ML63611A Datasheet, PDF (15/49 Pages) OKI electronic componets – 4-Bit Microcontroller that Operates under Ultra-Low Supply Current, with RC Oscillation Type A/D Converter Built-In

OKI Semiconductor
FEDL63611A-01
ML63611A
PIN DESCRIPTIONS
The basic functions of each pin of the ML63611A are described in Table 2.
A symbol with a slash (/) denotes a pin that has a secondary function.
Refer to Table 3 for secondary functions.
For type, “—” denotes a power supply pin, “I” an input pin, “O” an output pin, and “I/O” an input-output pin.
Classification
Power Supply
Oscillation
Test
Pin
name
V_DD
V_SS
V_DD1
V_DD2
V_DD3
C1
C2
V_HF
V_XT
V_CH
HC1
HC2
XT0
XT1
OSC0
OSC1
TST1
TST2
Table 2 Pin Description (Basic Functions)
Pad No. I/O
Function
38, 129
Positive power supply
63, 123
Negative power supply
113
Power supply pins for LCD bias voltage (internally
114
generated):
A capacitor (1.0 µF) should be connected between V_DD1
and V_SS, between V_DD2 and V_SS, and between V_DD3 and
115
V_SS.
For the OPTION A, connect V_DD1 with V_DD; for the OPTION
C, connect V_DD2 with V_DD.
116
Capacitor connection pins for LCD bias voltage generation:
A capacitor (1.0 µF) should be connected between C1 and
117
C2.
Power supply pin for the internal regulator:
120
—
A capacitor (0.1 µF) should be connected between this pin
and V_SS. Leave this pin open for the OPTION A and
OPTION B.
Power supply pin for the voltage regulator circuit for
low-speed oscillation:
119
A capacitor (1.0 µF) should be connected between this pin
and V_SS.
Power supply pin for the voltage regulator circuit for internal
logic:
118
A capacitor C₁ (1.0 µF) should be connected between this
pin and V_SS.
121
Capacitor connection pins for the halver circuit:
A capacitor (0.1 µF) should be connected between HC1
122
and HC2. Leave these pins open for the OPTION A and
OPTION B.
128
I
Low-speed clock oscillation pins:
127
O
Connect a crystal between XT0 and XT1, and connect
capacitor (C_G) between XT0 and V_SS.
125
I
High-speed clock oscillation pins:
Ceramic oscillation or RC oscillation is selected by the
software. In the OPTION A and OPTION B, only RC
oscillation is available.
If ceramic oscillation is selected, connect a ceramic
124
O resonator between OSC0 and OSC1, and connect
capacitor (C_L0, C_L1) between OSC0 and V_SS and between
OSC1 and V_SS.
If RC oscillation is selected, connect external oscillation
resistor (R_OSH) between OSC0 and OSC1.
39
Input pins for testing:
I
40
A pull-down resistor is internally connected to these pins.
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