Bit Search Module - Fujitsu MB91260B Series Hardware Manual

7.4

Bit Search Module

The bit search module searches for "0", "1", or any points of change for data written to
the input register and then returns the detected bit locations.
■ Register List
Figure 7.4-1 shows the register list for bit search module.
Address
000003F0
H
000003F4
H
000003F8
H
000003FC
H
■ Block Diagram
D-bus
Figure 7.4-1 Register List
31
BSD0
BSD1
BSDC
BSSR
Figure 7.4-2 Block Diagram
Address
decoder
CHAPTER 7 REALOS-RELATED HARDWARE
0
0 detection data register
1 detection data register
Change point detection data register
Detection result register
Input latch
Detection
mode
1 detection data coding
Bit search circuit
Detection result
145