M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
A-D Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 1 (AD1) [Address 00EC16
]
B
Name
Functions
After reset R W
0
to
2
Analog input pin selection
bits
(ADC10 to ADC12)
b2 b1 b0
0
R W
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0 : AD1
1 : AD2
0 : AD3
1 : AD4
0 : AD5
1 : AD6
0 : AD7
1 : AD8
3
4
This bit is a write disable bit.
When this bit is read out, the value is “0.”
0
—
R
0: Input voltage < reference voltage
1: Input voltage > reference voltage
Storage bit of comparison
result (ADC14)
R —
Indeterminate
0
5
to
7
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
—
R
Fig. 8.8.2 A-D Control Register 1
A-D Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 2 (AD2) [Address 00ED16
]
B
Name
Functions
After reset
0
R
R
W
W
b6 b5 b4 b3 b2 b1 b0
0
to
6
D-A converter set bits
(ADC20 to ADC25)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
: 1/256Vcc
: 3/256Vcc
: 5/256Vcc
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
: 251/256Vcc
: 253/256Vcc
: 255/256Vcc
Nothing is assigned. This bit is a write disable bit.
0
R
—
7
When these bits are reed out, the values are “ 0.”
Fig. 8.8.3 A-D Control Register 2
Rev.1.00 2003.11.25 page 48 of 128
RENESAS [ RENESAS TECHNOLOGY CORP ]
