Rainbow Electronics MAXQ3120 - Manual (Page 9)

MAXQ3120
High-Precision ADC
Mixed-Signal Microcontroller
_____________________________________________________________________ 9
Functional Diagram
DGND
VADJ
SEG[11:0]
COM[3:0]
VLCD2
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
VLCD1
VLCD
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]