This is a “high speed” 4-bit MCU with an LCD driver.
(Logo) 8527H TMP47C420AF 8052 JAPAN
ROM.NO - AL.NO - AL.OP 7160 G458
Pin 1 is top left.
Die size: 6.16×6.42mm
Top metal imaged under a Nikon Plan Apo 20x/0.75