C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 352

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

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
SFR Address = 0xC6; SFR Page = 0x01
352
Name
Reset
7:1
Bit
Type
0
Bit
Unused
Name
BSEL
R
7
0
Read = 0000000b; Write = Don’t Care.
Flash Programming Bank Select.
0: The address range 0x0000 - 0xFFFF accesses Banks 0 - 1
1: The address range 0x0000 - 0xFFFF accesses Banks 2 - 3
R
6
0
R
5
0
Rev. 1.2
R
4
0
Function
R
3
0
R
2
0
R
1
0
BSEL
R/W
0
0