Renesas R61509V manual NVM Control, VPP1

R61509V Target Spec

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)
Write		VPP1	9.2V±0.3V	Write period:	-	+20°C~+30C°
				150ms±50ms
		VPP3A	Open or AGND
Erase		VPP1	9.2V±0.3V	Erase period:	Verify erase operation	+20°C~+30C°
				10ms±1ms x n	at intervals of
				time(s) (N ≤ 30, total	10ms±1ms.
		VPP3A	-9.2V±0.3V
				≤ 300ms)
Except		VPP1	Open or AGND	-	-	−40°C~+85C°
Write/Erase
		VPP3A	Open or AGND
Note:	NVM data rewrite (erase-write) operation should be performed up to 5 times per address.

Rev. 0.11 April 25, 2008, page 155 of 181