EXTINT

U0INT

U1INT

DV

DD

P3.2/TMS

P3.1/TDI

P3.0/TDO

P3.3/TCK

DGND

RESET

HFXIN

HFXOUT

32K

OSC

HF

OSC

CLK

DIV

WD

DIV

JTAG

BOOTLOAD

AND

DEBUG

INTERFACE

16-BIT

RISC

CPU

CORE

TIMER CLOCKS

REAL-TIME CLOCK, ALARMS

(BATTERY BACKED)

32KOUT

32KIN

V

BAT

WDC

TIME OF DAY,

INTERVAL

WDC

V

REF

MAXQ3120

P0.4/INT1/T0

T0

T0G

T1

T2

T2B

P0.5/INT2/T1

P0.6/T2A

P0.7/T2B

P0.0/SQW

P0.1/RXD0

P0.2/TXD0

P3.7/RXD1

P3.6/TXD1

P3.4

P3.5

P1[7:0]

SEG[12:19]

P2[7:0]

SEG[27:20]

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 32 33

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