參數(shù)資料
型號: M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機(jī)
文件頁數(shù): 113/142頁
文件大?。?/td> 1637K
代理商: M30240S9-XXXFP
1-113
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
A-D Converter
2.24.4 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 1.35 shows the specifications of repeat sweep mode 0. Figure 1.103
shows the A-D control register in repeat sweep mode 0.
Figure 1.103: A-D conversion register in repeat sweep mode 0
Table 1.35:
Repeat sweep mode 0 specifications
Item
Specification
Function
The pins selected by the A-D sweep pin select bit are used for repeat sweep A-D
conversion
Writing “1” to A-D conversion start flag
Start condition
Stop condition
Writing “0” to A-D conversion start flag
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)
Read A-D register corresponding to selected pin (at any time)
Reading of result of A-D converter
A-D control register 0 (Note)
Symbol
ADCON0
Address
03D6
16
When reset
00000XXX
2
b7
b6
b5
b4
1 1
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 : AD
TRG
trigger
0 : A-D conversion disabled
1 : A-D conversion started
0 : f
AD
/4 is selected
1 : f
AD
/2 is selected
TRG
ADST
A-D conversion start flag
Frequency select bit 0
CKS0
W
R
A-D control register 1 (Note)
Symbol
ADCON1
Address
03D7
16
When reset
00
16
Bit name
Function
Bit symbol
b7
0 0
b6
b5
1
b4
b3
b2
0
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
0 : f
AD
/2 or f
AD
/4 is selected
1 : f
AD
is selected
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
Invalid in repeat sweep mode 0
Note: 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 : AN
0
, AN
1
(2 pins)
0 1 : AN
0
to AN
3
(4 pins)
0
5
1 0 : AN
0
to AN
7
(6 pins)
Note: If the A-D control register is rewritten during A-D conversion, the conversion result
is indeterminate.
Frequency select bit 1
CKS1
Reserved bit
Always set to "0"
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