FEATURES

• Serial interface (I2C bus and UART mode)

• Hardware for PLL frequency synthesizer

• Pin-compatible with mask ROM models (except VPP pin)

• Flash memory: 32K bytesNote

• Internal high-speed RAM: 1024 bytes

• Operable at same supply voltage as mask ROM models

: VDD = 4.5 to 5.5 V (during CPU and PLL operations)

: VDD = 3.5 to 5.5 V (during CPU operation)