MAXQ3100-EMN+ MAXIM [Maxim Integrated Products], MAXQ3100-EMN+ Datasheet - Page 27

• Manufacturer Part Number: MAXQ3100-EMN+
• Description: Mixed-Signal Microcontroller with Analog Comparators, LCD, and RTC
• Manufacturer: MAXIM [Maxim Integrated Products]

Typical Application Circuit #1 shows a general-purpose
implementation using a MAXQ3100 that reads two sen-
sor inputs, displays result and status information on an
JTAG DOWNLOAD/
OR EEPROM
CONNECTOR
I
2
C FRAM
DEFINED SENSOR
DIRECT INPUT
FROM USER-
DEBUG
R
R
1
2
Mixed-Signal Microcontroller with Analog
Typical Application Circuit #1
3.3V
SCALED
COMPARATOR
INPUT
______________________________________________________________________________________
BACKUP BATTERY
TDO
TDI
TMS
TCK
32KIN
DV
CMP0
CMP1
VBAT
P2.3
P2.2
32KOUT
DD
V
REF
Comparators, LCD, and RTC
MAXQ3100
LCD display, and also interfaces simultaneously with
an RS-232 and RS-485 networks. I/O pins that are not
dedicated to special functions are available to control
other system functions.
PURPOSE I/O
Typical Application Circuits
GENERAL-
SEG[39:0]
COM[3:0]
RXD1
TXD0
RXD0
TXD1
INT6
INT7
Px.x
NOTE THAT UP TO 160 LCD SEGMENTS
CAN BE DRIVEN IF OTHER MUXED PIN
FUNCTIONS ARE NOT USED.
RTS
LCD MODULE
RS-232
RS-485
Tx/Rx
Tx/Rx
BUTTON 1
BUTTON 2
27