Freescale Semiconductor MPC5553 - Page 542

MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
Freescale Semiconductor 13-19
13.3.2.8 Flash Bus Interface Unit Control Register (FLASH_BIUCR)
The FLASH_BIUCR is the control register for the set up and control of the flash interface. This register
must not be written while executing from flash. This register should only be written in a 32-bit write
operation.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R 0 0 0 0 0 0 0 0 0 0 ADDR
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Reg Addr Base (0xC3F8_8000) + 0x0018
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R ADDR 0 0 0
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Reg Addr Base (0xC3F8_8000) + 0x0018
Figure 13-11. Address Register (FLASH_AR)
Table 13-13. FLASH_AR Field Descriptions
Bits Name Description
0–9 — Reserved.
10–28 ADDR
[3:21]
Doubleword address of first failing address in the event of an ECC error, or the address
of a failure occurring during state machine operation.
29–31 ADDR
[0:2]
Always read as 0.
0123456789101112131415
R00000000000M4
PFE
1
M3
PFE
M2
PFE
M1
PFE
M0
PFE
W
Reset0000000000000000
Reg Addr Base (0xC3F8_8000) + 0x001C
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R APC WWSC RWSC DPFEN IPFEN PFLIM BFEN
W
Reset1111111100000000
Reg Addr Base (0xC3F8_8000) + 0x001C
Figure 13-12. Flash Bus Interface Unit Control Register (FLASH_BIUCR)