FEATURES

• 80C51 ports P0, P1, P2 and P3 available for interfacing

to display, keyboard, I2

C-bus, interrupt sources and/or

external memory. Integrated 64 kbyte ROM, 3 kbytes of

data memory and 1kbyte System Data RAM. External

program memory is addressable up to 128 kbytes

• +2.7 to 5 V port (P0 to P3) interface

• TDMA frame (de)multiplexing, transmission or reception

can be programmed for any slot

• Ciphering, scrambling, CRC checking/generation and

protected B-fields

• Speech and data buffering space for six handsets

• Local call and B-field loop-back

• Two interrupt lines for BML and DSP to interrupt 80C51

• On-chip, three channel time-multiplexed 8-bit

Analog-to-Digital Converter (ADC) for RSSI

measurement, one for battery voltage measurement

and one channel available for other purposes

• On-chip 8-bit Digital-to-Analog Converter (DAC) for

electronic potentiometer function

• Phase error measurement and phase error correction by

hardware

• DACs and ADCs for dynamic earpiece and dynamic or

electret microphone

• On-chip reference voltage

• On-chip supply for electret microphone

• Very low ohmic buzzer output

• Serial interface to external ADPCM CODEC (PCD5032)

or 8 kHz u-law samples

• Speech switch for Digital Telephone Answering

Machine (DTAM) connected to SPI interface

• IOM?-2 interface (Siemens registered trademark)

• Serial interface to synthesizer for frequency

programming

• Programmable polarity and timing of radio-control

signals

• GMSK pulse shaper

• On-chip comparator for use as data-slicer

 

 

 

**注意 & Noted:

Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking.As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support ！

 

由于批量與樣品的價(jià)格不同，網(wǎng)上無(wú)法統(tǒng)一注明，請(qǐng)您把采購(gòu)型號(hào)通過(guò)郵件或客服發(fā)給我們，也可致電明佳達(dá)國(guó)內(nèi)銷售部：0755-83957301，由客服人員為您報(bào)價(jià)；有時(shí)元件廠商價(jià)格稍許變動(dòng)，本公司未能及時(shí)調(diào)整，如您覺(jué)得售價(jià)偏高，請(qǐng)與我們說(shuō)明并適當(dāng)議價(jià)；感謝支持!