DESCRIPTION
The µPD78F4216A/78F4218A and 78F4216AY/78F4218AY are products of µPD784216A/784218A, 784216AY/784218AY Subseries in the 78K/IV Series. The µPD78F4216A/78F4218A have flash memory in place of the internal ROM of the µPD784216A/784218A. The incorporation of flash memory allows a program to be written or erased while mounted on the target board. The µPD78F4216AY/78F4218AY are based on the µPD78F4216A/78F4218A Subseries with the addition of a multimaster-supporting I2C bus interface.

FEATURES
• Pin compatible with the mask ROM products
• Flash memory: 128 KB (µPD78F4216A/78F4216AY)  256 KB (µPD78F4218A/78F4218AY)
• Internal RAM: 8,192 bytes (µPD78F4216A/78F4216AY)  12,800 bytes (PD78F4218A/78F4218AY)
• Supply voltage: VDD = 1.9 to 5.5 V

APPLICATIONS
Cellular phones, PHS, cordless telephones, CD-ROM, AV equipment