UG-498
ADuCM320 Hardware Reference Manual
Rev. C | Page 86 of 196
Upper Page Address Register
Address: 0x4001801C, Reset: 0x00000000, Name: FEEADR1
Table 103. Bit Descriptions for FEEADR1
Bits
Bit Name
Description
Reset
Access
[31:19]
RESERVED
Return 0 when read.
0x0
RW
[18:11]
PAGEADDR1
Used by SIGN command for specifying the endpage address. See the
description of this command in FEECMD.
0x0
RW
[10:0]
RESERVED
Reserved.
0x0
R
Key Register
Address: 0x40018020, Reset: 0x00000000, Name: FEEKEY
Table 104. Bit Descriptions for FEEKEY
Bits
Bit Name
Description
Reset
Access
[31:0]
KEY
Enter 0xF123F456 to allow key protected operations. Returns 0x00 if read.
0x0
W
Write Protection Register for Flash 0
Address: 0x40018028, Reset: 0xFFFFFFFF, Name: FEEPRO0
Table 105. Bit Descriptions for FEEPRO0
Bits
Bit Name
Description
Reset
Access
[31:0]
WRPROT0
Write protection for Flash 0 – 32 bits. Each bit corresponds to a 4 kB flash
section. Writing 0 to a bit protects the corresponding section of flash. This
register is read-only if the write protection in flash has been programmed.
0xFFFFFFFF RW
Write Protection Register for Flash 1
Address: 0x4001802C, Reset: 0xFFFFFFFF, Name: FEEPRO1
Table 106. Bit Descriptions for FEEPRO1
Bits
Bit Name
Description
Reset
Access
[31:0]
WRPROT1
Write protection for Flash 1 – 32 bits. Each bit corresponds to a 4 kB flash
section. Writing 0 to a bit protects the corresponding section of flash. This
register is read-only if the write protection in flash has been programmed.
0xFFFFFFFF RW
Upper Half-Word of Signature Register
Address: 0x40018034, Reset: 0x0000000X, Name: FEESIG
Table 107. Bit Descriptions for FEESIG
Bits
Bit Name
Description
Reset
Access
[31:24]
RESERVED
Returns 0x0 if read.
0x0
R
[23:0]
SIGN
24-bit signature.
0xx
R