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參數(shù)資料
| 型號： | μPD780812GK |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Microcontrollers(8 位微控制器) |
| 中文描述： | 8位微控制器（8位微控制器） |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 27K |
| 代理商： | ΜPD780812GK |
Peripherals
–
46 general-purpose I/O pins
–
Two 16-bit timers
–
Two 8-bit timer/event counters
–
One real-time 32-kHz subsystem clock
–
One watchdog/interval timer
–
Serial channels
°
One synchronous channel
°
One UART with baud rate generator
–
CAN 2.0 B interface
°
500K baud at 8 MHz
°
Two transmit channels
°
16 message identifiers
°
288 bytes of RAM
–
Twelve-channel 8-bit A/D converter: 18 μs
conversion time
–
Main clock monitor by subsystem clock
Architecture
–
8-bit CPU
–
Instruction set that operates on bit, byte, or word operands
–
Four register banks; eight 8-bit registers per bank
Memory
–
64KB linear address space
–
16K/32K internal ROM
–
60K flash version
–
256 bytes EEPROM
–
Internal RAM
°
0.8K/1.3K/2K
°
Fully static operation
Interrupts
–
One non-maskable interrupt
–
Four external maskable interrupts
–
22 internal maskable interrupts
–
Automatic release of Halt and Stop modes
Low EMI emissions
F E A T U R E S
H A L T A N D S T O P M O D E S F O R μ P D 7 8 0 8 1 x
( T Y P I C A L P O W E R A T 8 M H
Z
)
O R D E R I N G I N F O R M A T I O N
K 0 F A M I L Y W I T H C A N I N T E R F A C E
P art Number
μPD780812GK
μPD780814GK
μPD78F0818GK
Internal R O M
16K mask ROM
32K mask ROM
60K flash
EEP R O M
256 bytes
256 bytes
256 bytes
P eripherals
ROM max.
RAM max.
Flash version
Timers
Serial channels
(with CAN)
8-bit A/D channels
General-purpose pins
LCD controller
Subsystem clock
Motor controller
μP D 780949
60K
2K
60K
6
4
μP D 780828
32K
2K
60K
6
3
μP D 780818
32K
2K
60K
6
3
8
78
40 x 4
Yes (RC)
–
5
59
28 x 4
–
Yes
12
46
–
Yes (RC)
–
Normal Mode:
Chip 100% On
Main and Subsystem
Clocks On
38 mW
Halt Mode:
CPU Clock Off
Main and Subsystem
Clocks On
4.8 mW
32-kHz Subsystem
Clock On
0.72 mW
No 32-kHz Subsystem
Clock
0.004 mW
Voltage
4 V
Stop Mode: Main Clock Off
1998 NEC Electronics Inc. NEC is either a trademark or a registered trademark of NEC Corporation in the United States and/or other countries. All other trademarks are the property of their respective owners. No part of this document may be
copied or reproduced in any form or by any means without the prior written consent of NEC Electronics Inc. (NECEL). The information in this document is subject to change without notice. ALL DEVICES SOLD BY NECEL ARE COVERED BY THE
PROVISIONS APPEARING IN NECEL TERMS AND CONDITIONS OF SALES ONLY, INCLUDING THE LIMITATION OF LIABILITY, WARRANTY, AND PATENT PROVISIONS. NECEL makes no warranty, express, statutory, implied, or by descrip-
tion, regarding information set forth herein or regarding the freedom of the described devices from patent infringement. NECEL assumes no responsibility for any errors that may appear in this document. NECEL makes no commitments to update
or to keep current information contained in this document. The devices listed in this document are not suitable for use in applications such as, but not limited to, aircraft control systems, aerospace equipment, submarine cables, nuclear reactor con-
trol systems, and life-support systems. “Standard” quality grade devices are recommended for computers, office equipment, communication equipment, test and measurement equipment, machine tools, industrial robots, audio and visual equip-
ment, and other consumer products. For automotive and transportation equipment, traffic control systems, and anti-disaster and anti-crime systems, it is recommended that the customer contact the responsible NECEL salesperson to determine
the reliability requirements for any such application and any cost adder. NECEL does not recommend or approve use of any of its products in life-support devices or systems or in any application where failure could result in injury or death. If cus-
tomers wish to use NECEL devices in applications not intended by NECEL, customers must contact the responsible NECEL salespeople to determine NECEL’s willingness to support a given application.
Document # U13841EU1V0PB00
For literature, call
1-800-366-9782
7 a.m. to 6 p.m. Pacific time
or fax your request to
1-800-729-9288
or visit our Web site at
www.nec.com
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