| 31 |
CP15 |
|
Indicates the presence of coprocessor 15 |
| 0 |
CP15 not present |
| 1 |
CP15 present |
| 30-17 |
UNIQUE ID |
1 |
Silicon version (revision) bits This bitfield holds a unique number for a dedicated device configuration (die). |
| 16-13 |
TECH |
|
Process technology on which the device is manufactured. |
|
|
0000 |
C05 |
|
|
0001 |
F05 |
|
|
0010 |
C035 |
|
|
0011 |
F035 |
|
|
Others |
Reserved |
| 12 |
I/O VOLTAGE |
|
I/O voltage of the device. |
| 0 |
I/O are 3.3v |
| 1 |
I/O are 5v |
| 11 |
PERIPHERAL PARITY |
|
Peripheral Parity |
|
|
0 |
No parity on peripherals |
|
|
1 |
Parity on peripherals |
| 10-9 |
FLASH ECC |
|
Flash ECC |
| 00 |
No error detection/correction |
| 01 |
Program memory with parity |
| 10 |
Program memory with ECC |
| 11 |
Reserved |
| 8 |
RAM ECC |
|
Indicates if RAM memory ECC is present. |
| 0 |
No ECC implemented |
| 1 |
ECC implemented |
| 7-3 |
REVISION |
|
Revision of the Device. |
| 2-0 |
101 |
|
The platform family ID is always 0b101 |