This is a C166-based MCU.
By the memory array:
(C) INFINEON 2002 SAK C167-xy-zM M1454-H2 498
By the ADC?
M1454A11-10-16-FC-C5NR5-V1.0
Within the core, mirrored:
(Logo) (C) 1992,93 BOSCH
Winthin the PLL unit:
PLL.CSNRS.V1.0
Top metal imaged under Nikon PlanApo 40x/1.0 (half-res)