Serial i/o interface, Serial peripheral interface, Two-wire controller – Atmel AT89C5132 User Manual
Page 13: A/d controller
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AT89C5132
4173ES–USB–09/07
Serial I/O Interface
The AT89C5132 implements a serial port with its own baud rate generator providing one
single synchronous communication mode and three full-duplex Universal Asynchronous
Receiver Transmitter (UART) communication modes. It is provided for the following
purposes:
•
In System Programming.
•
Remote control of the AT89C5132 by a host.
Serial Peripheral
Interface
The AT89C5132 implements a Serial Peripheral Interface (SPI) supporting master and
slave modes. It is provided for the following purposes:
•
Remote control of the AT89C5132 by a host.
•
In System Programming.
Two-wire Controller
The AT89C5132 implements a 2-wire controller supporting the four standard master 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 AT89C5132 by a host.
•
In System Programming.
A/D Controller
The AT89C5132 implements a 2-channel 10-bit (8 true bits) analog to digital converter
(ADC). It is provided for the following purposes:
•
Battery monitoring.
•
Voice recording.
•
Corded remote control.