UPD789046中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

FEATURES

? Internal ROM: 16 Kbytes

? Internal high-speed RAM: 512 bytes

? 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: 34

? Serial interface: 1 channel

Switchable between 3-wire serial I/O and UART modes

? Timer: 4 channels

? 16-bit timer counter: 1 channel

? 8-bit timer/event counter: 1 channel

? Watch timer: 1 channel

? Watchdog timer: 1 channel

? Vectored interrupt source: 12

? Power supply voltage: VDD = 1.8 to 5.5 V

? Operating ambient temperature: TA = ?40 to +85°C