CXD3508ATQ
PCI, PCO
These pins control to turn power on/off of the ACX704AKM and the CXD3519TQ when the LCD is turned
on/off.
Connect PCO to DC-DC converter that can control power on/off of the ACX704AKM and the CXD3519TQ.
• When LCD is on, effective screen is displayed after entire white display (2 fields).
• When LCD is off, LCD is off after entire white display.
Power On Sequence
VDD
CLR
PCI
PCO
Pulse∗
DATA (out)
MCK
Hsync
Vsync
DENB
DATA (in)
Inactive (low)
Inactive (low)
Inactive (low)
Inactive (low)
Invalid (low)
Active
Active
Active
White Data
2 Fields
Valid
1 Field (typ.) 288H (min.)
Power Off Sequence (Standby)
PCI
PCO
VDD
DATA
Pulse∗
Active (high)
Valid
Valid
Active (high)
Inactive (low)
White Data
VDD
0
VDD
0
Valid
Standby Mode
Inactive (low)
VDD
0
Invalid (all low)
Invalid (all low)
Vsync
DENB
3 Fields
10 Fields
∗ HST1, HST2, XHST1, XHST2, HCK1, HCK2, XHCK1, XHCK2, VST, XVST, VCK, XVCK,
ENB. XENB, OE1, XOE1, OE2, XOE2, FRP
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