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COP8ACC5 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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Part No. COP8ACC5
Description  8-Bit CMOS ROM Based Microcontrollers with 4k Memory and High Resolution A/D
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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COP8ACC5
8-Bit CMOS ROM Based Microcontrollers with 4k
Memory and High Resolution A/D
General Description
The COP8ACC5 ROM based microcontrollers are highly in-
tegrated COP8Feature core devices with 4k memory and
advanced features including a High-Resolution A/D. These
single-chip CMOS devices are suited for applications requir-
ing a full featured, low EMI controller with an A/D (only one
external capacitor required). COP8ACC7 devices are pin
and software compatible (different V
CC range) 16k OTP
EPROM versions for pre-production. Erasable windowed
versions are available for use with a range of COP8 software
and hardware development tools.
Family features include an 8-bit memory mapped architec-
ture, 4 MHz CKI with 2.5µs instruction cycle, 6 channel A/D
with 12-bit resolution, analog capture timer, analog current
source and V
CC/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, WATCHDOGtimer and Clock Moni-
tor, Low EMI 2.5V to 5.5V operation and 20/28 pin packages.
Devices included in this datasheet are:
Device
Memory (bytes)
RAM (bytes)
I/O Pins
Packages
Temperature
COP8ACC5xxx9
4k ROM
128
15/23
20 SOIC, 28 DIP/SOIC
0 to +70˚C
COP8ACC5xxx8
4k ROM
128
15/23
20 SOIC, 28 DIP/SOIC
-40 to +85˚C
Key Features
n Analog Function Block with 12-bit A/D including
— Analog comparator with seven input mux
— Constant Current Source and V
CC/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 ROM
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/PLUSserial 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 Single supply operation: 2.5V to 5.5V
n Temperature ranges: 0˚C to +70˚C, −40˚C to +85˚C
Development System
n Emulation and OTP devices
n Real time emulation and full program debug offered by
MetaLink development system
Applications
n Battery Chargers
n Appliances
n Data Acquisition systems
COP8, MICROWIRE, MICROWIRE/PLUS, and WATCHDOGare 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
© 1999 National Semiconductor Corporation
DS012865
www.national.com




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