4 sampling timer setting register (adct) – FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 44 A/D Converter
3.Registers of A/D Converter
2-bit. The register values are updated at the completion of each conversion. The registers normally store the
results of the previous conversion.
■
Data register (ADCR1, ADCR0)
• ADCR1 (ADC0): Address 01A6h (Access:
Word, Half-word, Byte
)
Meaning of Bit Attribute Symbols (Page No.10)
” for details of the attributes.)
• ADCR0 (ADC0): Address 01A7h (Access:
Word, Half-word, Byte
)
Meaning of Bit Attribute Symbols (Page No.10)
” for details of the attributes.)
Bit 15 to 10 of ADCR1 are read as "0".
The A/D converter has a conversion data protection function. See the "Operation" section for further
information.
3.4 Sampling Timer Setting Register (ADCT)
ADCT register controls the sampling time and conversion time of analog input. This register sets A/D conversion
time. Do not update value of this register during A/D conversion operation.
■
Sampling timer setting register (ADCT)
• ADCT1 (ADC0): Address 01A8h (Access:
Word, Half-word, Byte
)
Meaning of Bit Attribute Symbols (Page No.10)
” for details of the attributes.)
• ADCT0 (ADC0): Address 01A9h (Access:
Word, Half-word, Byte
)
Meaning of Bit Attribute Symbols (Page No.10)
” for details of the attributes.)
[bit 15 to 10] CT5-0 (A/D conversion time set)
These bits specify clock division of conversion time.
Setting "000001" means one division (=CLKP).
Do not set these bits "000000".
Initialized these bits to "000100" by reset.
15
14
13
12
11
10
9
8
Bit
-
-
-
-
-
-
D9
D8
-
-
-
-
-
-
X
X
Initial
value
RX, W0
RX, W0
RX, W0
RX, W0
RX, W0
RX, W0
R
R
Attribute
7
6
5
4
3
2
1
0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
X
X
X
X
Initial
value
R
R
R
R
R
R
R
R
Attribute
15
14
13
12
11
10
9
8
Bit
CT5
CT4
CT3
CT2
CT1
CT0
ST9
ST8
0
0
0
1
0
0
0
0
Initial
value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Attribute
7
6
5
4
3
2
1
0
Bit
ST7
ST6
ST5
ST4
ST3
ST2
ST1
ST0
0
0
1
0
1
1
0
0
Initial
value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Attribute