参数资料
型号: TMP86C847UG
厂商: Toshiba Corporation
英文描述: Zener Diode; Application: General; Pd (mW): 500; Vz (V): 15.7 to 16.5; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35
中文描述: 8位微控制器
文件页数: 138/160页
文件大小: 1541K
代理商: TMP86C847UG
Page 130
12. 10-bit AD Converter (ADC)
12.2 Register configuration
TMP86C847UG
12.2 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
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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