FEDL610Q409-05
ML610Q407/ML610Q408/ML610Q409
18/34
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
—
RCT0 O
Resistor/capacitor sensor connection pin of Channel 0 for measurement.
This pin is used as the secondary function of the P33 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
—
RT0 O
Resistor sensor connection pin of Channel 0 for measurement. This pin is
used as the secondary function of the P34 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
COM0-4 O
Common output pins.
— —
SEG0-31 O
Segment output pins.
— —
SEG32-35 O
Segment output pin. These pins are for the ML610Q408/ML610Q409, but
are not provided in the ML610Q407.
— —
SEG36-39 O
Segment output pin. These pins are for the ML610Q409, but are not
provided in the ML610Q407/ML610Q408.
— —
LCD driver power supply
V
L1
— — —
V
L2
— — —
V
L3
—
Power supply pins for LCD bias (internally generated or positive power
supply pin
connected ). Depending on LCD Bias setting and V
DD
voltage
level, V
DD
or V
DDL
or capacitor is connected. For details of the connection
method, see user’s manual.
— —
C1 — — —
C2 —
Power supply pins for LCD bias (internally generated). Capacitors C12 is
connected between C1 and C2.
— —
For testing
TEST I/O
Input/output pin for testing. A pull-down resistor is internally connected.
— —
Power supply
V
SS
—
Negative power supply pin.
— —
V
DD
—
Positive power supply pin for I/O, internal regulator, battery low detector,
and power-on reset.
— —
V
DDL
—
Positive power supply pin (internally generated) for internal logic.
Capacitor CL (see Appendix C measuring circuit 1) is connected between
this pin and V
SS
.
— —
V
PP
—
Power supply pin for programming Flash ROM. A pull-down resistor is
internally connected.
— —