
ML610Q407/ML610Q408/ML610Q409 User's Manual
Chapter 1 Overview
1-16
Pin name
I/O
Description
Primary/
Secondary/
Tertiary
Logic
UART
TXD0
O UART data output pin. This pin is used as the secondary function of
the P43 pin.
Secondary
Positive
RXD0
I
UART data input pin. This pin is used as the secondary function of
the P42 or the primary function of the P02 pin.
Primary/
Secondary
Positive
Synchronous serial (SSIO)
SCK0
I/O Synchronous serial clock input/output pin. This pin is used as the
tertiary function of the P41 or P45 pin.
Tertiary
—
SIN0
I
Synchronous serial data input pin. This pin is used as the tertiary
function of the P40 or P44 pin.
Tertiary
Positive
SOUT0
O Synchronous serial data output pin. This pin is used as the tertiary
function of the P42 or P46 pin.
Tertiary
Positive
SCK1
I/O Synchronous serial clock input/output pin. Assigned to the tertiary
function of the P51 pin and P54 pin.
Tertiary
—
SIN1
I
Synchronous serial data input pin. Assigned to the tertiary function
of the P50 pin and P54 pin.
Tertiary
Positive
SOUT1
O Synchronous serial data output pin. Assigned to the tertiary function
of the P52 pin and P56 pin.
Tertiary
Positive
PWM
PWM0
O PWM0 output pin. This pin is used as the secondary function of the
P24 and tertiary function of the P43 pin.
Secondary
Tertiary
Positive
T0P02CK
O PWM0 external clock input pin. This pin is used as the primary
function of the P04 pin and P44 pin.
Primary
—
External interrupt
EXI0-4
I
External maskable interrupt input pins. Interrupt enable and edge
selection can be performed for each bit by software. These pins are
used as the primary functions of the P00 to P04 pins.
Primary
Positive/
negative
EXI8
I
External maskable interrupt input pins. Interrupt enable and edge
selection can be performed for each bit by software. Assigned to
the primary function of the P50 to P57 pins.
Primary
Positive/
negative
Capture
CAP0
I
Primary
Positive/
negative
CAP1
I
Capture trigger input pins. The value of the time base counter is
captured in the register synchronously with the interrupt edge
selected by software. These pins are used as the primary functions
of the P00 pin(CAP0) and P01 pin(CAP1).
Primary
Positive/
negative
Timer
T0P02CK
I
External clock input pin used for both Timer 0 and Timer 2. This pin
is used as the primary function of the P04 pin and P44 pin.
Primary
—
T13CK
I
External clock input pin used for both Timer 1 and Timer 3. This pin
is used as the primary function of the P45 pin.
Primary
—
Melody
MD0
O Melody/buzzer signal output pin. This pin is used as the secondary
function of the P22 and P50 pins.
Secondary
Positive/
negative
LED drive
LED0 to LED2,
LED4
O N-channel open drain output pins to drive LED. This pin is used as
the primary function of the P20 to P22 and P24 pins.
Primary
Positive
/negative