Renesas Electronics UPD78F9328GB-8ET-A, 8bit 78K0S Microcontroller, 78K, 5MHz, 32 kB Flash, 52-Pin LQFP

The 78K Families of Microcontrollers by Renesas are suitable for a wide range of applications.
The UPD78932x is an 8-Bit microcontroller with a 78K0S CPU core suitable for LCD control applications like Remote controllers and health care equipment.

Key Features:
Operating voltage: VDD = 1.8 V to 5.5 V
Max. frequency: 5 MHz
ROM capacities: 4 KB to 16 KB mask ROM and 32 KB flash memory
RAM capacities: 256 B to 512 B
52-pin plastic LQFP package
Main system clock: RC oscillation
Minimum instruction execution time can be changed from high-speed (0.4 μs: @ 5.0 MHz operation with main system clock) to ultra-low-speed (122 μs: @ 32.768 kHz operation with subsystem clock)
I/O ports: 21
Serial interface: Three wire serial I/O mode 1 channel
Timer: 4 channels
•8-bit timer: 2 channels
•Watch timer: 1 channel
•Watchdog timer: 1 channel
LCD controller/driver Segment signals: 24, common signals: 4
Vectored interrupt sources: 9
On-chip power-on clear circuit (mask option for mask ROM versions)
Operating ambient temperature: TA = -40 to +85°C