Flash Size Data Register - ST STM32L4x6 Reference Manual

Device electronic signature
Address offset: 0x04
Read only = 0xXXXX XXXX where X is factory-programmed
31 30 29 28
r r r r
15 14 13 12
r 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
Read only = 0xXXXX XXXX where X is factory-programmed
31 30 29 28
r r r r
15 14 13 12
r r r r
Bits 31:0 UID[95:64]: LOT_NUM[55:24]
Lot number (ASCII encoded)
45.2

Flash size data register

Base address: 0x1FFF 75E0
Address offset: 0x00
Read only = 0xXXXX where X is factory-programmed
15 14 13
r r r
Bits 15:0 FLASH_SIZE[15:0]: Flash memory size
This bitfield indicates the size of the device Flash memory expressed in Kbytes.
As an example, 0x040 corresponds to 64 Kbytes.
1680/1693
27 26 25
r r r
11 10 9
r r r
27 26 25
r r r
11 10 9
r r r
12 11 10 9
r r r r
DocID024597 Rev 3
24 23 22 21
UID[63:48]
r r r r
8 7 6 5
UID[47:32]
r r r r
24 23 22 21
UID[95:80]
r r r r
8 7 6 5
UID[79:64]
r r r r
8 7 6
FLASH_SIZE
r r r
20 19 18
r r r
4 3 2
r r r
20 19 18
r r r
4 3 2
r r r
5 4 3 2
r r r r
RM0351
17 16
r r
1 0
r r
17 16
r r
1 0
r r
1 0
r r