SPEAR-09-B042 datasheet(32/66 Pages) STMICROELECTRONICS

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SPEAR-09-B042

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8.14

ADC controller

The ADC controller provides the following features:

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Successive approximation ADC

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10-bit resolution @ 1 Msps

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Hardware supporting up to 13.5 bits resolution at 8 KSPS by oversampling and

accumulation

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Eight analog input (AIN) channels, ranging from 0 to 2.5 V

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INL ± 1 LSB, DNL ± 1 LSB

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Programmable conversion speed, (min. conversion time is 1 µs)

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Programmable average results from 1 (No average) up to 128

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Programmable auto scan for all the eight channels.

8.15

UART

One SW flow control UART (one of these having IrDA features)

●

Separate 16x8 (16 location deep x 8-bit wide) transmit and 16x12 receive FIFOs to

reduce CPU interrupts

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Speed up to 460.8 Kbps.

8.16

IrDA

IrDA compliant serial link (FIR/MIR/SIR) from 9.6Kbps to 4 Mbps speed-rate.

8.17

SPI

An SPI interface is provided. The main features are:

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Maximum speed of 50 Mbps

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Programmable choice of interface operation:

–

SPI,

–

Microwire

–

TI synchronous serial

●

Programmable data frame size from 4 to 16-bit.

●

Master and slave mode capability.

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A connection to general purpose DMA is provided to reduce the CPU load.

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