EM78P516NH datasheet(35/98 Pages) EMC

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EM78P516N

8-Bit Microcontroller

Product Specification (V1.0) 04.09.2015

•••• 29

(This specification is subject to change without prior notice)

6.1.23

Bank 1 RB, ADISR (ADC Input Channel and Internal

Reference Selection Register)

(Address: 0Bh)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

VREFS

VREF2

VREF1

VREF0

ADIS3

ADIS2

ADIS1

ADIS0

R/W

Bit 7 (VREFS): The input source of the Vref of the ADC

0: The Vref of the ADC is connected to internal reference voltage (default

value), and the P56/TCC/VREF pin carries out the function of P56/TCC.

: The Vref of the ADC is connected to P56/TCC/VREF

Bits 6~4 (VREF2~0): ADC internal reference voltage source

VREF[2:0]

ADC Internal Reference Voltage

000

VDD

001

4.0V ± 1%

010

3.0V ± 1%

011

2.5V ± 1%

1xx

2.0V ± 1%

Bits 3~0 (ADIS3~0): ADC input channel selection bits

ADIS[3:0]

Selected

Channel

ADIS[3:0]

Selected

Channel

0000

ADC0

1000

ADC8

0001

ADC1

1001

ADC9

0010

ADC2

1010

ADC10

0011

ADC3

1011

ADC11

0100

ADC4

1100

ADC12

0101

ADC5

1101

ADC13

0110

ADC6

1110

ADC14

0111

ADC7

1111

1/2 VDD PowerDet.

EM78P516NH Datasheet(PDF) 35 Page - ELAN Microelectronics Corp

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