HT45F23A View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

Manufacturer

HT45F23A

8-Bit Flash MCU with Op Amps & Comparators

Holtek Semiconductor 

HT45F23A

8-Bit Flash MCU with Op Amps & Comparators

Pin Name Function OPT I/T O/T

Description

PC2/XT1

PC2 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

XT1

CO LXT — LXT pin

PC3/XT2

PC3 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

XT2

CO

— LXT LXT pin

PC4 PCPU ST CMOS General purpose I/O. Register enabled pull-up.

PC4/VREF/

VREF

VCAP/SCOM1 VCAP

ACSR AN

LDOC —

— ADC reference input

— LDO output capacitor pin. Connect a 0.1µF capacitor.

SCOM1 LCDC — SCOM Software controlled 1/2 bias LCD COM

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

PC5/PWM0/

C1N/SCOM2

PWM0 BPCTL — CMOS PWM0 output pin

C1N CMP1C1 CMPI — Comparator 1 inverting input pin

SCOM2 LCDC — SCOM Software controlled 1/2 bias LCD COM

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

PC6/PWM1/

C2P/SCOM3

PWM1 BPCTL — CMOS PWM1 output pin

C2P CMP2C1 CMPI — Comparator 2 non-inverting input pin

SCOM3 LCDC — SCOM Software controlled 1/2 bias LCD COM

VDD

VDD

— PWR — Power supply

VSS

VSS

— PWR — 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

SCOM: Software controlled LCD COM

HXT: High frequency crystal oscillator

LXT: Low frequency crystal oscillator

OPAI: Operational Amplifier input

OPAO: Operational Amplifier output

CMPI: Comparator input

CMPO: Comparator output

DAO: D/A output

Rev. 1.00

13

July 03, 2012

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