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PDF D75108CW Data sheet ( Hoja de datos )

Número de pieza D75108CW
Descripción UPD75108CW
Fabricantes NEC 
Logotipo NEC Logotipo



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No Preview Available ! D75108CW Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75104, 75106, 75108
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
µPD75108 is a 4-bit single-chip microcomputer integrating timer/event counters, serial interface, and vector
interrupt function, in addition to a CPU, ROM, RAM, and I/O ports, on a single chip. Operating at high speeds,
the microcomputer allows data to be manipulated in units of 1, 4, or 8 bits. In addition, various bit manipulation
instructions are provided to reinforce I/O manipulation capability. Equipped with I/Os for interfacing with
peripheral circuits operating on a different supply voltage, outputs that can directly drive LEDs, and analog
inputs, µPD75108 is suitable for controlling such systems as VTRs, acoustic products, button telephones, radio
www.DataSchoemet4mUu.cnoimcations equipment, and printers. A pin-compatible EPROM model is also available for evaluation of
system development and small-scale production of application systems.
Detailed functions are described in the following user’s manual. Be sure to read it for designing.
µPD751XX Series User’s Manual: IEM-922
FEATURES
Internal memory
• Program memory (ROM)
: 8068 × 8 bits (µPD75108)
: 6016 × 8 bits (µPD75106)
: 4096 × 8 bits (µPD75104)
• Data memory (RAM)
: 512 × 4 bits (µPD75108)
: 320 × 4 bits (µPD75106, 75104)
New architecture “75X series” rivaling 8-bit microcomputers
43 systematically organized instructions
• A wealth of bit manipulation instructions
• 8-bit data transfer, compare, operation, increment, and decrement instructions
• 1-byte relative branch instructions
• GETI instruction executing 2-/3-byte instruction with one byte
High speed. Minimum instruction execution time: 0.95 µs (at 4.19 MHz), 5 V
Power-saving, instruction time change function: 0.95 µs/1.91 µs/15.3 µs (at 4.19 MHz)
I/O port pins as many as 58
Three channels of 8-bit timers
8-bit serial interface
Multiplexed vector interrupt function
Model with PROM is available: µPD75P108B (One-time PROM, EPROM)
Unless there are differences among µPD75104, 75106, and 75108 functions, µPD75108 is treated as the
representative model throughout this manual.
The information in this document is subject to change without notice.
Document No. IC-2520B
(O. D. No. IC-6906B)
Date Published January 1994 P
Printed in Japan
The mark 5 shows major revised points.
© NEC Corporation 1989

1 page




D75108CW pdf
µPD75104, 75106, 75108
10. APPLICATION EXAMPLES .............................................................................................................. 43
10.1 VTR SYSTEM CONTROLLER ............................................................................................................... 43
10.2 VTR CAMERA ........................................................................................................................................ 43
10.3 COMPACT DISC PLAYER ..................................................................................................................... 44
10.4 AUTOMOBILE APPLICATIONS (TRIP COMPUTER) ............................................................................ 44
10.5 PUSHBUTTON TELEPHONE ................................................................................................................ 45
10.6 DISPLAY PAGER ................................................................................................................................... 45
10.7 PLAIN PAPER COPIER (PPC) ............................................................................................................... 46
10.8 PRINTER CONTROLLER ....................................................................................................................... 46
11. MASK OPTION SELECTION ........................................................................................................... 47
12. ELECTRICAL SPECIFICATIONS ...................................................................................................... 48
www.DataS1h3e.et4CUH.cAomRACTERISTIC DATA ................................................................................................................ 57
14. PACKAGE DRAWINGS ................................................................................................................... 62
15. RECOMMENDED SOLDERING CONDITIONS ............................................................................... 65
APPENDIX A. FUNCTIONAL DIFFERENCES AMONG PRODUCTS IN µPD751XX SERIES ......... 66
APPENDIX B. DEVELOPMENT TOOLS .............................................................................................. 67
APPENDIX C. RELATED DOCUMENTS .............................................................................................. 68
5

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D75108CW arduino
µPD75104, 75106, 75108
3.3 PIN INPUT/OUTPUT CIRCUITS
The following shows a simplified input/output circuit diagram for each pin of the µPD75108.
TYPE A
TYPE E
VDD
P–ch
IN
N–ch
data
output
disable
Type D
IN/OUT
Type A
Input buffer of CMOS standard
www.DataSheet4U.com
TYPE B
I/O circuit consisting of Type D push-pull output circuit
and Type A input buffer
TYPE F
data
IN/OUT
IN Type D
output
disable
Type B
Schmitt trigger input with hysteresis characteristics
TYPE D
data
output
disable
VDD
P-ch
OUT
N-ch
I/O circuit consisting of Type D push-pull output and Type
B Schmitt trigger input
TYPE M
V DD
P.U.R.
(mask option)
IN/OUT
data
output
disable
N-ch
(+12 V
withstand)
Push – pull output that can be set in a output
high– impedance state (both P –ch and N –ch are off)
Medium-voltage input
buffer (+12 V withstand)
P.U.R.: Pull-Up Resistor
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