System Integration Unit Lite (SIUL) RM0046
254/936 Doc ID 16912 Rev 5
MCU ID Register #2 (MIDR2)
This register contains additional configuration information about the device.
Figure 99. MCU ID Register #2 (MIDR2)
Address:
Base + 0x0008 Access: User read-only
0123456789101112131415
RSF FLASH_SIZE[3:0] 00000000 000
W
Reset1010000000000000
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R PARTNUM[23:16] 0 0 0EE0 000
W
Reset0101000000000000
Table 92. MIDR2 field descriptions
Field Description
SF
Manufacturer
0: Reserved
1: ST
FLASH_SIZE[3:0]
Coarse granularity for Flash memory size
Needs to be combined with FLASH_SIZE_2 to calculate the actual memory size.
0011: 192 KB
0100: 256 KB
Other values are reserved.
PARTNUM[23:16]
ASCII character in MCU Part Number
0x50: P family (Steering)
EE
Data Flash present
0: No Data Flash present
1: Data Flash present
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