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TMP93CS44 Scheda tecnica(PDF) 182 Page - Toshiba Semiconductor

Il numero della parte TMP93CS44
Spiegazioni elettronici  CMOS 16-Bit Microcontroller
PDF  224 Pages
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Produttore elettronici  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP93CS44 Scheda tecnica(HTML) 182 Page - Toshiba Semiconductor

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TMP93CS44/S45
2004-02-10
93CS44-180
(4) AD conversion modes and completion interrupt
Follow the four AD conversion modes are supported.
•
Fixed channel single conversion mode
•
Channel scan single conversion mode
•
Fixed channel repeat conversion mode
•
Channel scan repeat conversion mode
AD conversion mode can selected by setting AD mode control register
ADMOD0<REPET, SCAN>.
When AD conversion end, AD conversion completion interrupt INTAD request
occurs. And the ADMOD0<EOCF> flag is set to 1 to indicate that AD conversion has
completed.
1. Fixed channel single conversion mode
Fixed channel single conversion mode can be specified by setting
ADMOD0<REPET, SCAN> to 00.
In this mode, conversion of the specified single channel is executed once only.
After conversion is completed, ADMOD0<EOCF> is set to 1, ADMOD0<ADBF> is
cleared to 0 and occurs INTAD interrupt request.
2. Channel scan single conversion mode
Channel scan single conversion mode can be specified by setting
ADMOD0<REPET, SCAN> to 01.
In this mode, conversion of the specified channel are executed once only. After
conversion is completed, ADMOD0<EOCF> is set to 1, ADMOD0<ADBF> is
cleared to 0 and occurs INTAD interrupt request.
3. Fixed channel repeat conversion mode
Fixed channel repeat conversion mode can be specified by setting
ADMOD0<REPET, SCAN> to 10.
In this mode, conversion of the specified single channel is executed repeatedly.
After conversion is completed, ADMOD0<EOCF> is set to 1, ADMOD0<ADBF>
remains 1 not changed to 0. The timing of INTAD interrupt request can selected
by setting of ADMOD0<ITM0>.
When <ITM0> is set to 0, interrupt request occurs after every conversion.
When <ITM0> is set to 1, interrupt request occurs after every fourth
conversion.
4. Channel scan repeat conversion mode
Channel scan repeat conversion mode can be specified by setting
ADMOD0<REPET, SCAN> to 11.
In this mode, specified channels are converted repeatedly. After every scan
convert completion, ADMOD0<EOCF> is set to 1 and INTAD interrupt request
occurs. ADMOD0<ADBF> remains 1, not changed to 0.
To stop the repeat conversion mode (3. and 4.), write 0 to ADMOD0<REPET>.
After the current conversion is completed, repeat conversion mode is terminated,
and ADMOD0<ADBF> is cleared to 0.
If the device enters the IDLE2, IDLE1 or STOP modes during AD conversion,
the conversion halt immediately. After the halt mode is released, AD conversion
restarts from the beginning in repeat conversion mode (3. and 4.), it does not
restart in single conversion mode (1. and 2.).



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