Renesas R61509V 用户手册

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页码 181
R61509V 
        Target 
Spec 
 
Rev. 0.11 April 25, 2008, page 155 of 181  
 
NVM Control  
The R61509V incorporates 16-bit NVM for user’s use.  
•  7 bits are for VCOM adjustment (VCM register value is stored). 
•  8 bits are for UID. 
•  1 bit is for a dummy bit. 
To write, read and erase data from/to the NVM, follow the sequences below. Data on the NVM is loaded to 
internal registers automatically when the sequences are performed.   
•  Power On reset 
•  Exit shutdown mode 
Data stored in the NVM is retained permanently even if power supply is turned off. 
Table 81 
Operation mode 
Power supply voltage (TBD) 
Time (TBD) 
Remarks 
Temperature 
(TBD) 
VPP1 
9.2V
±0.3V 
Write 
VPP3A
Open or AGND 
Write period: 
150ms
±50ms 
+20°C~+30C°
VPP1 
9.2V
±0.3V 
Erase 
VPP3A
-9.2V
±0.3V 
Erase period: 
10ms
±1ms x n 
time(s) (N 
≤ 30, total 
≤ 300ms) 
Verify erase operation 
at intervals of 
10ms
±1ms. 
+20°C~+30C°
VPP1 
Open or AGND 
Except 
Write/Erase 
VPP3A
Open or AGND 
- - 
−40°C~+85C°
Note: 
NVM data rewrite (erase-write) operation should be performed up to 5 times per address.