Power supply setting sequence, Power supply on sequence – Renesas R61509V User Manual

Page 159

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R61509V

Target

Spec

Rev. 0.11 April 25, 2008, page 159 of 181

Power Supply Setting Sequence

The following are the sequences for setting power supply ON/OFF instructions. Set power supply ON/OFF
instructions according to the following sequences in Display ON/OFF, Sleep set/exit sequences.

㪭㪚㪚

㪠㪦㪭㪚㪚

㪭㪚㪠

㪞㪥㪛





Power Supply ON Sequence

Notes: 1. Set VCMR to 1 when using internal electric volume.
2. When NVM is in the status that the R61509V is shipped out, set the instruction register (R280h: VCM[6:0], and
UID[7:0]). If writing values to VCM[6:0] and UID[7:0] has been completed, setting this instruction register is
unnecessary.

(A) Liquid crystal
power supply OFF
(DCDC OFF) state
Display OFF state

(B) Liquid crystal
power supply ON
(DCDC ON) state
Display OFF state

OR

R102h: PSON=1, PON=1

Power ON reset

Transfer synchronization

1ms
or more

Power supply (VCC, VCI, IOVCC) ON

VCC → IOVCC → VCI
or VCC, IOVCC, VCI simultaneously

Display ON sequence

NVM erase sequence

Instruction user setting
R400h: NL[5:0]
R008h: BP[7:0], FP[7:0]
R300h~R309h: γ control
R010h: RTNI[4:0], DIVI[1:0]
R100h: BT[2:0], AP[1:0]
R101h: VC[2:0], DC0[2:0], DC1[2:0]
Other user settings: see notes 1 and 2.

RS=0, DB=16’h0000
RS=0, DB=16’h0000
RS=0, DB=16’h0000
RS=0, DB=16’h0000

Power supply startup time
(6 frames x 1/osc)

(1) Other mode setting instruction
(2) RAM write instruction,
etc.

Automatic NVM data load

Access is prohibited
1ms after reset.

(1) To turn the display on, follow “Display ON Sequence”
in “Instruction Setting Sequence and Refresh Sequence”.
(2) To erase data from NVM, follow “NVM Erase Sequence”.
Erase data from NVM according to “NVM Control”.

Figure 69

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