PAS5101PE Specification
Figure 3.2 Companding curves program by Compand_EnH and Compand_Sel
3.4. Power Down Mode
The PAS5101PE can be power down by setting register “SW_PwrDn” or by enable PWDN pin.
PAS5101PE supports two power down modes :
z
Software Power Down : Set register “SW_PwrDn” = 0x01 to power down all the internal
block except I2CTM
.
z
Hardware Power Down : Pull PWDN pin to high to power down the chip. The chip will go
into standby mode.
3.5. Reset Mode
The PAS5101PE can be reset by setting “SW_Reset” or by enable Reset pin. PAS5101PE supports two
reset modes :
z
Software Reset : Set register “SW_Reset” = 0x01 to reset all the I2CTM registers. It’s only
reset the register value not reset full chip.
z
HardwareReset : Pull Reset pin to high to reset the full chip.
3.6. Window-of-Interest ( WOI )
Users are allowed to define window size as well as window location in PAS5101PE. The location of
window can be anywhere in the pixel array. Window size and window location is defined by register
“H_Start”, “V_Start”, “V_Size” and “H_Size”; The “H_Start” defines the starting column while
“V_Start” defines the starting rom of the window; The “H_Size” define the column width of the window
and “V_Size” defines the row depth of the window.
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PixArt Imaging Inc.
7
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v1.0 2005/4/27
PIXART [ PIXART IMAGING INC. ]
