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HT46C65, HT46CU25, HT46CU66

Table of contents:
Info of HT46C65
Info of HT46CU25
Info of HT46CU66

HT46C65, HT46CU25, HT46CU66 Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:QFP-100 D/C:08+

HT46C65, HT46CU25, HT46CU66 Datasheet download

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Part Number: HT46C65

MFG: HOLTEK

Package Cooled: QFP-100

D/C: 08+

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HT46C65 General Description

The HT46R65/HT46C65 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D product applications that interface directly to analog signals and which require LCD Interface. The mask version HT46C65 is fully pin and functionally compatible with the OTP version HT46R65 device.

The advantages of low power consumption, I/O flexibility, 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 requiring 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.

HT46C65 Maximum Ratings

Supply Voltage ..........................VSS-0.3V to VSS+6.0V
Input Voltage.............................VSS-0.3V to VDD+0.3V
Storage Temperature ............................-50 to 125
Operating Temperature........................... -40 to 85

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT46C65 Features

· Operating voltage:
f_SYS=4MHz: 2.2V~5.5V
f_SYS=8MHz: 3.3V~5.5V
· 24 bidirectional I/O lines
· Two external interrupt input
· Two 16-bit programmable timer/event counter with PFD (programmable frequency divider) function
· LCD driver with 41X3 or 40X4 segments (logical output option for SEG0~SEG23)
· 8KX16 program memory
· 384X8 data memory RAM
· Supports PFD for sound generation
· Real Time Clock (RTC)
· 8-bit prescaler for RTC
· Watchdog Timer
· Buzzer output
· On-chip crystal, RC and 32768Hz crystal oscillator
· HALT function and wake-up feature reduce power consumption
· 16-level subroutine nesting
· 8 channels 10-bit resolution A/D converter
· 4-channel 8-bit PWM output shared with 4 I/O lines
· Bit manipulation instruction
· 16-bit table read instruction
· Up to 0.5's instruction cycle with 8MHz system clock
· 63 powerful instructions
· All instructions in 1 or 2 machine cycles
· Low voltage reset/detector function
· 52-pin QFP, 56-pin SSOP, 100-pin QFP packages

HT46C65 Connection Diagram

HT46CU25 General Description

The HT46RU25/HT46CU25 are 8-bit, high performance,RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors. The mask version HT46CU25 is fully pin and functionally compatible with the OTP version HT46RU25 device.

The advantages of low power consumption, I/O flexibility,programmable frequency divider, timer functions,oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, UART function, I²C interface,HALT and wake-up functions, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products,subsystem controllers, etc.

HT46CU25 Maximum Ratings

Supply Voltage ............................V_SS-0.3V to V_SS+6.0V
Storage Temperature .............................-50 to 125
Input Voltage..............................V_SS-0.3V to V_DD+0.3V
Operating Temperature............................-40 to 85
IOL Total ............................................................150mA
IOH Total............................................................-100mA
Total Power Dissipation .....................................500mW
Note: These are stress ratings only. Stresses exceeding the range specified under"Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT46CU25 Features

·Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
·System clock (fSYS): 400kHz~8MHz, 32.768kHz
·48 bidirectional I/O lines (max.)
·One interrupt input shared with an I/O line
·One 8-bit and two 16-bit programmable timer/event counter with prescaler and PFD (programmable frequency divider) function and overflow interrupt
·16K×16 program memory in two banks (Bank 0, 1)
·576×8 (192×3) data memory RAM (address from 040H~0FFH, bank 0~2)
·On-chip crystal and RC oscillator
·Watchdog Timer
·Supports PFD for sound generation
·Real Time Clock (RTC) with 8-bit prescaler
·HALT function and wake-up feature reduce power consumption
·Up to 0.5s instruction cycle with 8MHz system clock at V_DD=5V
·16-level subroutine nesting
·8-channels 12-bit resolution A/D converter
·4-channels (6+2)/(7+1)-bit PWM output shared with four I/O lines
·Universal Asynchronous Receiver Transmitter (UART)
·Bit manipulation instruction
·16-bit table read instruction
·63 powerful instructions
·All instructions in one or two machine cycles
·Low voltage reset function
·I²C Bus (slave mode)
·48/56-pin SSOP package

HT46CU25 Connection Diagram

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