
ML610Q407/ML610Q408/ML610Q409 User's Manual
Chapter 1 Overview
1-17
Pin name
I/O
Description
Primary/
Secondary/
Tertiary
Logic
RC oscillation type A/D converter
IN0
I
Channel 0 oscillation input pin. This pin is used as the secondary
function of the P30 pin.
Secondary
—
CS0
O Channel 0 reference capacitor connection pin. This pin is used as
the secondary function of the P31 pin.
Secondary
—
RS0
O This pin is used as the secondary function of the P32 pin which is
the reference resistor connection pin of Channel 0.
Secondary
—
RCT0
O Resistor/capacitor sensor connection pin of Channel 0 for
measurement. This pin is used as the secondary function of the
P34 pin.
Secondary
—
RT0
O Resistor sensor connection pin of Channel 0 for measurement. This
pin is used as the secondary function of the P33 pin.
Secondary
—
RCM
O RC oscillation monitor pin. This pin is used as the secondary
function of the P35 pin.
Secondary
—
IN1
I
Oscillation input pin of Channel 1. This pin is used as the secondary
function of the P44 pin.
Secondary
—
CS1
O Reference capacitor connection pin of Channel 1. This pin is used
as the secondary function of the P45 pin.
Secondary
—
RS1
O Reference resistor connection pin of Channel 1. This pin is used as
the secondary function of the P46 pin.
Secondary
—
RT1
O Resistor sensor connection pin for measurement of Channel 1. This
pin is used as the secondary function of the P47 pin.
Secondary
—
LCD drive signal
COM0 to COM4
O Common output pins. COM2, COM3, and COM4 can be switched
to SEG0, SEG1, and SEG2, respectively, through the register
setting. To change the setting, switch between COM4 and SEG2 for
one pin and switch between COM3, COM4 and SEG1, SEG2 for
two pins.
—
SEG0 to
SEG23
O Segment output pin. The SEG0, SEG1, and SEG2 pins are for
switching the register setting with the COM2, COM3, and COM4.
—
SEG24 to
SEG27
O Segment output pin. Incorporated into ML610Q408/ML610Q409,
not into ML610Q407.
—
SEG28 to
SEG31
O Segment output pin. Incorporated into ML610Q409, not into
ML610Q407/ML610Q408.
LCD driver power supply
VL1
—
VL2
—
VL3
—
Power supply pin for LCD bias (internally generated) or power
supply connection pin. Depending on LCD Bias setting and VDD
voltage level, VDD or VDDL or capacitor is connected. For details of
the connection method, see Chapter 22, "LCD Drivers".
—
C1
—
C2
—
Power supply pins for LCD bias (internally generated). Capacitor
C12 (see Appendix C measuring circuit 1) is connected between C1
and C2.
—