CHAPTER1: Flash Memory
4. Registers
P E R I P H E R A L M A N U A L
August 31, 2015, S6E1Cx_MN710-00016-1v0-E
37
CONFIDENTIAL
4.6
CR Trimming Data Mirror Register (CRTRMM)
The CR Trimming Data Mirror Register (CRTRMM) is the mirror register of the CR trimming data.
A value of this register can be used in the user mode and the serial writer mode.
Register Configuration
bit
3
1
2
3
2
2
1
6
1
5
1
0
9 0
Field
Reserved
TTRMM
Reserved
TRMM
Attribute
-
R
-
R
Initial Value
-
*1
-
*2
*1: Value of bit[6:0] at the address 0x0010_0006
*2: Value of bit[9:0] at the address 0x0010_0004
Register Functions
[bit31:23] Reserved bits
The read values are undefined. Ignored on write.
[bit22:16] TTRMM : CR Temperature Trimming Data Mirror Bit
After a reset is released, bit[6:0](CR Temperature Trimming Data) at the address "0x0010_0006" in Flash
Memory area are stored in this bit.
For details of High-speed CR Trimming data, see chapter "High-speed CR Trimming Data" in "FM0+ Family
Peripheral Manual".
[bit15:10] Reserved bits
The read values are undefined. Ignored on write.
[bit9:0] TRMM : CR Trimming Data Mirror Bit
After a reset is released, bit[9:0](CR Frequency Trimming Data) at the address "0x0010_0004" in Flash
Memory area are stored in this bit.
For details of High-speed CR Trimming data, see chapter "High-speed CR Trimming Data" in "FM0+ Family
Peripheral Manual".
Note:
−
If "Reset" signal inside the chip is issued after erasing the flash memory data or erasing SA0, this
register is cleared. At this time, the stored CR trimming data is deleted. So, save the stored CR
trimming data to RAM etc. before this register is cleared.
