ST STM32WL55JC Reference Manual page 1443

RM0453
Address offset: 0x04
Reset value: 0xXXXX XXXX
Note: X is factory-programmed.
31 30 29
r r r
15 14 13
r r r
Bits 31:8 UID[63:40]: LOT_NUM[23:0], lot number (ASCII encoded)
Bits 7:0 UID[39:32]: WAF_NUM[7:0], wafer number (8-bit unsigned number)
Address offset: 0x08
Reset value: 0xXXXX XXXX
Note: X is factory-programmed.
31 30 29
r r r
15 14 13
r r r
Bits 31:0 UID[95:64]: LOT_NUM[55:24], lot number (ASCII encoded)
39.1.2 FLASH size data register (FLASHSIZE)
Base address: 0x1FFF 75E0
Address offset: 0x00
Reset value: 0xXXXX
Note: X is factory-programmed.
15 14 13
r r r
Bits 15:0 FLASH_SIZE[15:0]: Flash memory size
These bits indicates the size of the device Flash memory in Kbytes.
As an example, 0x0040 corresponds to 64 Kbytes.
28 27 26 25
r r r r
12 11 10 9
r r r r
28 27 26 25
r r r r
12 11 10 9
r r r r
12 11 10 9
r r r r
24 23 22
UID[63:48]
r r r
8 7 6
UID[47:32]
r r r
24 23 22
UID[95:80]
r r r
8 7 6
UID[79:64]
r r r
8 7 6
FLASH_SIZE[15:0]
r r r
RM0453 Rev 2
Device electronic signature
21 20 19 18
r r r r
5 4 3 2
r r r r
21 20 19 18
r r r r
5 4 3 2
r r r r
5 4 3 2
r r r r
17 16
r r
1 0
r r
17 16
r r
1 0
r r
1 0
r r
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