Page 212
17. 10-bit AD Converter (ADC)
17.2 Register configuration
T
5CL8
17.2 Register configuration
The AD converter consists of the following four registers:
1. AD converter control register 1 (ADCCR1)
This register selects the analog channels and operation mode (Software start or repeat) in which to per-
form AD conversion and controls the AD converter as it starts operating.
2. AD converter control register 2 (ADCCR2)
This register selects the AD conversion time and controls the connection of the DA converter (Ladder
resistor network).
3. AD converted value register 1 (ADCDR1)
This register used to store the digital value fter being converted by the AD converter.
4. AD converted value register 2 (ADCDR2)
This register monitors the operating status of the AD converter.
Note 1: Select analog input channel during AD converter stops (ADCDR2<ADBF> = "0").
Note 2: When the analog input channel is all use disabling, the ADCCR1<AINDS> should be set to "1".
Note 3: During conversion, Do not perform port output instruction to maintain a precision for all of the pins because analog input
port use as general input port. And for port near to analog input, Do not input intense signaling of change.
Note 4: The ADCCR1<ADRS> is automatically cleared to "0" after starting conversion.
Note 5: Do not set ADCCR1<ADRS> newly again during AD conversion. Before setting ADCCR1<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 routine).
Note 6: After STOP or SLOW/SLEEP mode are started, AD converter control register1 (ADCCR1) is all initialized and no data can
be written in this register. Therfore, to use AD converter again, set the ADCCR1 newly after returning to NORMAL1 or
NORMAL2 mode.
AD Converter Control Register 1
ADCCR1
(001CH)
7
6
5
4
3
2
1
0
ADRS
AMD
AINDS
SAIN
(Initial value: 0001 0000)
ADRS
AD conversion start
0:
1:
-
AD conversion start
R/W
AMD
AD operating mode
00:
01:
10:
11:
AD operation disable
Software start mode
Reserved
Repeat mode
AINDS
Analog input control
0:
1:
Analog input enable
Analog input disable
SAIN
Analog input channel select
0000:
0001:
0010:
0011:
0100:
0101:
0110:
0111:
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
AIN10
AIN11
AIN12
AIN13
AIN14
AIN15
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 126: ...Page 4 1 3 Block Diagram T5CL8 1 3 Block Diagram Figure 1 2 Block Diagram ...
Страница 130: ...Page 8 1 4 Pin Names and Functions T5CL8 ...
Страница 155: ...Page 33 T5CL8 ...
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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Страница 428: ...TC94B14MFG 2010 01 12 28 Package LQFP80 P 1212 0 50F Weight 0 6 g Typical ...