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UPD780204 Datasheet(PDF) 20 Page - NEC

Part # UPD780204
Description  8-Bit Single-Chip Microcontrollers
Download  418 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD780204 Datasheet(HTML) 20 Page - NEC

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User’s Manual U11302EJ4V0UM
LIST OF FIGURES (5/6)
Figure No.
Title
Page
15-1
VFD Controller Operation Timing in Display Mode 1 (DSPM05 = 0) ........................................... 300
15-2
VFD Controller/Driver Block Diagram ............................................................................................ 302
15-3
Format of Display Mode Register 0 ............................................................................................... 305
15-4
Format of Display Mode Register 1 ............................................................................................... 307
15-5
Format of Display Mode Register 2 ............................................................................................... 308
15-6
Cut Width of Segment/Digit Signal ................................................................................................. 310
15-7
VFD Controller Display Start Timing .............................................................................................. 310
15-8
Selection of Display Mode .............................................................................................................. 311
15-9
Pin Configuration for 14-Segment Display ..................................................................................... 312
15-10
Relationship Between Display Data Memory Contents and Segment Output ............................. 313
15-11
Light Leakage due to Short Blanking Time .................................................................................... 315
15-12
Light Leakage due to CSG ............................................................................................................... 316
15-13
Waveform of Light Leakage due to CSG ......................................................................................... 316
15-14
Display Data Memory Configuration and Segment Data Reading Order
(Segment Type) ............................................................................................................................... 318
15-15
Relationship Between Display Data Memory Contents and Segment Outputs
in 10-Segment x 11-Digit Display Mode ........................................................................................ 319
15-16
Display Data Memory Configuration and Segment Data Reading Order (Dot Type) .................. 320
15-17
Relationship Between Display Data Memory Contents and Segment Outputs
in 35-Segment x 16-Digit Display Mode ........................................................................................ 321
15-18
Display Data Memory Configuration and Data Reading Order (Display Mode 2) ....................... 322
15-19
Segment Connection Example ....................................................................................................... 323
15-20
Grid Driving Timing ......................................................................................................................... 324
15-21
Data Memory Status in 23-Segment x 5-Grid Display Mode ........................................................ 325
15-22
Allowable Total Power Dissipation PT (TA = –40 to +85
°C) .......................................................... 326
15-23
Relationship Between Display Data Memory Contents and Segment Outputs
in 10-Segment x 11-Digit Display Mode ........................................................................................ 328
15-24
Relationship Between Display Data Memory Contents and Segment Outputs
in 35-Segment x 16-Digit Display Mode ........................................................................................ 331
15-25
Grid Driving Timing ......................................................................................................................... 333
15-26
Data Memory Status in 23-Segment x 5-Grid Display Mode ........................................................ 334
16-1
Basic Configuration of Interrupt Function ...................................................................................... 337
16-2
Format of Interrupt Request Flag Register .................................................................................... 340
16-3
Format of Interrupt Mask Flag Register ......................................................................................... 341
16-4
Format of Priority Specification Flag Register ............................................................................... 342
16-5
Format of External Interrupt Mode Register .................................................................................. 343
16-6
Format of Sampling Clock Select Register .................................................................................... 344
16-7
Noise Eliminator I/O Timing (When Rising Edge Is Detected) ..................................................... 345
16-8
Format of Program Status Word .................................................................................................... 346
16-9
Non-Maskable Interrupt Request Acknowledgment Flowchart ..................................................... 348
16-10
Non-Maskable Interrupt Request Acknowledgment Timing .......................................................... 348
16-11
Non-Maskable Interrupt Request Acknowledgment Operation ..................................................... 349


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