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M44Cx90

Features: Programmable systemclock with prescaler and four clock sources 4-MHz crystal oscillator RC-oscillator without external resistor RC-oscillator adjustable with external resistor External clock input32-kHz crystal oscillatorWide supply voltage range (1.8 V to 6.5 V)Very low sleep curren...

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SeekIC No. : 004405287 Detail

M44Cx90: Features: Programmable systemclock with prescaler and four clock sources 4-MHz crystal oscillator RC-oscillator without external resistor RC-oscillator adjustable with external resistor External...

M44Cx90 Data Sheet

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Part Number:
M44Cx90
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/5/13

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Product Details

Description



Features:

Programmable systemclock with prescaler and four clock sources
    4-MHz crystal oscillator
    RC-oscillator without external resistor
    RC-oscillator adjustable with external resistor
    External clock input
32-kHz crystal oscillator
Wide supply voltage range (1.8 V to 6.5 V)
Very low sleep current (< 1A)
2/4 KByte ROM, 128* 4-bit RAM
512 bit EEPROM optional (M44C890/892)
12/16 bidirectional I/O's
Up to 7 external / 7 internal interrupt sources
2-wire serial interface
Multi-functional timers / counters with
    IR remote control carrier generator
    Biphase-, Manchester- and pulse width modulator
    Biphase-, Manchester- and pulse width demodulator (only M44Cx92)
    Phase control function (only M44Cx92)
Prescaler / interval timer
Watchdog, POR and brown-out function
Voltage monitoring
OTP M48C892
SSO20-, SO20-, SO16- and SO8 (M44C090) package


Application

The two MARC4 products M44C892/092 and M44C890/090 offer highest integration for IR and RF data communication, remote control and phase control. The M44C890/090 controller is optimized for the transmitter side and the M44C892/092 for the transmitter side as well as the receiver side.

TEMIC's system know-how was used to integrate modulators and demodulators for commonly-used wireless protocols and phase control into the controllers. Both controllers perfectly match the RF front end device U2740B and the IR driver chip U426B. This along with the very small SSO package and the approach to minimize the number of external components leads to extremely compact remote control units, e.g., for electronic keys. Finally, the very low current consumption and the extended supply voltage range optimizes battery life time.

Development is supported with the OTP M48C892 which covers the features of the M44C892 included the optional 512 bit EEPROM and both includes the performance of the M44C090.


Pinout

Connection Diagram




Description

The M44Cx90 and M44Cx92 are members of the TEMIC family of 4-bit single chip microcontrollers.


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