Figure 16−1. oa block diagram – Texas Instruments MSP430x4xx User Manual

Page 310

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OA Introduction

16-3

OA

Figure 16−1. OA Block Diagram

OAPMx

OAPx

0

1

1

OAFBRx

A12 ext. (OA0)
A13 ext. (OA1)
A14 ext. (OA2)

OAADC0

4R

4R

2R

2R

R

R

R

R

OAxOUT

R

BOTTOM

RTOP

OAx

+

OAFCx={2 − 7}

OAFBRx > 0

OAADC1
OAFCx=0

OAFCx=1

R

BOTTOM

OAxTAP

OAFCx=6

OAxI0

OA0I1

Int. DAC12_0OUT

00

01

10

11

0

1

OANx=3

00

01

10

11

OAFCx

3

NA

000

001

100

011

010

111

110

101

000

001

100

011

010

111

110

101

3

OAPx=3

1

OAFCx={2,4,5,6}

1

1

OAFCx = {0,1,3}

OAFCx = 7

reserved

AVCC

reserved

OANx

00

01

10

11

OANx

00

01

10

11

OAxI0

OAxI1

unused

OAxOUT

unused

OANx = 0

A1 int./ext., OA0O (OA0)
A3 int./ext., OA1O (OA1)
A5 int./ext., OA2O (OA2)

A12 int. (OA0)
A13 int. (OA1)
A14 int. (OA2)

Int. DAC12_1OUT

OAxI0

OAxI1

Int. DAC12_0OUT

Int. DAC12_1OUT

OA1R

BOTTOM

(OA0)

OA2R

BOTTOM

(OA1)

OA0R

BOTTOM

(OA2)

OA1TAP (OA0)
OA2TAP (OA1)
OA0TAP (OA2)

0

1

OAADC1

OA2OUT (OA0)
OA0OUT (OA1)
OA1OUT (OA2)

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