FEATURES
• Pin compatible with mask ROM products (except for the VPP pin)
• On-chip one-time PROM: 8K bytes
• On-chip high-speed RAM: 256 bytes
• Can change the minimum instruction execution time to the fast speed (0.4 ms) and the low speed (1.6 ms)
• I/O ports: 22
• Serial interface: 1 channel
Can select the three-wire serial I/O mode or the UART mode
• Timers: 3 channels
• 8-bit timer/event counter: 2 channels
• Watchdog timer: 1 channel
• Operation possible at the same power supply voltage as in mask ROM products (VDD = 1.8 to 5.5 V)
• Compatible with the QTOPTM microcontroller