ST STM32G0 1 Series Reference Manual page 1381

RM0444 Device electronic signature
Bits 15:4 Reserved
Bits 3:0 PKG[3:0]: Package type
For STM32G071xx and STM32G081xx:
0000: UFQFPN28 general purpose (GP)
0001: UFQFPN28 Power Delivery (PD)
0100: UFQFPN32 / LQFP32 general purpose (GP)
0101: UFQFPN32 / LQFP32 Power Delivery (PD)
1000: UFQFPN48 / LQFP48
1100: LQPF64
Others: Reserved
For STM32G031xx and STM32G041xx, and for STM32G051xx and STM32G061xx:
0001: SO8
0010: WLCSP18
0011: TSSOP20
0100: UFQFPN28
0101: UFQFPN32 / LQFP32
0111: UFQFPN48 / LQFP48
Others: Reserved
For STM32G0B1xx and STM32G0C1xx:
0000: LQFP100
0001: LQFP32/UFQFPN32 general purpose (GP)
0010: LQFP32/UFQFPN32 N-version
0100: LQFP48 / UFQFPN48 general purpose (GP)
0101: LQFP48 / UFQFPN48 N-version
0110: WLCSP52
0111: LQFP64 general purpose (GP)
1000: LQFP64 N-version
1010: UFBGA64 N-version
1011: LQFP80
1100: UFBGA100
Others: Reserved
RM0444 Rev 5 1381/1390
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