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Configuration, Bsrr bsd0/ bsd1/ bsdc, Bit search – FUJITSU MB91460 SERIES FR60 User Manual

Page 404: Bsrr

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Chapter 28 Bit Search

3.Configuration

3. Configuration

Figure 3-1 Configuration Diagram

Figure 3-2 List of Registers

BSRR

BSD0/ BSD1/ BSDC

0-/1-/Changing-position-detection
data register

Bit search

Detection circuit

(0-/1-/Changing-positions)

BSRR

Detection result

Lowest four bits

of the address

Operation selection

for BSD0/BSD1/BSDC

0000

0100

1000

0-detection

1-detection

Changing-position-detection

Detection mode selection

Address decoder

Run only

Write only

Detection data (BSD1)

Bit search