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M16C/5L Group, M16C/56 Group
24.2.2
A/D Register i (ADi) (i = 0 to 7)
A/D Register i (i = 0 to 7)
(b15)
(b8)
b7
b0
b7
The A/D conversion result is stored in the ADi register corresponding to pins ANi, AN0_i, AN2_i, and
AN3_0 to AN3_2. Read the ADi register in 16-bit units. Table 24.4 lists Analog Pin and A/D Conversion
Result Storing Register.
Table 24.4
Analog Pin and A/D Conversion Result Storing Register
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Symbol
AD0
b0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
8 lower bits of A/D conversion result
2 upper bits of A/D conversion result
No register bits. If necessary, set to 0. The read value is 0.
Reserved bit
Analog Pin
AN0_0
AN2_0
AN0_1
AN2_1
AN0_2
AN2_2
AN0_3
AN2_3
AN0_4
AN2_4
AN0_5
AN2_5
AN0_6
AN2_6
AN0_7
AN2_7
Address
03C1h to 03C0h
0000 00XX XXXX XXXXb
03C3h to 03C2h
0000 00XX XXXX XXXXb
03C5h to 03C4h
0000 00XX XXXX XXXXb
03C7h to 03C6h
0000 00XX XXXX XXXXb
03C9h to 03C8h
0000 00XX XXXX XXXXb
03CBh to 03CAh
0000 00XX XXXX XXXXb
03CDh to 03CCh
0000 00XX XXXX XXXXb
03CFh to 03CEh
0000 00XX XXXX XXXXb
Function
The read value is 0.
A/D Conversion Result Storing
AN3_0
AN3_1
AN3_2
—
—
—
—
—
24. A/D Converter
Reset Value
RW
RO
RO
—
RO
Register
AD0 register
AD1 register
AD2 register
AD3 register
AD4 register
AD5 register
AD6 register
AD7 register
Page 620 of 803
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