Shutdown mode sequences, Figure 72 – Renesas R61509V User Manual

Page 163

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R61509V

Target

Spec

Rev. 0.11 April 25, 2008, page 163 of 181

Shutdown Mode Sequences

CSX=”Low”

(1)

CSX=”Low” (2)

CSX=”Low” (3)

CSX=”Low” (4)

CSX=”Low” (5)

CSX=”Low” (6)

 

Waveforms in Exiting Shutdown Mode (Input CSX="Low")

Notes: 1. See AC characteristics in Electrical Characteristics for details on low width (PWLW), high width (PWHW), and cycle (tCYCW) periods.
2. Leave at least 1 ms between the 2nd and 3rd inputs of CSX = Low in exiting shutdown mode.

Shutdown Sequence (Exit shutdown mode by inputting CSX = “Low”)

18-/16-/9-/8-bit interface operation

VDD startup,
Oscillation startup period

Exit shutdown mode
Input CSX = “Low” 6 times.

Initialize the
R61509V.

Automatic NVM data load

1ms
or more

0.3ms
or more

Display OFF sequence

Display ON sequence

RAM data setting

Data and RS = Don’t care

Refresh sequence 2

“High”

“High”

“Low” or “High”

Don’t care

Don’t care

Don’t care

Don’t care

Don’t care

Don’t care

Set shutdown mode
R100h: DSTB=1

Set shutdown mode

CSX

RDX

RS

Data

User setting

NL, BP, FP, γ control,
RTNI, DIVI, and others

Executing refresh sequence
regularly is recommended.

1

2

3

4

5

6

Wait
1ms.

WRX

Figure 72

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