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UPD784938 Datasheet(PDF) 33 Page - NEC

Part # UPD784938
Description  16-Bit Single-Chip Microcontrollers
Download  733 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD784938 Datasheet(HTML) 33 Page - NEC

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Preliminary User’s Manual U13987EJ1V0UM00
23-22
Macro Service Data Transfer Processing Flow (Type A) ...........................................................................
570
23-23
Type A Macro Service Channel ...................................................................................................................
572
23-24
Asynchronous Serial Reception ..................................................................................................................
573
23-25
Macro Service Data Transfer Processing Flow (Type B) ...........................................................................
575
23-26
Type B Macro Service Channel ...................................................................................................................
576
23-27
Parallel Data Input Synchronized with External Interrupts ........................................................................
577
23-28
Parallel Data Input Timing ...........................................................................................................................
578
23-29
Macro Service Data Transfer Processing Flow (Type C) ...........................................................................
580
23-30
Type C Macro Service Channel ..................................................................................................................
582
23-31
Stepping Motor Open Loop Control by Real-Time Output Port .................................................................
584
23-32
Data Transfer Control Timing ......................................................................................................................
585
23-33
Single-Phase Excitation of 4-Phase Stepping Motor .................................................................................
587
23-34
1-2-Phase Excitation of 4-Phase Stepping Motor ......................................................................................
587
23-35
Automatic Addition Control + Ring Control Block Diagram 1
(when output timing varies with 1-2-phase excitation) ...............................................................................
588
23-36
Automatic Addition Control + Ring Control Timing Diagram 1
(when output timing varies with 1-2-phase excitation) ...............................................................................
589
23-37
Automatic Addition Control + Ring Control Block Diagram 2
(1-2-phase excitation constant-velocity operation) .....................................................................................
590
23-38
Automatic Addition Control + Ring Control Timing Diagram 2
(1-2-phase excitation constant-velocity operation) .....................................................................................
591
23-39
Macro Service Data Transfer Processing Flow (counter mode) ................................................................
592
23-40
Counter Mode ..............................................................................................................................................
593
23-41
Counting Number of Edges .........................................................................................................................
593
23-42
Interrupt Request Generation and Acknowledgment (unit: clocks) ...........................................................
596
24-1
Memory Expansion Mode Register (MM) Format ......................................................................................
604
24-2
µPD784935 Memory Map ............................................................................................................................ 606
24-3
µPD784936 Memory Map ............................................................................................................................ 608
24-4
µPD784937 Memory Map ............................................................................................................................ 610
24-5
µPD784938 Memory Map ............................................................................................................................ 612
24-6
Read Timing .................................................................................................................................................
614
24-7
Write Timing .................................................................................................................................................
614
24-8
Memory Expansion Mode Register (MM) Format ......................................................................................
615
24-9
Programmable Wait Control Register (PWC1/PWC2) Format ...................................................................
616
24-10
Address Wait Function Read/Write Timing .................................................................................................
618
24-11
Wait Control Spaces ....................................................................................................................................
622
24-12
Access Wait Function Read Timing ............................................................................................................
623
24-13
Access Wait Function Write Timing ............................................................................................................
625
24-14
Timing with External Wait Signal .................................................................................................................
627
24-15
Refresh Mode Register (RFM) Format .......................................................................................................
629
LIST OF FIGURES (11/12)
Figure No.
Title
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