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HT46R065D

Enhanced A/D Type MCU with High Current LED Driver

Holtek Semiconductor 

HT46R064D/065D/066D

Enhanced A/D Type 8-Bit OTP MCU with LED Driver

Pin Name

Function OPT I/T O/T

Description

PB6/SCOM0

PB6

PBPU ST

SCOM0 SCOMC ¾

CMOS General purpose I/O. Register enabled pull-up.

SCOM Software controlled 1/2 bias LCD COM

PB7/SCOM1

PB7

PBPU ST

SCOM1 SCOMC ¾

CMOS General purpose I/O. Register enabled pull-up.

SCOM Software controlled 1/2 bias LCD COM

PC0, PC1

PCn PCPU ST CMOS General purpose I/O. Register enabled pull-up.

PC2/[PFD]

PC2

PFD

PCPU ST CMOS General purpose I/O. Register enabled pull-up.

CTRL0 ¾ CMOS PFD output

PC3/[INT]

PC3

INT

PCPU

¾

ST CMOS General purpose I/O. Register enabled pull-up.

ST ¾ External interrupt input

PC4/[TC0]

PC4

TC0

PCPU

¾

ST CMOS General purpose I/O. Register enabled pull-up.

ST ¾ External Timer 0 clock input

PC5

PC5 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

PC6/SCOM3

PC6 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

SCOM3 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM

PC7/SCOM2

PC7 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

SCOM2 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM

VDD

VDD

¾ PWR ¾ Power supply

VSS

VSS

¾ PWR ¾ Ground

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; AN: analog input

SCOM: Software controlled LCD COM

Rev. 1.00

6

January 12, 2011

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