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2 block diagram of 8-/10-bit a/d converter, Block diagram of 8-/10-bit a/d converter – FUJITSU F2MCTM-16LX User Manual

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CHAPTER 18 8-/10-BIT A/D CONVERTER

18.2

Block Diagram of 8-/10-bit A/D Converter

The 8-/10-bit A/D converter consists of following blocks.

Block Diagram of 8-/10-bit A/D Converter

Figure 18.2-1 Block Diagram of 8-/10-bit A/D Converter

INTE

INT

PAUS STS1 STS0 STRT

BUSY

MD0

MD1

ANS2 ANS1 ANS0

ANE2 ANE1

ANS3

ANE3

ANE0

AVR

AVcc
AVss

AN0 to AN7

AN15 to AN8

ADTG

D9

D8

D5

D6

D4

D3

D2

D1

D0

D7

ST0

ST1

CT1

ST2

CT2

CT0

S10

2

8

2

3

3

: Undefined

Reserved : Always set to 0.

: Machine clock

Re-

served

Re-

served

A/D setting
register
(ADSR0/
ADSR1)

Decoder

A/D data
register
(ADCR0/
ADCR1)

D/A converter

Internal data bus

Control circuit

Comparator

Sample &
hold circuit

Analog
channel
selector

Pin

Starting
selector

Software
starting

Interrupt request output

A/D control
status
register
(ADCS0/
ADCS1)

Re-

served