AT89C51SND1C-ROTIL datasheet(17/42 Pages) ATMEL

Part #	AT89C51SND1C-ROTIL

Description	Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface

PDF	42 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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17 / 42 page

AT8xC51SND1C

4109JS–8051–10/06

1.12 2-wire Controller

The AT8xC51SND1C implements a 2-wire controller supporting the four standard mas-

ter and slave modes with multimaster capability. It is provided for the following

purposes:

•

Connection of slave devices like LCD controller, audio DAC…

•

Remote control of the AT8xC51SND1C by a host.

•

In System Programming.

1.13 A/D Controller

The AT8xC51SND1C implements a 2-channel 10-bit (8 true bits) analog to digital con-

verter (ADC). It is provided for the following purposes:

•

Battery monitoring.

•

Voice recording.

•

Corded remote control.

1.14 Keyboard Interface

The AT8xC51SND1C implements a keyboard interface allowing connection of 4 x n

matrix keyboard. It is based on 4 inputs with programmable interrupt capability on both

high or low level. These inputs are available as alternate function of P1.3:0 and allow

exit from idle and power down modes.

AT89C51SND1C-ROTIL Datasheet(PDF) 17 Page - ATMEL Corporation