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ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 1
Overview
1 – 18
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
—
Successive approximation type A/D converter
AVSS
—
Negative power supply pin for successive approximation type A/D
converter.
—
AVDD
—
Positive power supply pin for successive approximation type A/D
converter.
—
VREF
—
Reference power supply pin for successive approximation type A/D
converter.
—
AIN0
I
Channel 0 analog input for successive approximation type A/D converter.
—
AIN1
I
Channel 1 analog input for successive approximation type A/D converter.
—
LCD drive signal
COM0-3
O
Common output pins.
—
SEG0-35
O
Segment output pins.
—
SEG36-43
O
Segment output pin. These pins are for the ML610Q412, but are not
provided in the ML610Q411 and ML610Q415.
—
LCD driver power supply
VL1
—
VL2
—
VL3
—
Power supply pins for LCD bias (internally generated). Capacitors Ca, Cb,
and Cc (see measuring circuit 1) are connected between VSS and VL1, VL2,
and VL3, respectively.
—
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
VSS
—
Negative power supply pin.
—
VDD
—
Positive power supply pin for I/O, internal regulator, battery low detector,
and power-on reset.
—
VDDL
—
Positive power supply pin (internally generated) for internal logic.
Capacitors CL0 and CL1 (see measuring circuit 1) are connected between
this pin and VSS.
—
VDDX
—
Positive power supply pin (internally generated) for low-speed oscillation.
When using ML610Q411 and ML610Q412, connect capacitor Cx (see
measuring circuit 1) between this pin and VSS. Connect this pin to Vss
directly when using ML610Q415.
—