Specifications

Programmers Model
ARM DUI 0447J Copyright © 2009-2014, ARM. All rights reserved. 4-14
ID052914 Non-Confidential
Figure 4-6 SYS_MCI Register bit assignments
Table 4-9 shows the bit assignments.
4.4.7 Flash Control Register
The SYS_FLASH Register characteristics are:
Purpose Enables and disables the hardware-controlled security commands to the
NOR Flash memory devices.
Usage constraints There are no usage constraints.
Configurations Available in all configurations.
Attributes See Table 4-3 on page 4-8.
Figure 4-7 shows the bit assignments.
Figure 4-7 SYS_FLASH Register bit assignments
031
WPROT
12
Undefined
CARDIN
Table 4-9 SYS_MCI Register bit assignments
Bits Name Reset Description
[31:2] -
0x0000000 Undefined, write ignored, read as zero.
[1] WPROT
bx Status of the Write Protect switch from the MCI connector, WPROT.
[0] CARDIN
bx Card detect:
b0 No card detected.
b1 Card detected.
031
FLASHWPn
Undefined
1