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HD404392 Datasheet(PDF) 11 Page - Hitachi Semiconductor |
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HD404392 Datasheet(HTML) 11 Page - Hitachi Semiconductor |
11 / 100 page HD404344R Series/HD404394 Series 11 HD404394 Series Pin Number Item Symbol DP-28S/ FP-28DA FP-30D I/O Function Power supply V CC 16 18 Applies power voltage GND 11 11 Connects to ground Test TEST 17 19 I Cannot be used in user applications. Connect this pin to GND. Reset RESET 18 20 I Resets the MCU Oscillator OSC 1 9 9 I Input/output pin for the internal oscillator. Connect these pins to the ceramic oscillator, or OSC 1 to an external oscillator circuit OSC 2 10 10 O Port D 0–D 5 23–28 25–30 I/O Input/output pins addressed individually by bits; pins D 1 and D 2 can sink 15 mA max. R0 0–R0 3, R1 0–R1 3, R2 0–R2 3, R3 1–R3 3 1–8, 13–15 19–22 1–8, 14–16, 21–24 I/O Four-bit input/output pins. Pins R1 0–R1 2 are NMOS intermediate-voltage open drain pins. Pins R1 3–R2 3 are NMOS standard-voltage open drain pins which can sink 15 mA max. Interrupt INT 0 23 25 I Input pin for external interrupts Stop clear STOPC 27 29 I Input pin for transition from stop mode to active mode Serial interface SCK 19 21 I/O Serial interface clock input/output pin SI 20 22 I Serial interface receive data input pin SO 21 23 O Serial interface transmit data output pin Timer TOC 22 24 O Timer output pin EVNB 23 25 I Event count input pin A/D converter V ref 12 13 Power supply for the internal ladder resistor in the A/D converter AN 1–AN 3 13–15 14–16 I Analog input pins for the A/D converter |
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