Confidential
Until : Indefinite
Specifications
MN34120PAJ
Total Page
Page
96
47
2015/10/01
Generalplus Technology Inc.
Enactment Revision
Panasonic Semiconductor Solutions Co., Ltd.
■
Return sequence from Power save 3-1
Return sequence from power save 3-1 to normal is as follows.
The initialize sequences except the power supply turning on and the PSV pin setting is necessary.
(1) MCLK Input
PSV pin: ”H”
⇒
”L”
PSV cancel waiting : 10T
@
MCLK
(2) PSV pin: ”L”
⇒
”H”
(3) PLLREG register writing
PLL oscillation stability waiting.
(4) CKG reset register (0x0000[4]) writing: ”L”
⇒
”H”
(5) Registers other than PLLREG register writing.
Up/Down converter circuit stability waiting.
(6) TG reset register (0x0000[8]) writing: ”L”
⇒
”H”
- HD input beginning
- VD input timing waiting (wait over 5HD-input)
(7) VD/HD Input
External pin
PSV
MCLK
SCK
SI
SCS
VD
HD
LVDS
Internal signal (Register)
Power save register
CKG-Reset register
TG-Reset register
10T@MCLK
Tpll
HD input
Tvchp
Tpulvds
Don't care(High/Low)
Don't care(High/Low)
(3)
Blanking
(1)
(4)
(5)
(6)
(7)
4'b0001
4'b0011
Don't care(High/Low)
(2)
Figure 1.6.3.3-5 Timing chart of return sequence from Power save 3-1 to normal