參數(shù)資料
型號： M30201F2-FP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封裝： PLASTIC, QFP-56
文件頁數(shù)： 154/158頁
文件大小： 1633K
代理商： M30201F2-FP
95
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
A-D Converter
(3) Single sweep mode
In single sweep mode, the pins selected using the A-D sweep pin select bit are used for one-by-one A-D
conversion. (See Table 1.33.) Figure 1.87 shows the A-D control register in single sweep mode.
Figure 1.87. A-D conversion register in single sweep mode
Item
Specification
Function
The pins selected by the A-D sweep pin select bit are used for one-by-one A-D conversion
Start condition
Writing “1” to A-D converter start flag
Stop condition
End of A-D conversion (A-D conversion start flag changes to “0”.)
Writing “0” to A-D conversion start flag
Interrupt request generation timing
End of A-D conversion
Input pin
AN0 and AN1 (2 pins), AN0 to AN3 (4 pins), AN0 to AN5 (6 pins), or AN0 to AN7 (8 pins)(Note)
Reading of result of A-D converter
Read A-D register corresponding to selected pin
Note : AN50 to AN54 can be used in the same way as for AN0 to AN4.
A-D control register 0 (Note)
Symbol
Address
When reset
ADCON0
03D616
00000XXX2
b7
b6
b5
b4
b3 b2
b1 b0
Analog input pin select bit
Invalid in single sweep mode
CH0
Bit symbol
Bit name
Function
CH1
CH2
A-D operation mode
select bit 0
1 0 : Single sweep mode
MD0
MD1
ADST
A-D conversion start flag
0 : A-D conversion disabled
1 : A-D conversion started
Frequency select bit 0
0 : fAD/4 is selected
1 : fAD/2 is selected
CKS0
W
R
A-D control register 1 (Note 1)
Symbol
Address
When reset
ADCON1
03D716
0016
Bit name
Function
Bit symbol
b7
b6
b5
b4
b3 b2
b1
b0
A-D sweep pin select bit
SCAN0
SCAN1
MD2
BITS
8/10-bit mode select bit
0 : 8-bit mode
1 : 10-bit mode
VCUT
Vref connect bit
ADGSEL0
A-D operation mode
select bit 1
1 : Vref connected
A-D input group select bit
W
R
b4 b3
0 : Port P6 group is selected
1 : Port P5 group is selected
Note: If the A-D control register is rewritten during A-D conversion, the conversion result is indeterminate.
Frequency select bit 1
0 : fAD/2 or fAD/4 is selected
1 : fAD is selected
CKS1
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is indeterminate.
Note 2: AN50 to AN54 can be used in the same way as for AN0 to AN4.
Note 3: If port P5 group is selected, do not select 6 pins and 8 pins sweep mode.
0
Set this bit to “0”.
0
Set this bit to “0”.
10
0
1
When single sweep and repeat sweep
mode 0 are selected
0 0 : AN0, AN1 (2 pins)
0 1 : AN0 to AN3 (4 pins)
1 0 : AN0 to AN5 (6 pins)
1 1 : AN0 to AN7 (8 pins)
b1 b0
(Note 2, 3)
Set this bit to “0” in this mode.
Table 1.33. Single sweep mode specifications
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