Phytec phyCORE-PXA270, Hardware Manual

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Carrier Board phyCORE-PXA270
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PHYTEC Meßtechnik GmbH 2006 L-668e_1
REG ADDR D7-D4 D3 D2 D1 D0
CTRL2 0x04000004 Res Res LEDUSER LEDBUSY LEDRUN
RW
R/W=0 R/W=0 R/W R/W R/W
Signal
Name x/LED_USER x/LED_BUSY x/LED_RUN
Table 10: PLD U7 Control Register 2
LEDRUN Setting this bit will turn on user LED D12.
LEDBUSY Setting this bit will turn on user LED D15.
LEDUSER Setting this bit will turn on user LED D11.
The voltage settings and the adjustment of the TFT display can be
carried out in control register 3. The bit POS1 is connected to the R/L
signal of the display while POS2 is connected to the display's U/D
signal. The data line drivers can be switched to active with LCD_ON.
The supply voltage of the LCD is switched on with LCDPWR.
REG ADDR D7-D4 D3 D2 D1 D0
CTRL 3 0x04000006 Res POS1 POS2 LCDON LCDPWR
RW R/W=0 R/W R/W R/W R/W
Signal
Name L_POS1 L_POS2 /LCD_ON LCD_P_ON
Table 11: PLD U7 Control Register 3
POS1/POS2 The display adjustment is set here. The display can
be mirrored in the X direction as well as the Y
direction with these two bits. If both bits are
changed at the same time, then the image will be
rotated in an 180 degree angle.
LCDON With a "1" (high level) the driver circuits for the
LCD data and control bus are turned on.
LCDPWR Setting this bit turns on the supply voltage for the
TFT display.