C8051F58X Datasheet, PDF (352/356 Pages) Silicon Laboratories – Programmable hysteresis and response time Configurble as interrupt or reset source Low current

C8051F58x/F59x
The FPSEL register is a Special Function Register (SFR) that is only accessible through the C2 interface.
When reading, writing. or erasing Flash through the C2 interface, this register must be set first in order to
access the different banks. SFRs are accessed through the C2 interface using the WriteAR and ReadDR /
Write DR commands described in Application Note 127: Flash Programming via the C2 Interface.
C2 Register Definition 30.6. FPSEL: C2 Flash Bank Select
Bit
7
6
5
4
3
2
1
Name
Type
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
SFR Address = 0xC6; SFR Page = 0x01
Bit Name
Function
7:1 Unused Read = 0000000b; Write = Don’t Care.
0
BSEL _{Flash Programming Bank Select.}
0: The address range 0x0000 - 0xFFFF accesses Banks 0 - 1
1: The address range 0x0000 - 0xFFFF accesses Banks 2 - 3
0
BSEL
R/W
0
352
Rev. 1.2