參數(shù)資料
型號： M30240MC-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, MICROCONTROLLER, PQFP80
封裝： 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù)： 11/125頁
文件大?。?/td> 753K
代理商： M30240MC-XXXFP
CONFIDENTIAL
110
Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
A-D Converter
(4) Repeat sweep mode 0
In repeat sweep mode 0, the pins selected using the A-D sweep pin select bit are used for repeat
sweep A-D conversion. Table 34 shows the specifications of repeat sweep mode 0. Figure 104 shows
the A-D control register in repeat sweep mode 0.
Figure 104:
A-D conversion register in repeat sweep mode 0
Table 34:
Repeat sweep mode 0 specications
Item
Specication
Function
The pins selected by the A-D sweep pin select bit are used for repeat sweep A-D
conversion
Start condition
Writing “1” to A-D conversion start ag
Stop condition
Writing “0” to A-D conversion start ag
Interrupt request generation timing
None generated
Input pin
AN0 and AN1 (2 pins), AN0 to AN3 (4 pins), AN0 to AN5 (6 pins), or AN0 to AN7
(8 pins)
Reading of result of A-D converter
Read A-D register corresponding to selected pin (at any time)
A-D control register 0 (Note)
Symbol
Address
When reset
ADCON0
03D616
00000XXX 2
b7
b6
b5
b4
b3
b2
b1
b0
Analog input pin
select bit
CH0
Bit symbol
Bit name
Function
CH1
CH2
A-D operation mode
select bit 0
1 1 : Repeat sweep mode 0
MD0
MD1
Trigger select bit
0 : Software trigger
1 : ADTRG trigger
TRG
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
0 : Any mode other than repeat sweep mode 1
A-D operation mode
select bit 1
1 : Vref connected
W
R
1
Invalid in repeat sweep mode 0
0
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result
is indeterminate.
b4 b3
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
1
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
Reserved bit
Always set to
“0”
Reserved bit
Always set to
“0”
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