CIRCC Ver la hoja de datos (PDF) - SMSC -> Microchip

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CIRCC

Consumer Infrared Communications Controller

SMSC -> Microchip 

AEN

String Move

FIFO Not Empty

IOCHRDY

IOR

10us (max)

24ns (max)

FIGURE 33 - VALID I/O READ READY CYCLE

IOCHRDY Timer

The 10Fs IOCHRDY Timer is initialized when

IOCHRDY is active. The timer count sequence

is activated when IOCHRDY goes inactive. If

IOCHRDY becomes active before the 10Fs time-

out has elapsed, the timer is stopped and the

count is re-initialized. If IOCHRDY is still inactive

when the 10Fs time-out occurs, the timer stops,

the time-out error bit is set, IOCHRDY is re-

asserted, and the string move bit is reset (Figure

34).

AEN

String Move

FIFO Not Empty

IOCHRDY

IOR

IOCHRDY Time-out

10us

Start

Timer

IOCHRDY

Error

FIGURE 34 - IOCHRDY 10FS TIME-OUT

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