MAXQ2000-RAX+ Maxim Integrated Products, MAXQ2000-RAX+ Datasheet - Page 36

• Manufacturer Part Number: MAXQ2000-RAX+
• Description: IC MCU 32K FLASH 68-QFN
• Manufacturer: Maxim Integrated Products
• Series: MAXQ™r

Specifications of MAXQ2000-RAX+

• Core Processor: RISC
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 1-Wire, SPI, UART/USART
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 2.75 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 68-QFN Exposed Pad
• Processor Series: MAXQ
• Core: RISC
• Data Bus Width: 16 bit
• Data Ram Size: 2 KB
• Interface Type: JTAG, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 55
• Number Of Timers: 3
• Operating Supply Voltage: 2.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Controller Family/series: MAXQ
• No. Of I/o's: 50
• Ram Memory Size: 2048Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Embedded Interface Type: SPI, UART
• Rohs Compliant: Yes
• Development Tools By Supplier: MAXQ2000-KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Low-Power LCD Microcontroller
36
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PC_RX
+3.3V
PC_TX
RS-232 SERIAL PORT
INTERFACE CABLE
RS-232
+3.3V
CHIP
TX
RX
OTHER MUXED PIN FUNCTIONS
SEGMENTS CAN BE DRIVEN IF
DOWNLOAD/
CONNECTOR
V
DIFFERENTIALLY DRIVEN AT
NOTE THAT UP TO 132 LCD
SS
±6.6V AND -2kHz TO 10kHz
DEBUG
BUZZER
JTAG
PIEZO
SERIAL DATA
CONNECTOR
DOWNLOAD
116 SEGMENT
V
ARE NOT USED
LCD GLASS
SS
V
ON
SS
INSERTED
STRIP
TMS
TDO
TCK
DOWN
TDI
MEM
UP
P7.0TX0/INT14
P4.2/TMS
P4.1/TDI/INT9
P4.0/TCK/INT8
P6.1/T1/INT13
P6.0/T1B/INT12
SEG31/P3.7/INT7
SEG29/P3.5/INT5
SEG[28:5]
SEG[0:3]
SEG[32]
COM[3:1]/SEG[35:33]
COM[0]
SEG30/
P3.6/INT6
P5.3/
TX1/INT11
P5.2/
RX1/INT10
P7.1RX0/INT15
P4.3/TDO
200kΩ
V
V
LCD
LCD
GNDIO
GNDIO
V
V
GND
DDIO
DDIO
(+3.3V)
(+3.3V)
V
DDIO
GLUCOSE MICROCONTROLLER
GNDIO
TIMER 0
UART1
JTAG
200kΩ
INTERFACE
1-WIRE
32/64kB
FLASH/
MASK
INTERFACE
INT
INT
INT
16-BIT RISC
DRIVERS
4-WIRE
V
MICRO
DDIO
LCD
SPI
32KCLK
GNDIO
RTC AND
SYSTEM
TIMERS/
ALARMS
V
GND
DDIO
GNDIO
V
MAXQ2000
DDIO
V
P6.2/T2B/OW_OUT
LCD
GNDIO
SEG4/P0.4/INTO
WATCHDOG
P6.3/T2/OW_IN
OSC
OSC
32K
(+3.3V)
HF
TIMER
P5.5/MOSI
P5.6/SCLK
P5.7/MISO
OR
HFXOUT
32KOUT
P5.4/SS
GNDIO
RESET
V
V
32KIN
HFXIN
V
V
V
GND
LCD1
LCD2
DDIO
V
LCD
ADJ
DD
P6.5/T0/WKOUT
REGULATED
+3.3V
CPOUT
32kHz MICRO CLOCK (OPTIONAL)
HIGH-FREQUENCY MICRO CLOCK
MAX1358/9/60 INTERRUPT
MAX
1678
5kΩ
V
V
MONITOR
SS
BATT
V
RESET
SS
32.768kHz
V
DD
WATCH
2 AAA OR
1 LITHIUM
COIN CELL
(+1.8V TO
+3.6V)
1-WIRE EEPROM
GND
DATA
XTAL
V
V
SS
SS
V
SS
Typical Operating Circuit
DOUT
SCLK
CSI
DIN
AV
DV
AGND
DGND
UPI01
CPOUT
CF+
CF-
REG
32KIN
32KOUT
CLK32K
CLK
RESET
INT
DD
DD
DV
DD
DOUBLER
GLUCOSE METER CIRCUIT BOARD
CHARGE-
LINEAR
PUMP
WAKEUP
OSC
32K
REG
ADC
MAX1358
MAX1359
MAX1360
1-5MHz
FLL
BG
DACA
DACB
DATA STORAGE
PARAMETERS
AND PATIENT
METER CAL
UPIO2
UPIO3
UPIO4
SCM2
SCM1
SNC1
SNO2
SNC2
OUTA
OUTB
SNO1
OUT1
INM1
SWA
SWB
INP1
AIN1
AIN2
FBA
FBB
REF
V
SS
REMOTE
TEMPERATURE
MEASUREMENT
DIODE
V
SS
V
SS
CONNECTOR
CAL PORT
V
CONNECTOR
TEST STRIP
SS
PORT
STRIP
INSERTED
STRIP
TEST
DATA
GND
1-WIRE EPROM
TEST STRIP CAL
PARAMETERS