Product Summary

The D784021GC is a single-chip microcomputer. It contains various peripheral hardware such as RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interface, and interrupt functions, as well as a high-speed, high-performance CPU.

Parametrics

D784021GC absolute maximum ratings: (1)Supply voltage, VDD: -0.5 to 7.0V; AVDD: AVss to VDD+0.5V; AVSS: -0.5 to 0.5V; (2)Input voltage, Vi: -0.5 to VDD+0.5V; (3)Output voltage, Vo: -0.5 to VDD+0.5V; (4)Low-level output current, IOL: 15mA each pin; 150mA total of all output pins; (5)High-level output current, IOH: -10mA each pin; -100mA total of all output pins; (6)A/D converter reference input voltage, AVREF1: -0.5 to VDD+0.3V; (7)D/A converter reference input voltage, AVREF2: -0.5 to VDD+0.3V; AVREF3: -0.5 to VDD+0.3V; (8)Operating ambient temperature, TA: -40 to 85℃; (9)Storage temperature, Tstg: -65 to 150℃.

Features

D784021GC features: (1)78K/IV series; (2)Pin-compatible with the UPD78234 sub-series; (3)Minimum instruction execution time: 160 ns (at 25 MHz); (4)Number of I/O ports: 46; (5)Timer/counters: 16-bit timer/counter × 3 units 16-bit timer × 1 unit; (6)Serial interface: 3 channels: UART/IOE (3-wire serial I/O): 2 channels; CSI (3-wire serial I/O, SBI): 1 channel; (7)PWM outputs: 2; (8)Standby function: HALT/STOP/IDLE mode; (9)Clock frequency division function; (10)Watchdog timer: 1 channel; (11)A/D converter: 8-bit resolution × 8 channels; (12)D/A converter: 8-bit resolution × 2 channels; (13)Supply voltage: VDD = 2.7 to 5.5 V.

Diagrams

D784021GC block diagram