Renesas R61509V - Manual (Page 90)

R61509V Target Spec
Rev. 0.11 April 25, 2008, page 90 of 181
NVM Control
NVM Access Control 1 (R6F0h), NVM Access Control 2 (R6F1h), NVM Access Control 3
(R6F2h)
EOP [1:0]: Writes data on R280h to NVM or halts the write operation.
Table 55
EOP[1:0] NVM control
2’h0 Halt
2’h1 Write
2’h2 Setting disabled
2’h3 Erase
CALB: When CALB=1, all data in NVM is read out and written to internal registers. When finished,
CALB is set to 0.
TE: Enables internal NVM control bit (EOP). Follow the NVM control sequence when setting TE.
NVDAT[15:0]: To write data to NVM, write the data on NVDAT (R6F1h) first, and then start write
operation using EOP bit.
・ NVM data written to NVDAT[14:8] are loaded to R280h VCM [6:0] when power on reset is executed
or CALB=1.
・ NVM data written to NVDAT[7:0] are loaded to R280h UID [7:0] when power on reset is executed or
CALB=1.
See “NVM Control” for details of write operation and required settings.
R/W RS IB15 IB14 IB13 IB12 IB11 IB10 IB9 IB8 IB7 IB6 IB5 IB4 IB3 IB2 IB1 IB0
R
6F0h
R/W 1 0 0 0 0 0 0 0 0 TE
CAL
B
EOP
[1]
EOP
[0]
0 0 0 0
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
R
6F1h R/W 1
NV
DAT
[15]
NV
DAT
[14]
NV
DAT
[13]
NV
DAT
[12]
NV
DAT
[11]
NV
DAT
[10]
NV
DAT
[9]
NV
DAT
[8]
NV
DAT
[7]
NV
DAT
[6]
NV
DAT
[5]
NV
DAT
[4]]
NV
DAT
[3]
NV
DAT
[2]]
NV
DAT
[1]
NV
DAT
[0]
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
R/W 1 0 0 0 0 0 0 0 0 0 0 0 0
NVV
RF
0 0 0
R
6F2h
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0