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Table 7 Sync signal specification

From: Power-optimized log-based image processing system

Signals

Values

‘0’

‘1’

Rst

Normal mode

Resets and Initialize memory

M_cntrl

Sync to Address controller

Sync to R/W control

D_active

Resets DWT-SPIHT and switch to Input mode

Activates DWT. Sequentially control R/W sync and initiates SPIHT

ID_active

Resets IDWT-ISPIHT and switch to input mode

Activates ISPIHT. Sequentially control R/W sync and initiates IDWT

V_contl

Stand by VGA process

Activates VGA Process and VGA CLK