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PDF D75006 Data sheet ( Hoja de datos )
| Número de pieza | D75006 | |
| Descripción | UPD75006 | |
| Fabricantes | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
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µPD75004, 75006, 75008
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75008 is one of the 75X Series 4-bit single-chip microcomputer.
In addition to high-speed operation with 0.95 µs minimum instruction execution time for the CPU, the
µPD75008 employs a serial bus interface with standard NEC format, the µPD75004 is a powerful product with
a high cost/performance ratio.
The µPD75P008 with PROM, which is provided with µPD75008, is applicable for evaluating systems under
development, or for small-scale production of developed systems.
Detailed functions are described in the following user’s manual. Be sure to read it for designing.
µPD7500X Series User’s Manual: IEM-5033
FEATURES
• Capable of high-speed operation and variable instruction execution time to power save
• 0.95 µs, 1.91 µs, 15.3 µs (Main system clock: operating at 4.19 MHz)
• 122 µs (Subsystem clock: operating at 32.768 kHz)
• 75X architecture comparable to that for an 8-bit microcomputer is employed
• Built-in NEC standard serial bus interface (SBI)
• Clock operation at reduced power dissipation (5 µA TYP. : operating at 3 V)
• Enhanced timer function (3 channels)
• Interrupt functions especially enhanced for applications, such as remote control receiver
APPLICATIONS
VCRs, CD players, telephones, cameras, blood pressure gauges, etc.
Unless otherwise specified, µPD75008 is treated as the representative model throughout this manual.
The information in this document is subject to change without notice.
Document No. IC-2633C
(O. D. No. IC-7673E)
Date Published November 1993 P
Printed in Japan
The mark 5 shows major revised points.
© NEC Corporation 1990
1 page  
µPD75004, 75006, 75008
12. PACKAGE DRAWINGS ...............................................................................................w..w..w.....D..a..t.a..S.h..e..et4U5.8com
13. RECOMMENDED SOLDERING CONDITIONS ............................................................................... 61
APPENDIX A. DEVELOPMENT TOOLS .............................................................................................. 62
APPENDIX B. RELATED DOCUMENTS .............................................................................................. 63
5
5 Page 
µPD75004, 75006, 75008
3.2 NON PORT PINS
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Also Served
Pin Name Input/Output As
Functon
TI0
PTO0
PCL
BUZ
SCK
SO/SB0
SI/SB1
INT4
Input
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input
P13 Timer/event counter external event pulse Input
P20 Timer/event counter output
P22 Clock output
P23
Fixed frequency output (for buzzer or for trim-
ming the system clock)
P01 Serial clock input/output
Serial data output
P02 Serial bus input/output
Serial data input
P03 Serial bus input/output
Edge detection vector interrupt input (both
P00 rising and falling edge detection are effective)
When Reset
Input
Input
Input/
Output
Circuit
TYPE*1
B -C
E-B
Input
E-B
Input
E-B
Input
F -A
Input
F -B
Input
M -C
Input
B
INT0
INT1
Input
P10 Edge detection vector
Clock synchronous
interrupt input (detection
P11 edge can be selected)
Asynchronous
Input
B -C
INT2
Input
Edge detection testable
P12 input (rising edge detection) Asynchronous
Input
B -C
KR0-KR3
KR4-KR7
Input/
Output
Input/
Output
X1, X2
Input
XT1
XT2
RESET
NC *2
VDD
VSS
Input
—
Input
—
—
—
P60-P63 Parallel falling edge detection testable input
P70-P73
—
—
—
Parallel falling edge detection testable input
To connect the crystal/ceramic oscillator to the
main system clock generator. When inputting the
external clock, input the external clock to pin X1,
and the reverse phase of the external clock to pin
X2.
To connect the crystal oscillator to the subsystem
clock generator.
When the external clock is used, pin XT1 inputs
the external clock. In this case, pin XT2 must be
left open.
System reset input
— No connection
— Positive power supply
— GND
Input
Input
Input
Input
—
—
—
—
—
F -A
F -A
—
—
B
—
—
—
*1: Circles indicate Schmitt trigger inputs.
2: When sharing the printed circut board with the µPD75P008, the NC pin must be directly
connected to VDD.
11
11 Page | ||
| Páginas | Total 66 Páginas | |
| PDF Descargar | [ Datasheet D75006.PDF ] | |
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