Bridgetek FT801 - Page 76

FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
76
Product Page
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Register Definition 66 REG_SCREENSHOT_READ Definition
Reserved R/W
31 1 0
Address: 0x102554
Reset Value: 0x0
Bit 0 : Set this bit to enable the readout of screenshot of selected Y line.
Bit 1~31: Reserved.
REG_SCREENSHOT_READ Definition
Note: After the REG_SCREENSHOT_BUSY register is clear, this register is required to
set before reading out the screenshot of selected Y lines. The screenshot resides in
RAM_SCREENSHOT and the format of each pixel is in 32 bit BGRA format: Blue channel is in
lowest address and Alpha is in highest address.
Register Definition 67 REG_SCREENSHOT_BUSY Definition
63 0
Address: 0x1024D8 Reset Value: 0x0
Read Only
Bit 0～63: Screen shot busy flag. Any non-zero value in these 64 bits represents the busy
status of screen shot. Zero value in these 64 bits represents the screen shot is done.
REG_SCREENSHOT_BUSY Definition
Note: After the screen shot is started, host shall read this register to determine
when the screen shot is complete.