Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF HTML

UPD784054 Datasheet(PDF) 4 Page - NEC

Part No. UPD784054
Description  16-BIT SINGLE-CHIP MICROCONTROLLER
Download  86 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  NEC [NEC]
Homepage  http://www.nec.com/
Logo 

UPD784054 Datasheet(HTML) 4 Page - NEC

 
Zoom Inzoom in Zoom Outzoom out
 4 / 86 page
background image
µPD784054(A)
4
FUNCTION LIST
Item
Function
Number of basic
113
instructions (mnemonics)
General-purpose register
8 bits
× 16 registers × 8 banks, or 16 bits × 8 registers × 8 banks (memory mapping)
Minimum instruction
• 160 ns (with internal 12.5-MHz clock):
µPD784054(A)
execution time
• 200 ns (with internal 10-MHz clock)
:
µPD784054(A1), (A2)
Internal
ROM
32K bytes
memory
RAM
1024 bytes
Memory space
1M bytes with program/data combined
I/O port
Total
64 pins
Input
17 pins
I/O
47 pins
Pins with
Pins with 29 pins
ancillary
pull-up
functionsNote resistors
Timer
Timer 0
: Timer register
× 1,
Pulse output possible
(16 bits)
capture/compare register
× 4
• Toggle output
• Set/reset output
Timer 1
: Timer register
× 1,
Pulse output possible
(16 bits)
compare register
× 2
• Toggle output
• Set/reset output
Timer 4
: Timer register
× 1,
(16 bits)
compare register
× 2
A/D converter
10-bit resolution
× 16 channels
Serial interface
UART/IOE (3-wire serial I/O): 2 channels (with baud rate generator)
Watchdog timer
1 channel
Interrupt
Hardware source
23 (internal: 19, external: 8 (internal/external: 4))
Software source
BRK instruction, BRKCS instruction, operand error
Non-maskable
Internal: 1, external: 1
Maskable
Internal: 18, external: 7 (internal/external: 4)
• 4 levels of programmable priorities
• 3 processing formats: vectored interrupt/macro service/context switching
Bus sizing
8-bit/16-bit external data bus width selectable
Standby
HALT/STOP/IDLE/standby function invalid mode
Supply voltage
VDD = 4.5 to 5.5 V
Package
80-pin plastic QFP (14
× 14 mm)
Note
The pins with ancillary functions are included in the I/O pins.


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72  73  74  75  76  77  78  79  80  81  82  83  84  85  86 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn