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HT46R74D-1, HT46R92, HT46R94

Table of contents:
Info of HT46R74D-1
Info of HT46R92
Info of HT46R94

HT46R74D-1, HT46R92, HT46R94 Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:SSOP-56 D/C:08+

HT46R74D-1, HT46R92, HT46R94 Datasheet download

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Part Number: HT46R74D-1

MFG: HOLTEK

Package Cooled: SSOP-56

D/C: 08+

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HT46R74D-1 General Description

The HT46R74D-1 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for A/D with LCD applications that interface directly to analog signals, such as those from sensors. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Dual slope A/D converter, LCD display, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of these devices to suit for a wide range of AD with LCD application possibilities such as sensor signal processing, scales, consumer products, subsystem controllers, etc.

HT46R74D-1 Maximum Ratings

Supply Voltage ...........................V_SS-.3V to V_SS+6.0V
Input Voltage..............................V_SS-.3V to V_DD+0.3V
I_OL Total ..........................................................150mA
Total Power Dissipation ..................................500mW
Storage Temperature ...........................-50 to 125
Operating Temperature...........................-40 to 85
I_OH Total..........................................................-100mA

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

HT46R74D-1 Features

` Operating voltage:
f_SYS= 4MHz: 2.2V~5.5V
f_SYS = 8MHz: 3.3V~5.5V
` 10 bidirectional I/O lines and two ADC inputs
` Two external interrupts inputs shared with I/O lines
` One 8-bit and one 18-bit programmable timer/event counter with overflow interrupt and pre-scaler
` LCD driver with 15*4, 16*3 or 16*2 segments
` 4K*15 program memory with partial lock function
` 96*8 data memory RAM
` Single differential input channel dual slope Analog to Digital Converter with Operational Amplifier.
` Watchdog Timer with regulator power
` Buzzer output
` External 32768Hz RTC oscillator
` Integrated RC or crystal oscillator
` Power-down and wake-up functions reduce power consumption
` Internal 3.3V Voltage regulator and charge pump
` Embedded voltage reference generator - 1.5V
` 6-level subroutine nesting
` Bit manipulation instruction
` 15-bit table read instruction
` Up to 0.5s instruction cycle with 8MHz system clock at V_DD=5V
` 63 powerful instructions
` All instructions in 1 or 2 machine cycles
` Low voltage reset/detector function
` 56-pin SSOP package

HT46R74D-1 Connection Diagram

HT46R92 General Description

The HT46R92 is an 8-bit high performance RISC architecture microcontroller, the device is designed especially for applications that interface directly to analog signals, such as those from sensors. The devices include an integrated multi-channel Analog to Digital Converter in addition to two Pulse Width Modulation outputs. An internal high current LED driver circuit also
provides for easy interfacing to applications which contain LED displays.

The usual Holtek MCU features such as power down and wake-up functions, oscillator options, etc. combine to ensure user applications require a minimum of external components. The benefits of integrated A/D and PWM functions, in addition to low power consumption, high performance, I/O flexibility and low-cost, provides the device with the versatility to suit a wide range of application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.

As is the case with all Holtek microcontroller devices, the HT46R92 is fully supported by a full suite of professional hardware and software tools, containing comprehensive features to ensure user applications are designed and debugged in as short a time as possible.

HT46R94 General Description

HT46R94 ,A/D ,.3 PWM .LED ,.

,,,.A/D PWM,,,/,,,,.

,HT46R94 ,.

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