參數(shù)資料
型號(hào)： HT46R62
廠商： Holtek Semiconductor Inc.
英文描述： A/D with LCD Type 8-Bit MCU
中文描述： 在A / D液晶型8位微控制器
文件頁(yè)數(shù)： 4/46頁(yè)
文件大?。?/td> 401K
代理商： HT46R62
Pin Description
Pin Name
I/O
Options
Description
PA0/BZ
PA1/BZ
PA2
PA3/PFD
PA4~PA7
I/O
Wake-up
Pull-high
Buzzer
PFD
Bidirectional8-bitinput/outputport.Eachbitcanbeconfiguredaswake-up
input by option. Software instructions determine the CMOS output or
Schmitt Trigger input with or without pull-high resistor (determined by
pull-high options: bit option). The BZ, BZ and PFD are pin-shared with
PA0, PA1 and PA3, respectively.
PB0/AN0
PB1/AN1
PB2/AN2
PB3/AN3
PB4/AN4
PB5/AN5
I/O
Pull-high
Bidirectional 6-bit input/output port. Software instructions determine the
CMOS output, Schmitt trigger input with or without pull-high resistor (de-
termined by pull-high option: bit option) or A/D input. Once a PB line is se-
lected as an A/D input (by using software control), the I/O function and
pull-high resistor are disabled automatically.
PD0/PWM0
PD1/PWM1
PD2/PWM2
I/O
Pull-high
PWM
Bidirectional 3-bit input/output port. Software instructions determine the
CMOS output, Schmitt trigger input with or without a pull-high resistor (de-
termined by pull-high option: bit option). The PWM0/PWM1/PWM2 output
functionarepin-sharedwithPD0/PD1/PD2(dependentonPWMoptions).
PD4/INT0
PD5/INT1
PD6/TMR
I/O
Pull-high
Bidirectional 3-bit input/output port. Software instructions determine the
CMOS output, Schmitt trigger input with or without a pull-high resistor (de-
termined by pull-high option: bit option). The INT0, INT1 and TMR are
pin-shared with PD4/PD5/PD6.
VSS
Negative power supply, ground
VLCD
I
LCD power supply
VMAX
I
IC maximum voltage connect to VDD, VLCD or V1
V1, V2, C1, C2
I
Voltage pump
COM0~COM2
COM3/SEG19
O
1/2, 1/3 or 1/4
Duty
SEG19 can be set as a segment or as a common output driver for LCD
panel by options. COM0~COM2 are outputs for LCD panel plate.
SEG0~SEG18
O
Logical Output
LCD driver outputs for LCD panel segments. SEG0~SEG15 can be
optioned as logical outputs.
OSC1
OSC2
I
O
Crystal or RC
OSC1 and OSC2 are connected to an RC network or a crystal (by options)
for the internal system clock. In the case of RC operation, OSC2 is the out-
put terminal for 1/4 system clock. The system clock may come from the
RTC oscillator. If the system clock comes from RTCOSC, these two pins
can be floating.
OSC3
OSC4
I
O
RTC or
System Clock
Real time clock oscillators. OSC3 and OSC4 are connected to a 32768Hz
crystal oscillator for timing purposes or to a system clock source (depend-
ing on the options). No built-in capacitor
VDD
Positive power supply
RES
I
Schmitt trigger reset input, active low
Absolute Maximum Ratings
Supply Voltage...........................V
SS
0.3V to V
SS
+6.0V
Storage Temperature............................ 50 C to 125 C
Input Voltage..............................V
SS
0.3V to V
DD
+0.3V
Operating Temperature........................... 40 C to 85 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings 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.
HT46R62/HT46C62
Rev. 1.60
4
July 14, 2005
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