¡ Semiconductor
ML63187/63189B
PIN DESCRIPTIONS
The basic functions of each pin of the ML63187/ML63189B are described in Table 1.
A symbol with a slash (/) denotes a pin that has a secondary function.
Refer to Table 2 for secondary functions.
Fortype, "—"denotesapowersupplypin, "I"aninputpin, "O"anoutputpin, and"I/O"aninput-
output pin.
Table 1 Pin Descriptions (Basic Functions)
Pin No.
Pad No.
Function Symbol
Type
Description
Positive power supply
ML63187ML63189B ML63187ML63189B
VDD
VSS
54
43
44
45
46
47
48
49
50
56
45
46
47
48
49
50
51
52
72
61
62
63
64
65
66
67
68
82
71
72
73
74
75
76
77
78
—
—
Negative power supply
VDD1
VDD2
VDD3
VDD4
VDD5
C1
Power supply pins for LCD bias (internally generated).
Capacitors (0.1 mF) should be connected between these
—
pins and VSS.
—
—
Capacitor connection pins for LCD bias generation.
A capacitor (0.1 mF) should be connected between C1 and C2.
Positive power supply pin for external interface
(power supply for input, and input-output ports)
Positive power supply pin for internal logic (internally
generated).
C2
VDDI
70
69
83
93
—
Power
Supply
VDDL
55
57
73
83
—
A capacitor (0.1 mF) should be connected between this
pin and VSS
.
Voltage multiplier pin for power supply backup
(internally generated).
VDDH
51
53
69
79
—
A capacitor (1.0 mF) should be connected between this
pin and VSS
.
CB1
CB2
52
53
54
55
70
71
80
81
—
—
Pins to connect a capacitor for voltage multiplier.
A capacitor (1.0 mF) should be connected between CB1
and CB2.
Low-speed clock oscillation pins.
An option for using crystal oscillation or RC oscillation
is chosen by the mask option.
XT0
60
62
78
88
I
If the crystal oscillation is chosen, a crystal should be
connected between XT0 and XT1, and capacitor (CG)
XT1
59
61
77
87
O
should be connected between XT0 and VSS
.
Oscillation
If the RC oscillation is chosen, external oscillation
resistor (ROSL) should be connected between XT0 and
XT1.
High-speed clock oscillation pins.
OSC0
OSC1
57
56
59
58
75
74
85
84
I
A ceramic resonator and capacitors (CL0, CL1) or external
oscillation resistor (ROSH) should be connected to these pins.
O
12/35
OKI [ OKI ELECTRONIC COMPONETS ]
