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5CL8
17.3 Function
17.3.1 Software Start Mode
After setting ADCCR1<AMD> to “01” (software start mode), set ADCCR1<ADRS> to “1”. AD conver-
sion of the voltage at the analog input pin specified by ADCCR1<SAIN> is thereby started.
After completion of the AD conversion, the conversion result is stored in AD converted value registers
(ADCDR1, ADCDR2) and at the same time ADCDR2<EOCF> is set to 1, the AD conversion finished inter-
rupt (INTADC) is generated.
ADRS is automatically cleared after AD conversion has started. Do not set ADCCR1<ADRS> newly again
(Restart) during AD conversion. Before setting ADRS newly again, check ADCDR2<EOCF> to see that the
conversion is completed or wait until the interrupt signal (INTADC) is generated (e.g., interrupt handling rou-
tine).
Figure 17-2 Software Start Mode
17.3.2 Repeat Mode
AD conversion of the voltage at the analog input pin specified by ADCCR1<SAIN> is performed repeatedly.
In this mode, AD conversion is started by setting ADCCR1<ADRS> to “1” after setting ADCCR1<AMD> to
“11” (Repeat mode).
After completion of the AD conversion, the conversion result is stored in AD converted value registers
(ADCDR1, ADCDR2) and at the same time ADCDR2<EOCF> is set to 1, the AD conversion finished inter-
rupt (INTADC) is generated.
In repeat mode, each time one AD conversion is completed, the next AD conversion is started. To stop AD
conversion, set ADCCR1<AMD> to “00” (Disable mode) by writing 0s. The AD convert operation is stopped
immediately. The converted value at this time is not stored in the AD converted value register.
ADCDR1 status
EOCF cleared by reading
conversion result
Conversion result
read
ADCDR2<EOCF>
INTADC interrupt request
ADCDR2<ADBF>
ADCCR1<ADRS>
1st conversion result
2nd conversion result
Indeterminate
AD conversion start
AD conversion start
ADCDR1
ADCDR2
Conversion result
read
Conversion result
read
Conversion result
read
Содержание CEM2100/00
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Страница 19: ...PCB LAYOUT SD BOARD TOP SIDE VIEW ...
Страница 20: ...20 PCB LAYOUT CD CONNECTOR TOP SIDE VIEW ...
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Страница 130: ...Page 8 1 4 Pin Names and Functions T5CL8 ...
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Страница 156: ...Page 34 2 Operational Description 2 3 Reset Circuit T5CL8 ...
Страница 186: ...Page 64 5 I O Ports 5 8 Port P7 P77 to P70 T5CL8 ...
Страница 194: ...Page 72 6 Watchdog Timer WDT 6 3 Address Trap T5CL8 ...
Страница 214: ...Page 92 8 16 Bit TimerCounter 1 TC1 8 3 Function T5CL8 ...
Страница 270: ...Page 148 12 Asynchronous Serial interface UART1 12 9 Status Flag T5CL8 ...
Страница 280: ...Page 158 13 Asynchronous Serial interface UART2 13 9 Status Flag T5CL8 ...
Страница 332: ...Page 210 16 Serial Bus Interface I2C Bus Ver D SBI 16 6 Data Transfer of I2C Bus T5CL8 ...
Страница 342: ...Page 220 17 10 bit AD Converter ADC 17 6 Precautions about AD Converter T5CL8 ...
Страница 354: ...Page 232 19 Flash Memory 19 4 Access to the Flash Memory Area T5CL8 ...
Страница 388: ...Page 266 21 Input Output Circuit 21 2 Input Output Ports T5CL8 ...
Страница 397: ...Page 275 T5CL8 23 Package Dimensions LQFP64 P 1010 0 50D Rev 01 Unit mm ...
Страница 398: ...Page 276 23 Package Dimensions T5CL8 ...
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