M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 243

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

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R
15.1 Operating Modes
1
e
E
Table 15.3 One-shot Mode Specifications
Figure 15.6 Operation Example in One-Shot Mode
. v
6
J
15.1.1 One-Shot Mode
A/D Conversion Start
Condition
A/D Conversion Stop
Condition
Interrupt Request Generation Timing A/D conversion completed
0
C
Function
Analog Input Pin
Readout of A/D Conversion Result
2
9
In one-shot mode, analog voltage applied to a selected pin is once converted to a digital code. Table 15.3
shows the one-shot mode specifications. Figure 15.6 shows the operation example in one-shot mode.
Figure 15.7 shows the ADCON0 to ADCON2 registers in one-shot mode.
2 /
0 .
B
0
8
0
AN
AN
AN
AN
AN
AN
AN
AN
0
G
4
J
•Example when selecting AN
7
a
o r
0
1
2
3
4
5
6
7
0 -
. n
u
Item
2
A/D conversion started
p
3
0
, 1
0
(
M
2
1
0
0
6
7
C
2 /
page 223
, 8
A/D interrupt request generated
M
1
6
The CH2 to CH0 bits in the ADCON0 register and the ADGSEL1 to
ADGSEL0 bits in the ADCON2 register select pins. Analog voltage applied to
a selected pin is once converted to a digital code
• When the TRG bit in the ADCON0 register is “0” (software trigger)
• When the TRG bit in the ADCON0 register is “1” (hardware trigger)
• A/D conversion completed (If a software trigger is selected, the ADST bit is
• Set the ADST bit to “0”
Select one pin from AN
Readout one of the AD0 to AD7 registers that corresponds to the selected pin
C
The AD
ADST bit to “1” (A/D conversion started)
Set the ADST bit in the ADCON0 register to “1” (A/D conversion started)
set to “0” (A/D conversion halted)).
2 /
f o
8
3
) B
8
5
TRG
2
to an analog input pin (Ch2 to CH0="010
pin input changes state from “H” to “L” after setting the
0
to AN
Specification
7
, AN0
0
to AN0
7
, AN2
0
to AN2
2
A/D pin input voltage
sampling
A/D pin conversion
")
7
15. A/D Converter