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780204 の電気的特性と機能

780204のメーカーはNECです、この部品の機能は「UPD780204」です。


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部品番号 780204
部品説明 UPD780204
メーカ NEC
ロゴ NEC ロゴ 




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780204 Datasheet, 780204 PDF,ピン配置, 機能
User’s Manual
µPD780208 Subseries
8-Bit Single-Chip Microcontrollers
µPD780204
µPD780204A
µPD780205
µPD780205A
µPD780206
µPD780208
µPD78P0208
Document No. U11302EJ4V0UM00 (4th edition)
Date Published July 2003 N CP(K)
c
Printed in Japan

1 Page





780204 pdf, ピン配列
NOTES FOR CMOS DEVICES
1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS
Note:
Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and
ultimately degrade the device operation. Steps must be taken to stop generation of static electricity
as much as possible, and quickly dissipate it once, when it has occurred. Environmental control
must be adequate. When it is dry, humidifier should be used. It is recommended to avoid using
insulators that easily build static electricity. Semiconductor devices must be stored and transported
in an anti-static container, static shielding bag or conductive material. All test and measurement
tools including work bench and floor should be grounded. The operator should be grounded using
wrist strap. Semiconductor devices must not be touched with bare hands. Similar precautions need
to be taken for PW boards with semiconductor devices on it.
2 HANDLING OF UNUSED INPUT PINS FOR CMOS
Note:
No connection for CMOS device inputs can be cause of malfunction. If no connection is provided
to the input pins, it is possible that an internal input level may be generated due to noise, etc., hence
causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels
of CMOS devices must be fixed high or low by using a pull-up or pull-down circuitry. Each unused
pin should be connected to VDD or GND with a resistor, if it is considered to have a possibility of
being an output pin. All handling related to the unused pins must be judged device by device and
related specifications governing the devices.
3 STATUS BEFORE INITIALIZATION OF MOS DEVICES
Note:
Power-on does not necessarily define initial status of MOS device. Production process of MOS
does not define the initial operation status of the device. Immediately after the power source is
turned ON, the devices with reset function have not yet been initialized. Hence, power-on does
not guarantee out-pin levels, I/O settings or contents of registers. Device is not initialized until the
reset signal is received. Reset operation must be executed immediately after power-on for devices
having reset function.
FIP and IEBus are trademarks of NEC Electronics Corporation.
MS-DOS, Windows, and Windows NT are either registered trademarks or trademarks of Microsoft Corporation
in the United States and/or other countries.
IBM DOS, PC/AT, and PC DOS are trademarks of International Business Machines Corporation.
HP9000 series 700 and HP-UX are trademarks of Hewlett-Packard Company.
SPARCstation is a trademark of SPARC International, Inc.
Solaris and SunOS are trademarks of Sun Microsystems, Inc.
TRON stands for The Realtime Operating system Nucleus.
ITRON is an abbreviation of Industrial TRON.
User’s Manual U11302EJ4V0UM
3


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Major Revisions in This Edition
Description
Addition of the following products to target products
µPD780204A
µPD780205A
Deletion of the following package from target products
µPD78P0208KL-T (100-pin ceramic WQFN)
CHAPTER 1 OUTLINE
• Update of 1.6 78K/0 Series Lineup
• Addition of Note in 1.8 Overview of Functions
• Addition of Caution in Table 1-1 Mask Options in Mask ROM Versions
CHAPTER 2 PIN FUNCTIONS
• Addition of 2.2.12 VLOAD
• Modification of Table 2-1 Types of Pin I/O Circuits
CHAPTER 3 CPU ARCHITECTURE
• Addition of Caution in 3.1 Memory Space
• Modification of Note in Table 3-3 Special-Function Register List
CHAPTER 4 PORT FUNCTIONS
• Addition of Caution in 4.2.6 Port 8
• Addition of Caution in 4.2.7 Port 9
• Addition of Caution in 4.2.8 Port 10
• Addition of Caution in 4.2.9 Port 11
• Addition of Caution in 4.2.10 Port 12
CHAPTER 5 CLOCK GENERATOR
• Addition of Note in Figure 5-3 Format of Processor Clock Control Register
CHAPTER 6 16-BIT TIMER/EVENT COUNTER
• Modification of Caution in Figure 6-8 Format of External Interrupt Mode Register
• Modification of 6.6 (5) Valid edge setting
CHAPTER 8 WATCH TIMER
• Modification of Caution in Figure 8-2 Format of Timer Clock Select Register 2
CHAPTER 9 WATCHDOG TIMER
• Modification of Caution in Figure 9-2 Format of Timer Clock Select Register 2
CHAPTER 11 BUZZER OUTPUT CONTROLLER
• Modification of Caution in Figure 11-2 Format of Timer Clock Select Register 2
CHAPTER 16 INTERRUPT AND TEST FUNCTIONS
• Addition of Caution in Figure 16-2 Format of Interrupt Request Flag Register
• Modification of Caution in Figure 16-5 Format of External Interrupt Mode Register
CHAPTER 17 STANDBY FUNCTION
• Addition of description in Table 17-1 HALT Mode Operating Status
• Addition of description in Table 17-3 STOP Mode Operating Status
CHAPTER 19 µPD78P0208
• Modification of Table 19-2 Internal Memory Size Switching Register Setting Values
APPENDIX A DIFFERENCES BETWEEN µPD78044H, 780228, AND 780208 SUBSERIES
• Modification of description in Table A-1 Major Differences Between µPD78044H, 780228, and
780208 Subseries
APPENDIX B DEVELOPMENT TOOLS
• Modification of description
The mark shows major revised points.
6 User’s Manual U11302EJ4V0UM

6 Page



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部品番号部品説明メーカ
780204

UPD780204

NEC
NEC


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