M1542A1 is a BGA (Ball Grid Array) chip manufactured by ALI (Acer Laboratories Incorporated). It is a single-chip microcontroller with an 8-bit CPU, 8K bytes of ROM, and 256 bytes of RAM. It is designed for use in embedded systems, such as home appliances, industrial automation, and automotive applications. It features an 8-bit CPU, 8K bytes of ROM, 256 bytes of RAM, two 8-bit timers, two 8-bit I/O ports, one 16-bit timer, one 8-bit A/D converter, and one 8-bit D/A converter. It also has a watchdog timer and an interrupt controller. The M1542A1 is designed to operate at a supply voltage of 3.3V and has an operating temperature range of -40°C to {+}85°C.(For reference only)
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