M30622ECTFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622ECTFP Datasheet - Page 150
M30622ECTFP
Manufacturer Part Number
M30622ECTFP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M30622ECTFP.pdf
(184 pages)
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A-D Converter
Table 1.20.2. One-shot mode specifications
Note 1: AN
Figure 1.20.4. A-D conversion register in one-shot mode
(1) One-shot mode
Function
Start condition
Stop condition
Interrupt request generation timing End of A-D conversion
Input pin
Reading of result of A-D converter
In one-shot mode, the pin selected using the analog input pin select bit is used for one-shot A-D conver-
sion. Table 1.20.2 shows the specifications of one-shot mode. Figure 1.20.4 shows the A-D control regis-
ter in one-shot mode.
Tentative Specifications REV.A
S
00
pecifications in this manual are tentative and subject to change.
Item
A-D control register 0 (Note 1)
A-D control register 1 (Note 1)
b7
to AN
b7
b6
b6
b5
b5
1
07
b4
0 0
b4
, and AN
b3
b3
b2
b2
0
b1
b1
The pin selected by the analog input pin select bit is used for one A-D conversion
Writing “1” to A-D conversion start flag
• End of A-D conversion (A-D conversion start flag changes to “0”, except
• Writing “0” to A-D conversion start flag
One of AN
Read A-D register corresponding to selected pin
when external trigger is selected)
20
b0
b0
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion
Note 2: AN
Note 3: When changing A-D operation mode, set analog input pin again.
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion
Note 2: Divide the frequency if f(X
to AN
Bit symbol
Bit symbol
SCAN0
SCAN1
ADST
CKS0
CKS1
VCUT
OPA0
OPA1
CH0
CH1
CH2
TRG
BITS
MD0
MD1
MD2
Symbol
ADCON0
Symbol
ADCON1
result is indeterminate.
27
result is indeterminate.
equal to 10MHz.
0
to AN
00
can be used the same as AN
to AN
Analog input pin
select bit
A-D operation mode
select bit 0
8/10-bit mode select bit
Frequency select bit 1
Vref connect bit
Trigger select bit
A-D conversion start flag
Frequency select bit 0
A-D sweep pin select bit
A-D operation mode
select bit 1
External op-amp
connection mode bit
7
07
, as selected
Bit name
, and AN
Bit name
150
Address
Address
03D6
03D7
(Note 2)
20
16
16
to AN
IN
Specification
) exceeds 10MHz, and make
0 : Any mode other than repeat sweep mode 1
0 0 : ANEX0 and ANEX1 are not used
0 1 : ANEX0 input is A-D converted
1 0 : ANEX1 input is A-D converted
1 1 : External op-amp connection mode
Invalid in one-shot mode
0 : 8-bit mode
1 : 10-bit mode
0 : f
1 : f
1 : Vref connected
b7 b6
27
00000XXX
When reset
When reset
0 0 0 : AN
0 0 1 : AN
0 1 0 : AN
0 1 1 : AN
1 0 0 : AN
1 0 1 : AN
1 1 0 : AN
1 1 1 : AN
b4 b3
0 0 : One-shot mode
0 : Software trigger
1 : AD
0 : A-D conversion disabled
1 : A-D conversion started
0 : f
1 : f
b2 b1 b0
can be used the same as AN
AD
AD
00
(Note 1)
AD
AD
/2 or f
is selected
16
/4 is selected
/2 is selected
TRG
0
1
2
3
4
5
6
7
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
trigger
AD
2
is selected
is selected
is selected
is selected
is selected
is selected
is selected
is selected
0
/4 is selected
to AN
Function
Function
7
.
AD
Mitsubishi microcomputers
frequency
0
(Note 3)
(Note 3)
(Note 2)
to AN
M16C / 62T Group
7
.
R
R
W
W
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