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HT46R01B Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT46R01B
Description  Small Package 8-Bit OTP MCU
Download  71 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R01B Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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Note:
I/T: Input type
O/T: Output type
OPT: Optional by configuration option (CO) or register option
PWR: Power
CO: Configuration option
ST: Schmitt Trigger input
CMOS: CMOS output
The important point to note here is that the PB0 and PB1 pads will not be bounded to pins in the 10-pin MSOP
package. These two pads default to an input state, the designer should set the register PBPU to pull high op-
tions. In this way, these two internal pads can be pulled up in order to prevent input pin floating power con-
sumption.
HT46R01N/HT46R02N
Pin Name
Function
OPT
I/T
O/T
Description
PA0/AN0
PA0
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
AN0
ADCR
AN
¾
A/D channel 0
PA1/PFD/AN1
PA1
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
PFD
CTRL0
¾
CMOS PFD output
AN1
ADCR
AN
¾
A/D channel 1
PA2/TC0/AN2
PA2
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
TC0
¾
ST
¾
External Timer 0 clock input
AN2
ADCR
AN
¾
A/D channel 2
PA3/INT/AN3
PA3
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
INT
¾
ST
¾
External interrupt input
AN3
ADCR
AN
¾
A/D channel 3
PA4/TC1/PWM
PA4
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
TC1
¾
ST
¾
External Timer 1 clock input
PWM
CTRL0
¾
CMOS PWM output
PA5/OSC2
PA5
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
OSC2
CO
¾
OSC
Oscillator pin
PA6/OSC1
PA6
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
OSC1
CO
OSC
¾
Oscillator pin
PA7/RES
PA7
PAWK
ST
NMOS General purpose I/O. Register enabled wake-up.
RES
CO
ST
¾
Reset input
PB0
PB0
PBPU
ST
CMOS General purpose I/O. Register enabled.
PB1
PB1
PBPU
ST
CMOS General purpose I/O. Register enabled.
VDD
VDD
¾
PWR
¾
Power supply
VSS
VSS
¾
PWR
¾
Ground
HT46R01B/02B/01N/02N
HT48R01B/02B/01N/02N
Rev.1.10
5
February 12, 2010


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