DS07-16301-4E Datasheet, PDF (49/99 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91101/MB91101A
7. Bit Search Module
The bit search module detects transitions of data (0 to 1/1 to 0) on the data written on the input registers and
returns locations of the transitions.
• Block diagram
Input latch
Address
decoder
Detection
mode
Single-detection data recovery
• Register configuration
Address _{bit 31}
000003F0H
000003F1H
000003F2H
000003F3H
000003F4H
000003F5H
000003F6H
000003F7H
000003F8H
000003F9H
000003FAH
000003FBH
000003FCH
000003FEH
000003FDH
000003FFH
( ) :Access
R/W :Readable and writable
R :Read only
W :Write only
X :Indeterminate
bit 16
BSD0
BSD1
BSDC
BSRR
Bit search circuit
Search result
bit 0
Initial value
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
(W)
(R/W)
(W)
(R)
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