EM78M611E
Universal Serial Bus Series Microcontroller
30
••••
Product Specification (V1.1) 11.22.2006
(This specification is subject to change without further notice)
ERA [0~4]: AD Channel Selector
AD4
AD3
AD2
AD1
AD0
Channel
I/O Port
0
0
0
0
0
0
P50
0
0
0
0
1
1
P51
0
0
0
1
0
2
P52
0
0
0
1
1
3
P53
0
0
1
0
0
4
P54
0
0
1
0
1
5
P55
0
0
1
1
0
6
P56
0
0
1
1
1
7
P57
0
1
0
0
0
8
P80
0
1
0
0
1
9
P81
0
1
0
1
0
10
P82
0
1
0
1
1
11
P83
0
1
1
0
0
12
P84
0
1
1
0
1
13
P85
0
1
1
1
0
14
P86
0
1
1
1
1
15
P87
1
0
0
0
0
16
P60
1
0
0
0
1
17
P61
1
0
0
1
0
18
P62
1
0
0
1
1
19
P63
1
0
1
0
0
20
P64
1
0
1
0
1
21
P65
1
0
1
1
0
22
P66
1
0
1
1
1
23
P67
ERA [7] AD Converter ready flag
0
1
: Start AD Conversion (set by firmware).
1
0
: When AD conversion is finished and has moved digital data into the AD
Data Register, this bit will be set by hardware.
NOTE
Hardware can enable this function only at AD Channel Select of the functional I/O port.
After a power-on reset, the initial value of this register is 0b0001_1111.
ERB (AD LSB Data Register)
Default Value: (0B_0000_0000)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 1
Bit 0
0
0
0
0
0
0
8 bits AD LSB Digital Data