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HT46C64 Datasheet

  • HT46C64

  • A/D with LCD Type 8-Bit MCU

  • 47頁

  • HOLTEK

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HT46R64/HT46C64
A/D with LCD Type 8-Bit MCU
Features
路
Operating voltage:
路
Watchdog Timer
路
Buzzer output
路
On-chip crystal, RC and 32768Hz crystal oscillator
路
HALT function and wake-up feature reduce power
f
SYS
=4MHz: 2.2V~5.5V
f
SYS
=8MHz: 3.3V~5.5V
路
24 bidirectional I/O lines
路
Two external interrupt input
路
One 8-bit and one 16-bit programmable timer/event
consumption
路
8-level subroutine nesting
路
8 channels 10-bit resolution A/D converter
路
4-channel 8-bit PWM output shared with 4 I/O lines
路
Bit manipulation instruction
路
16-bit table read instruction
路
Up to 0.5ms instruction cycle with 8MHz system clock
路
63 powerful instructions
路
All instructions in 1 or 2 machine cycles
路
Low voltage reset/detector function
路
56-pin SSOP, 100-pin QFP package
counter with PFD (programmable frequency divider)
function
路
LCD driver with 33麓3 or 32麓4 segments
(logical output option for SEG0~SEG15)
路
4K麓15 program memory
路
192麓8 data memory RAM
路
Supports PFD for sound generation
路
Real Time Clock (RTC)
路
8-bit prescaler for RTC
General Description
The HT46R64/HT46C64 are 8-bit, high performance,
RISC architecture microcontroller devices specifically
designed for A/D product applications that interface di-
rectly to analog signals and which require LCD Inter-
face. The mask version HT46C64 is fully pin and
functionally compatible with the OTP version HT46R64
device.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, multi-channel A/D
Converter, Pulse Width Modulation function, HALT and
wake-up functions, in addition to a flexible and
configurable LCD interface enhance the versatility of
these devices to control a wide range of applications re-
quiring analog signal processing and LCD interfacing,
such as electronic metering, environmental monitoring,
handheld measurement tools, motor driving, etc., for
both industrial and home appliance application areas.
HT46C64 under development, available in 4Q, 2004.
Rev. 1.40
1
September 21, 2004

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