RX230 Datasheet, PDF (84/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
4. I/O Registers
Table 4.1
List of I/O Registers (Address Order) (42 / 42)
Address
Module
Symbol
Register Name
Register
Symbol
Number of Access Cycles
Number Access
of Bits Size
ICLK  PCLK
ICLK <PCLK
007F C1F0h FLASH
Flash Status Register 0
FSTATR0
8
8
2 or 3 PCLKB
2 ICLK
007F C350h FLASHCON Unique ID Register 0
ST
UIDR0
32
32
2 or 3 PCLKB
2 ICLK
007F C354h FLASHCON Unique ID Register 1
ST
UIDR1
32
32
2 or 3 PCLKB
2 ICLK
007F C358h FLASHCON Unique ID Register 2
ST
UIDR2
32
32
2 or 3 PCLKB
2 ICLK
007F C35Ch FLASHCON Unique ID Register 3
ST
UIDR3
32
32
2 or 3 PCLKB
2 ICLK
007F FFB2h FLASH
Flash P/E Mode Entry Register
FENTRYR
16
16
2 or 3 PCLKB
Note 1.
Note 2.
Odd addresses cannot be accessed in 16-bit units. Table 26.4 lists register allocation for 16-bit access in the User’s Manual: Hardware.
When the register is accessed while the USB is operating, a delay may be generated in accessing.
2 ICLK
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 84 of 177