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UPD784938 Datasheet(PDF) 30 Page - NEC |
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UPD784938 Datasheet(HTML) 30 Page - NEC |
30 / 733 page ![]() 30 Preliminary User’s Manual U13987EJ1V0UM00 12-11 Interval Timer Operation Setting Procedure ............................................................................................... 384 12-12 Operation when Counting is Started ........................................................................................................... 385 13-1 Watchdog Timer Block Diagram .................................................................................................................. 387 13-2 Watchdog Timer Mode Register (WDM) Format ........................................................................................ 389 14-1 Watch Timer Mode Register (WM) Format ................................................................................................. 393 14-2 Block Diagram of Watch Timer .................................................................................................................... 394 15-1 PWM Output Unit Configuration .................................................................................................................. 395 15-2 PWM Control Register (PWMC) Format ..................................................................................................... 397 15-3 PWM Prescaler Register (PWPR) Format .................................................................................................. 398 15-4 Basic PWM Output Operation ..................................................................................................................... 399 15-5 PWM Output Active Level Setting ............................................................................................................... 400 15-6 PWM Output Timing Example 1 (PWM pulse width rewrite cycle = 212/fPWMC) ......................................... 401 15-7 PWM Output Timing Example 2 (PWM pulse width rewrite cycle = 28/fPWMC) .......................................... 402 16-1 A/D Converter Block Diagram ..................................................................................................................... 404 16-2 Example of Capacitor Connection on A/D Converter Pins ........................................................................ 405 16-3 A/D Converter Mode Register (ADM) Format ............................................................................................ 408 16-4 A/D Current Cut Select Register (IEAD) Format ........................................................................................ 410 16-5 A/D Current Cut Select Register Function .................................................................................................. 410 16-6 Basic A/D Converter Operation ................................................................................................................... 412 16-7 Relationship between Analog Input Voltage and A/D Conversion Result ................................................. 413 16-8 Select Mode Operation Timing .................................................................................................................... 415 16-9 Scan Mode 0 Operation Timing ................................................................................................................... 416 16-10 Scan Mode 1 Operation Timing ................................................................................................................... 417 16-11 Software Start Select Mode A/D Conversion Operation ............................................................................ 418 16-12 Software Start Scan Mode A/D Conversion Operation .............................................................................. 419 16-13 Hardware Start Select Mode A/D Conversion Operation ........................................................................... 421 16-14 Hardware Start Scan Mode A/D Conversion Operation ............................................................................. 422 16-15 Example of Capacitor Connection on A/D Converter Pins ........................................................................ 424 17-1 Example of Serial Interface ......................................................................................................................... 425 18-1 Switching between Asynchronous Serial Interface Mode and 3-Wire Serial I/O Mode ............................ 428 18-2 Asynchronous Serial Interface Block Diagram ........................................................................................... 430 18-3 Format of Asynchronous Serial Interface Mode Register (ASIM) and Asynchronous Serial Interface Mode Register 2 (ASIM2) ......................................................................... 433 18-4 Format of Asynchronous Serial Interface Status Register (ASIS) and Asynchronous Serial Interface Status Register 2 (ASIS2) ........................................................................ 434 18-5 Asynchronous Serial Interface Transmit/Receive Data Format ................................................................. 435 LIST OF FIGURES (8/12) Figure No. Title Page |
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