HT46R63 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Lista de partido
HT46R63 Datasheet PDF : 44 Pages
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HT46R63/HT46C63
Pin Name I/O
Option
Description
OSC1
OSC2
I
O
RC or crystal
A resistor across OSC1 and VDD or a crystal across OSC1 and OSC2 will
generate a system clock.
OSC3
OSC4
I
O
¾
32768Hz crystal across OSC3 and OSC4 will generate RTC clock signal
which only provides system timing.
CMPN
I
¾
Negative input for comparator
CMPP
I
¾
Positive input for comparator
CMPO
O
¾
Comparator output
CHGO
O
¾
Comparator output with 32768Hz carrier
VDD
¾
¾
Positive power supply
AVDD
¾
¾
A/D converter Positive power supply, AVDD should be externally con-
nected to VDD
VSS
¾
¾
Negative power supply, ground
RES
I
¾
Schmitt trigger reset input
VLCD
I/O
¾
LCD highest voltage; should be connected to VDD with external resistor.
SEG0~SEG18
O
SEG7~SEG18
logical CMOS
LCD segment signal driving outputs SEG7~SEG10 can be optioned as out-
put lines. SEG11~SEG14, SEG15~SEG18 can be optioned as a high sink-
ing output lines.
COM0~COM2
COM3/SEG19
O
COM3 or
SEG19
LCD common signal driving outputs
Absolute Maximum Ratings
Supply Voltage ...........................VSS-0.3V to VSS+6.0V
Input Voltage..............................VSS-0.3V to VDD+0.3V
Storage Temperature ............................-50°C to 125°C
Operating Temperature...........................-40°C to 85°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
D.C. Characteristics
Symbol
Parameter
VDD
Operating Voltage
Test Conditions
VDD
Conditions
fSYS=4MHz
¾
fSYS=8MHz
IDD1
Operating Current (RC OSC)
(Analog Circuit Disabled)
3V
No load, fSYS=4MHz
5V
IDD2
Operating Current
(RC OSC)
3V
No load, fSYS=4MHz
5V
IDD3
Operating Current
5V No load, fSYS=8MHz
ISTB1
Standby Current
3V No load,
(WDT OSC On, RTC Off, LCD Off) 5V System HALT
ISTB2
Standby Current
(WDT OSC Off, RTC Off, LCD Off)
3V
System HALT
5V
Min.
2.2
3.3
¾
¾
¾
¾
¾
¾
¾
¾
¾
Typ.
¾
¾
1
3
1
3
3
¾
¾
¾
¾
Ta=25°C
Max. Unit
5.5
V
5.5
V
2
mA
5
2
mA
5
5
mA
5
mA
15
1
mA
1
Rev. 1.90
5
May 17, 2004
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