MAXQ7667AACM/V+T Maxim Integrated Products, MAXQ7667AACM/V+T Datasheet - Page 14

• Manufacturer Part Number: MAXQ7667AACM/V+T
• Description: IC MCU-BASED DAS 16BIT 48-LQFP
• Manufacturer: Maxim Integrated Products
• Series: MAXQ™r

Specifications of MAXQ7667AACM/V+T

• Core Processor: RISC
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 16
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Ram Size: 2K x 16
• Voltage - Supply (vcc/vdd): 2.25 V ~ 2.75 V
• Data Converters: A/D 5x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• Processor Series: MAXQ7667
• Core: RISC
• Data Bus Width: 16 bit
• Data Ram Size: 4 KB
• Interface Type: UART, JTAG, LIN
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: MAXQ7667EVKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 5 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
14
GND
TRANSDUCER
LIN
V+
______________________________________________________________________________________
+8V TO
+20V
LIN
TRANSCEIVER
LIN
0.1µF
0.1µF
0.01µF
0.01µF
Rx
Tx
470pF
470pF
BSP129
0.1µF
GPIO/JTAG
P0.0/URX
P0.1/UTX
GPIO/SPI
DVDDIO
REG3P3
REG2P5
ECHON
ECHOP
BURST
GATE5
DVDD
DGND
AVDD
0V
INTERFACE
MODULE
AGND
BURST ENABLE
2mV
P-P
BROWNOUT
POR/
Typical Application Circuit/Functional Diagram
LNA
RESET
BURST OUTPUT
DUTY CYCLE
WATCHDOG
AND PULSE
COUNTER
PLUS ACCUM
HW MULT
16 x 16
RAM
SIGMA-
DELTA
ADC
OSCILLATOR
13.5MHz
FLASH
ROM
RC
20pF
REFERENCE
BANDPASS
VOLTAGE
XIN
DIGITAL
FILTER
MAXQ20 RISC
OSCILLATOR
0.47µF
CRYSTAL
16MHz
µC
MAXQ7667
XOUT
20pF
REFBG
SCHEDULE
0.47µF
TIMER
RECTIFIER
FULL-
WAVE
REF
TIMER 2
FIFO
PROGRAMMABLE
CLOCK PRESCALER
DIVIDE BY 1 TO 128
LOWPASS
DIGITAL
FILTER
SAR ADC
12-BIT
PLL
TIMER 1
THRESHOLD
INTERRUPT
ADJUST
TIMER 0
AIN0
AIN1
AIN2
AIN3
AIN4
FILT
330pF
AVDD
24kΩ
33nF
BATTERY+
THERMISTOR