Analog Devices ADSP-BF506F Hardware Reference Manual page 194

Common Flash Interface
Table 6-21. Primary Algorithm-Specific Extended Query
1
Table (Cont'd)
Offset
0x(P+A) = 0x43
0x(P+B) = 0x44
0x(P+C) = 0x45
0x(P+D) = 0x46 0x0090
1 The variable P is a pointer that is defined at CFI offset 0x15.
Table 6-22. Protection Register Information
Offset
0x(P+ ) = 0x47
E
0x(P+F) = 0x48
0x(P+10) = 0x49 0x0000
0x(P+11) = 0x4A 0x0003
0x(P+12) = 0x4B 0x0004
1 The variable P is a pointer that is defined at CFI offset 0x15.
6-50
Data Description
0x0003 Block protect status
Defines which bits in the block status register section of the
query are implemented.
0x0000 Bit 0 block protect status register lock/unlock bit active
(1 = Yes, 0 = No
Bit 1 block lock status register lock-down bit active
(1 = Yes, 0 = No)
Bit 15 to 2 reserved for future use; undefined bits are "0"
V logic supply optimum program/erase voltage
DD
(highest performance)
0x0018 Bit 7 to 4 HEX value in volts
Bit 3 to 0 BCD value in 100 mV
V supply optimum program/erase voltage
PP
Bit 7 to 4 HEX value in volts
Bit 3 to 0 BCD value in 100 mV
Data Description
0x0001 Number of protection register fields in JEDEC ID space.
0x0000 indicates that 256 fields are available.
0x0080 Protection Field 1: protection description
Bits 0-7 lower byte of protection register address
Bits 8-15 upper byte of protection register address
Bits 16-23 2
Bits 24-31 2
ADSP-BF50x Blackfin Processor Hardware Reference
1
n
bytes in factory pre-programmed region
n
bytes in user programmable region
Value
Yes
Yes
1.8 V
9 V
Value
1
0x0080
8 bytes
16 bytes