UPD784938 Datasheet, PDF (30/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

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