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參數資料
| 型號： | COP8ACC720N8-XE |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | JT 5C 5#16 SKT PLUG |
| 中文描述： | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數： | 1/40頁 |
| 文件大小： | 521K |
| 代理商： | COP8ACC720N8-XE |
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COP8ACC7
8-Bit CMOS OTP Microcontroller with 16k Memory and
High Resolution A/D
General Description
The COP8ACC7 OTP (One Time Programmable) microcon-
trollers are highly integrated COP8
Feature core devices
with 16k memory and advanced features including a High-
Resolution A/D. This multi-chip CMOS device is suited for
applications requiring a full featured controller with a high
resolution A/D (only one external capacitor required), and for
pre-production devices for a ROM design. Pin and software
compatible (different V
range) 4k ROM versions are avail-
able (COPACC5). Erasable windowed versions are available
for use with a range of COP8 software and hardware devel-
opment tools.
Family features include an 8-bit memory mapped architec-
ture, 4 MHz CKI with 2.5 μs instruction cycle, two external
clock options (–XE = Crystal; –RE = RC), 6 channelA/D with
12-bit resolution, analog capture timer, analog current
source and V
/2 reference, one multi-function 16-bit timer/
counter, MICROWIRE/PLUS
serial I/O, two power saving
HALT/IDLE modes, MIWU, high current outputs, software
selectable I/O options, WATCHDOG
timer and Clock Moni-
tor, 2.7V to 5.5V operation, program code security, and
20/28 pin packages.
Device included in this datasheet is:
Device
Memory (bytes)
16k OTP EPROM
16k OTP EPROM
RAM (bytes)
128
128
I/O Pins
15/23
15/23
Packages
Temperature
0 to +70C
-40 to +85C
COP8ACC7xxx9
COP8ACC7xxx8
20 SOIC, 28 DIP/SOIC
20 SOIC, 28 DIP/SOIC
Key Features
n
Analog Function Block with 12-bit A/D including:
— Analog comparator with seven input muxes
— Constant Current Source and V
/2 Reference
— 16-bit capture timer (upcounter) clocked from CKI
with auto reset on timer startup
n
Quiet design (reduced radiated emissions)
n
4096 bytes on-board OTP EPROM with security feature
n
128 bytes on-board RAM
Additional Peripheral Features
n
Idle Timer
n
One 16-bit timer with two 16-bit registers supporting:
— Processor Independent PWM mode
— External Event counter mode
— Input Capture mode
n
Multi-Input Wake-Up (MIWU) with optional interrupts
n
WATCHDOG and clock monitor logic
n
MICROWIRE/PLUS serial I/O with programmable shift
clock-polarity
I/O Features
n
Software selectable I/O options (Push-Pull Output, Weak
Pull-Up Input, High Impedance Input)
n
High current outputs
n
Schmitt Trigger inputs on ports G and L
n
Packages:
— 28 DIP/SO with 23 I/O pins
— 20 SO with 15 I/O pins
CPU/Instruction Set Features
n
2.5 μs instruction cycle time
n
Eight multi-source vectored interrupt servicing:
— External Interrupt
— Idle Timer T0
— Timer T1 associated Interrupts
— MICROWIRE/PLUS
— Multi-Input Wake Up
— Software Trap
— Default VIS
— A/D (Capture Timer)
n
8-bit Stack Pointer (SP)— stack in RAM
n
Two 8-bit Registers Indirect Data Memory Pointers
(B and X)
Fully Static CMOS
n
Two power saving modes: HALT and IDLE
n
Temperature ranges: 0C to +70C, 40C to +85C
n
Available with Crystal (-XE) or R/C (-RE) oscillator
Development System
n
Emulation device for COP8ACC5
n
Real time emulation and full program debug offered by
MetaLink
development system
Applications
n
Battery Chargers
n
Appliances
n
Data Acquisition systems
Driveway
is a trademark of Aisys Intelligent Systems.
COP8
, MICROWIRE
, MICROWIRE/PLUS
, and WATCHDOG
are trademarks of National Semiconductor Corporation.
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
iceMASTER
is a registered trademark of MetaLink Corporation.
May 1999
C
1999 National Semiconductor Corporation
DS012869
www.national.com
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