| Register | Offset | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|
| HCFG | 0x0000 | ✘ | ✘ | ✔ |
| HFIR | 0x0004 | ✘ | ✘ | ✔ |
| HFNUM | 0x0008 | ✘ | ✘ | ✔ |
| HPTXSTS | 0x0010 | ✘ | ✘ | ✔ |
| HAINT | 0x0014 | ✘ | ✘ | ✔ |
| HAINTMSK | 0x0018 | ✘ | ✘ | ✔ |
| HPRT | 0x0040 | ✘ | ✘ | ✔ |
| HC0_CHAR | 0x0100 | ✘ | ✘ | ✔ |
| HC0_INT | 0x0108 | ✘ | ✘ | ✔ |
| HC0_INTMSK | 0x010C | ✘ | ✘ | ✔ |
| HC0_TSIZ | 0x0110 | ✘ | ✘ | ✔ |
| HC1_CHAR | 0x0120 | ✘ | ✘ | ✔ |
| HC1_INT | 0x0128 | ✘ | ✘ | ✔ |
| HC1_INTMSK | 0x012C | ✘ | ✘ | ✔ |
| HC1_TSIZ | 0x0130 | ✘ | ✘ | ✔ |
| HC2_CHAR | 0x0140 | ✘ | ✘ | ✔ |
| HC2_INT | 0x0148 | ✘ | ✘ | ✔ |
| HC2_INTMSK | 0x014C | ✘ | ✘ | ✔ |
| HC2_TSIZ | 0x0150 | ✘ | ✘ | ✔ |
| HC3_CHAR | 0x0160 | ✘ | ✘ | ✔ |
| HC3_INT | 0x0168 | ✘ | ✘ | ✔ |
| HC3_INTMSK | 0x016C | ✘ | ✘ | ✔ |
| HC3_TSIZ | 0x0170 | ✘ | ✘ | ✔ |
| HC4_CHAR | 0x0180 | ✘ | ✘ | ✔ |
| HC4_INT | 0x0188 | ✘ | ✘ | ✔ |
| HC4_INTMSK | 0x018C | ✘ | ✘ | ✔ |
| HC4_TSIZ | 0x0190 | ✘ | ✘ | ✔ |
| HC5_CHAR | 0x01A0 | ✘ | ✘ | ✔ |
| HC5_INT | 0x01A8 | ✘ | ✘ | ✔ |
| HC5_INTMSK | 0x01AC | ✘ | ✘ | ✔ |
| HC5_TSIZ | 0x01B0 | ✘ | ✘ | ✔ |
| HC6_CHAR | 0x01C0 | ✘ | ✘ | ✔ |
| HC6_INT | 0x01C8 | ✘ | ✘ | ✔ |
| HC6_INTMSK | 0x01CC | ✘ | ✘ | ✔ |
| HC6_TSIZ | 0x01D0 | ✘ | ✘ | ✔ |
| HC7_CHAR | 0x01E0 | ✘ | ✘ | ✔ |
| HC7_INT | 0x01E8 | ✘ | ✘ | ✔ |
| HC7_INTMSK | 0x01EC | ✘ | ✘ | ✔ |
| HC7_TSIZ | 0x01F0 | ✘ | ✘ | ✔ |
| HC8_CHAR | 0x0200 | ✘ | ✘ | ✔ |
| HC8_INT | 0x0208 | ✘ | ✘ | ✔ |
| HC8_INTMSK | 0x020C | ✘ | ✘ | ✔ |
| HC8_TSIZ | 0x0210 | ✘ | ✘ | ✔ |
| HC9_CHAR | 0x0220 | ✘ | ✘ | ✔ |
| HC9_INT | 0x0228 | ✘ | ✘ | ✔ |
| HC9_INTMSK | 0x022C | ✘ | ✘ | ✔ |
| HC9_TSIZ | 0x0230 | ✘ | ✘ | ✔ |
| HC10_CHAR | 0x0240 | ✘ | ✘ | ✔ |
| HC10_INT | 0x0248 | ✘ | ✘ | ✔ |
| HC10_INTMSK | 0x024C | ✘ | ✘ | ✔ |
| HC10_TSIZ | 0x0250 | ✘ | ✘ | ✔ |
| HC11_CHAR | 0x0260 | ✘ | ✘ | ✔ |
| HC11_INT | 0x0268 | ✘ | ✘ | ✔ |
| HC11_INTMSK | 0x026C | ✘ | ✘ | ✔ |
| HC11_TSIZ | 0x0270 | ✘ | ✘ | ✔ |