Trigger
Busy flag
<ADBFN>
AD conversion result
register0(ADxREG0)
(ADxREG0)
AD conversion result
register1(ADxREG1)
(ADxREG1)
1st conversion
2nd conversion
Result of 1st conversion
Result of 2nd conversion
Delay time
from trigger
AD conversion time
Delay time
to the next
conversion
AD conversion time
(ADREG0)
(ADREG1)
Figure 16-2 Timing chart of AD conversion
Table 16-4 AD conversion time
and delay time
(SCLK = 40MHz, unit : μs)
fsys = 40MHz
Trigger
MIN
MAX
Delay time from trig-
ger (Note 1)
TMRB
0.225
0.5
Software, Constant
0.25
0.525
AD conversion time
−
1.85
Delay time to the next
conversion (Note2)
TMRB, Software,
Constant
0.175
0.425
Note 1: Delay time from trigger to start of AD conversion.
Note 2: Delay time to the 2nd or after conversion in plural conversions with one trigger.
16.5.3 AD Conversion Monitoring Function
The ADCs have the AD conversion monitoring function. When this function is enabled, an interrupt is gen-
erated when a conversion result matches the specified comparison value.
To enable the monitoring function, set ADCMPCR0<CMP0EN> or ADCMPCR1<CMP1EN> to "1". In
the monitoring function, if the value of AD conversion result register to which the monitoring function is as-
signed corresponds to the comparison condition specified by ADCM
P
CR
0
<ADBIG0>, the interrupt
(INTADCPA for ADCMPCR0, INTADCPB for ADCMPCR1) is generated. The comparison is executed at
the timing
of storing the conversion result into the register.
Note 1:
The AD conversion result store flag
<ADR0RF> to <ADR11RF>
are
not cleared by the comparison function.
Note 2:
The comparison function differs from reading the conversion result by software. Therefore, if the next con-
version is completed without reading the previous result, the overrun flag
<OVR0> to <OVR11> are
set.
TMPM3V6/M3V4
16. Analog/Digital Converter (ADC)
16.5 Operation Descriptions
Page 392
2019-02-06
Содержание TMPM3V4
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Страница 2: ... 2019 Toshiba Electronic Devices Storage Corporation ...
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Страница 52: ...TMPM3V6 M3V4 3 Processor Core 3 6 Exclusive access Page 30 2019 02 06 ...
Страница 148: ...TMPM3V6 M3V4 7 Exceptions 7 6 Exception Interrupt Related Registers Page 126 2019 02 06 ...
Страница 178: ...TMPM3V6 M3V4 9 Input Output port 9 2 Block Diagrams of Ports Page 156 2019 02 06 ...
Страница 206: ...TMPM3V6 M3V4 10 16 bit Timer Event Counters TMRB 10 7 Applications using the Capture Function Page 184 2019 02 06 ...
Страница 232: ...TMPM3V6 M3V4 11 Universal Asynchronous Receiver Transmitter Circuit UART 11 4 Operation Description Page 210 2019 02 06 ...
Страница 354: ...TMPM3V6 M3V4 14 Synchronous Serial Port SSP 14 6 Frame Format Page 332 2019 02 06 ...
Страница 419: ...TMPM3V6 M3V4 Page 397 2019 02 06 ...
Страница 420: ...TMPM3V6 M3V4 16 Analog Digital Converter ADC 16 6 Timing chart of AD conversion Page 398 2019 02 06 ...
Страница 462: ...TMPM3V6 M3V4 21 Watchdog Timer WDT 21 5 Control register Page 440 2019 02 06 ...
Страница 510: ...TMPM3V6 M3V4 22 Flash Memory Operation 22 4 Programming in the User Boot Mode Page 488 2019 02 06 ...
Страница 538: ...TMPM3V6 M3V4 25 Electrical Characteristics 25 7 Recommended Oscillation Circuit Page 516 2019 02 06 ...
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