9 data polling – Toshiba H1 Series User Manual

Page 616

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TMP92CZ26A

92CZ26A-613

Table 3.23.1 Relationships between Analog Input Channels and AD Conversion Result Registers

AD Conversion Result Registers

Analog Input Channel

(Port G)

Conversion Modes

other than at right

Channel Fixed Repeat

Conversion Mode

(every fourth conversion)

AN0 ADREG0H/L

AN1 ADREG1H/L

AN2 ADREG2H/L

AN3 ADREG3H/L

AN4 ADREG4H/L

AN5 ADREG5H/L

ADREG0H/L

ADREG3H/L

ADREG1H/L

ADREG2H/L

Note: For detect a overrun error thoroughly, read the AD conversion result register high at first and

read the AD conversion result register low at second. If OVRn=”0” and ADRnRF=”1”, a

correct conversion result was obtained.


3.23.2.9 Data

Polling

When the results of AD conversion are processed by means of data polling without

using interrupts, ADMOD0<EOS> should be polled. After confirming ADMOD0
<EOS>=”1”, read the AD conversion result register.



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