NXP Semiconductors K22F series - Chip Select Address Register (Fb_Csarn)

FB memory map (continued)
Absolute
address
(hex)
Register name
Width
(in bits)
Access Reset value
Section/
page
4000_C008 Chip Select Control Register (FB_CSCR0) 32 R/W Undefined 31.3.3/699
4000_C00C Chip Select Address Register (FB_CSAR1) 32 R/W 0000_0000h 31.3.1/697
4000_C010 Chip Select Mask Register (FB_CSMR1) 32 R/W 0000_0000h 31.3.2/698
4000_C014 Chip Select Control Register (FB_CSCR1) 32 R/W Undefined 31.3.3/699
4000_C018 Chip Select Address Register (FB_CSAR2) 32 R/W 0000_0000h 31.3.1/697
4000_C01C Chip Select Mask Register (FB_CSMR2) 32 R/W 0000_0000h 31.3.2/698
4000_C020 Chip Select Control Register (FB_CSCR2) 32 R/W Undefined 31.3.3/699
4000_C024 Chip Select Address Register (FB_CSAR3) 32 R/W 0000_0000h 31.3.1/697
4000_C028 Chip Select Mask Register (FB_CSMR3) 32 R/W 0000_0000h 31.3.2/698
4000_C02C Chip Select Control Register (FB_CSCR3) 32 R/W Undefined 31.3.3/699
4000_C030 Chip Select Address Register (FB_CSAR4) 32 R/W 0000_0000h 31.3.1/697
4000_C034 Chip Select Mask Register (FB_CSMR4) 32 R/W 0000_0000h 31.3.2/698
4000_C038 Chip Select Control Register (FB_CSCR4) 32 R/W Undefined 31.3.3/699
4000_C03C Chip Select Address Register (FB_CSAR5) 32 R/W 0000_0000h 31.3.1/697
4000_C040 Chip Select Mask Register (FB_CSMR5) 32 R/W 0000_0000h 31.3.2/698
4000_C044 Chip Select Control Register (FB_CSCR5) 32 R/W Undefined 31.3.3/699
4000_C060
Chip Select port Multiplexing Control Register
(FB_CSPMCR)
32 R/W 0000_0000h 31.3.4/702
31.3.1 Chip Select Address Register (FB_CSARn)
Specifies the associated chip-select's base address.
Address:
4000_C000h base + 0h offset + (12d × i), where i=0d to 5d
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
BA
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
FB_CSARn field descriptions
Field Description
31–16
BA
Base Address
Defines the base address for memory dedicated to the associated chip-select. BA is compared to bits 31–
16 on the internal address bus to determine if the associated chip-select's memory is being accessed.
NOTE:
Because the FlexBus module is one of the slaves connected to the crossbar switch, it is only
accessible within a certain memory range. See the chip memory map for the applicable FlexBus
Table continues on the next page...
Chapter 31 External Bus Interface (FlexBus)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 697