Silabs Part Audit
ZGM230SB27HGN3, 48 pins, 6.5 × 6.5 mm SiP, 34 GPIO, 512 kB Flash / 64 kB RAM, 1.8–3.8 V supply, −40 to +85 °C, Secure Vault High, Z-Wave/Z-Wave Long Range, RF pin, and +14 dBm TX.Package or Case Code = TO is incorrect; all pins lack datasheet descriptions and are typed Unspecified; DECOUPLE and VDCDC should be explicitly marked “Do Not Connect.”