MAXQ2000-RFX datasheet(10/39 Pages) MAXIM

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Low-Power LCD Microcontroller

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Pin Description (continued)

TQFN-EP

QFN-EP

LQFP

NAME

FUNCTION

—

P5.2/RX1/

INT10

General-Purpose, Digital, I/O, Type-D Port; Serial Port 1 Receive; External Edge-

Selectable Interrupt 10

—

P5.3/TX1/

INT11

General-Purpose, Digital, I/O, Type-D Port; Serial Port 1 Transmit; External Edge-

Selectable Interrupt 11

P5.4/SS

General-Purpose, Digital, I/O, Type-C Port; Active-Low, SPI, Slave-Select Input.

Becomes the slave-select input in SPI mode.

P5.5;

MOSI

General-Purpose, Digital, I/O, Type-C Port; SPI, Master-Out Slave-In Output. Data

is clocked out of the microcontroller on SCLK’s falling edge and into the slave

device on SCLK’s rising edge. Becomes MOSI input in SPI mode.

P5.6;

SCLK

General-Purpose, Digital, I/O, Type-C Port; SPI, Clock Output. Becomes SCLK

input in slave mode but limited to SYSCLK / 8.

P5.7/

MISO

General-Purpose, Digital, I/O, Type-C Port; SPI, Master-In Slave-Out Input. Data is

clocked out of the slave on SCLK’s falling edge and into the microcontroller on

SCLK’s rising edge. Becomes MISO output in slave mode.

P6.0/T1B/

INT12

General-Purpose, Digital, I/O, Type-D Port; Timer 1 Alternative Output (PWM);

External Edge-Selectable Interrupt 12

P6.1/T1/

INT13

General-Purpose, Digital, I/O Type-D Port; Timer 1 Output (PWM); External Edge-

Selectable Interrupt 13

—

P6.2/T2B/

OW_OUT

General-Purpose, Digital, I/O, Type-D Port; Timer 2 Alternative Output (PWM);

1-Wire Data Output

—

P6.3/T2/

OW_IN

General-Purpose, Digital, I/O, Type-D Port; Timer 2 Output (PWM); 1-Wire Data

Input

P6.4/T0B/

WKOUT0

General-Purpose, Digital, I/O, Type-C Port; Timer 0 Alternative Output (PWM);

Wakeup Output 0

P6.5/T0/

WKOUT1

General-Purpose, Digital, I/O, Type-C Port; Timer 0 Output (PWM); Wakeup

Output 1

P7.0/TX0/

INT14

General-Purpose, Digital, I/O, Type-D Port; Serial Port 0 Transmit; External, Edge-

Selectable Interrupt 14

P7.1/RX0/

INT15

General-Purpose, Digital, I/O, Type-D Port; Serial Port 0 Receive; External Edge-

Selectable Interrupt 15

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