ST STM32WL5 Series - FLASH Size Data Register (FLASHSIZE)

Device electronic signature RM0453
1450/1461 RM0453 Rev 1
Address offset: 0x04
Reset value: 0xXXXX XXXX
Note: X is factory-programmed.
Address offset: 0x08
Reset value: 0xXXXX XXXX
Note: X is factory-programmed.
39.1.2 FLASH size data register (FLASHSIZE)
Base address: 0x1FFF 75E0
Address offset: 0x00
Reset value: 0xXXXX
Note: X is factory-programmed.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
UID[63:48]
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1514131211109876543210
UID[47:32]
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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)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
UID[95:80]
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1514131211109876543210
UID[79:64]
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Bits 31:0 UID[95:64]: LOT_NUM[55:24], lot number (ASCII encoded)
1514131211109876543210
FLASH_SIZE[15:0]
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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.