Overview Of The Bit Search Module; Figure 13.1-1 Bit Search Module Registers; Figure 13.1-2 Block Diagram Of The Bit Search Module - Fujitsu MB91F109 FR30 Hardware Manual

CHAPTER 13 BIT SEARCH MODULE

13.1 Overview of the Bit Search Module

The bit search module searches the data written to the input register for 0, 1, or a change
point, and returns the detected bit position.
Bit Search Module Registers
Figure 13.1-1 shows the bit search module registers.
Address: 000003F0
Address: 000003F4
Address: 000003F8
Address: 000003FC
Block Diagram of Bit Search Module
Figure 13.1-2 is a block diagram of the bit search module.
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Figure 13.1-1 Bit Search Module Registers

31
BSD0
H
BSD1
H
BSDC
H
BSRR
H

Figure 13.1-2 Block Diagram of the Bit Search Module

D-BUS
Address
decoder
0
0-detection data register
1-detection data register
Change-point detection data register
Detection result register
Input latch
Detection
mode
1-detection data
Bit search circuit
Search result