HT46R0664 datasheet(6/92 Pages) HOLTEK

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HT46R0664

Enhanced A/D+LCD Type 8-Bit OTP MCU

General Description

The Enhanced A/D Type with LCD is a 8-bit high performance, RISC architecture microcontroller

specifically designed for applications that interface directly to analog signals and which require an

LCD interface. The device includes an integrated multi-channel Analog to Digital Converter, Pulse

Width Modulation outputs and an LCD driver. The benefits of integrated A/D, LCD, and PWM

functions, in addition to low power consumption, high performance, I/O flexibility, timer functions,

oscillator options, power down and wake-up functions, watchdog timer and low voltage reset,

combine to provide device with a huge range of functional options while still main taining a high

level of cost effectiveness. The fully integrated system oscillator HIRC, which requires no external

components and which has three frequency selections, opens up a huge range of new application

possibilities for the device, some of which may include industrial control, consumer products,

household appliances subsystem controllers, etc.

Block Diagram

Ti mi ng

Ge me ra ti on

8- bi t

RI SC

MC U

Co re

RO M/ RA M

Me mo ry

A/ D

Co nv er te r

Bu zze r

Ti me

Ba se 0 /1

Ti me r

LC D

Dr iv er

PW M

Dr iv er

I/ O

Po rt s

PF D

Dr iv er

Pin Assignment

(44-QFP)

12 13 14 15 16 17 18 19 20 21 22

44 43 42 41 40 39 38 37 36 35 34

PE2/SEG18/INT0

PA0/INT1/PWM0

PA1/[TC0]/TC1/INT2

PA2/[TC1]/TC0/INT3

VDD

VSS

PA5/OSC2/AN11

PA6/OSC1/AN10

PF0/AN9

PA4/XT1

PA3/XT2

PC6/SEG6

PC5/SEG5

PC4/SEG4

PC3/SEG3

PC2/SEG2

PC1/SEG1

PC0/SEG0

PB7/COM0

PB6/COM1

PB5/COM2

PB4/COM3

Note: 1. Bracketed pin names indicate non-default pinout remapping locations.

2. If the pin-shared pin functions have multiple outputs simultaneously, its pin names at the right

side of the “/” sign can be used for higher priority.

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