ST STM32L4+ Series Reference Manual page 2281

RM0432
58.3 Package data register
Base address: 0x1FFF 7500
Address offset: 0x00
Read only = 0xXXXX where X is factory-programmed
15 14 13
Res. Res. Res. Res.
Bits 15:5 Reserved, must be kept at reset value
Bits 4:0 PKG[4:0]: Package type
For STM32L4Rxxx and STM32L4Sxxx devices
00010: LQFP100 without DSI
00011: UFBGA132 without DSI
001XX: LQFP144 without DSI
10000: UFBGA169 without DSI
10010: LQFP100 with DSI
10011: UFBGA144 with DSI, WLCSP144 with DSI
10100: UFBGA169 with DSI
10101: LQFP144 with DSI
For STM32L4P5xx and STM32L4Q5xx devices
00000: LQFP64
00010: LQFP100
00011: UFBGA132
00100: LQFP144
01010: UFQFPN48
01011: LQFP48
10000: UFBGA169
10001: WLCSP100
10111: UFQFPN48 SMPS
11000: LQFP48 SMPS
11001: UFBGA132 SMPS
11010: LQFP100 SMPS
11011: WLCSP100 SMPS
11100: LQFP144 SMPS
11101: UFBGA169 SMPS
11110: LQFP64 SMPS
12 11 10 9
Res. Res. Res.
8 7 6
Res. Res. Res.
RM0432 Rev 6
Device electronic signature
5 4 3 2
Res. PKG[4:0]
r r r
1 0
r r
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