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Part Name

COP684CS Datasheet

Part Name Description Manufacturer
COP684CS 8-Bit CMOS ROM Based Microcontrollers with 4k to 24k Memory, Comparators and USART National-Semiconductor
National ->Texas Instruments National-Semiconductor
COP888CG image

General Description
Note: COP8SG devices are form-fit-function compatible supersets of the COP888xG/CL/CS Family devices, and are replacements for these in new designs, and design upgrades with minimum effort.
The COP888xG ROM based microcontrollers are highly integrated COP8™ Feature core devices with larger memory (4k to 24k) and advanced features including two Analog comparators. These single-chip CMOS devices are suited for more complex applications requiring a full featured controller with a range of memory sizes, low EMI (except EG), comparators, and a full-duplex USART. Pin and software compatible (different VCC range) 8k toor 32k OTP (One Time Programmable) versions are available (COP8SGx7 Family). Erasable windowed versions are available for use with a range of software and hardware development tools.

Key Features
■ Full duplex USART
■ Three 16-bit timers, each with two 16-bit registers supporting:
   — Processor Independent PWM mode
   — External Event counter mode
   — Input Capture mode
■ Quiet design (low radiated emissions)
■ 4 to 24 kbytes on-board ROM
■ 128 to 512 bytes on-board RAM

Additional Peripheral Features
■ Idle Timer
■ Multi-Input Wake-Up (MIWU) with optional interrupts (8)
■ Two analog comparators (one for the CS series)
■ WATCHDOG and Clock Monitor logic

I/O Features
■ Memory mapped I/O
■ Software selectable I/O options (TRI-STATE® Output,
   Push-Pull Output, Weak Pull-Up Input, High Impedance Input)
■ Up to 8 high current outputs
■ Schmitt trigger inputs on ports G and L
■ Packages:
   — 44 PQFP with 40 I/O pins
   — 44 PLCC with 40 I/O pins
   — 40 DIP with 36 I/O pins
   — 28 DIP/SOIC with 24 I/O pins

CPU/Instruction Set Features
■ 1 µs instruction cycle time
■ Versatile and easy to use instruction set
■ Up to fourteen multi-source vectored interrupts servicing
   — External Interrupt with selectable edge
   — Idle Timer T0
   — Three Timers (one timer for the CS series)(each with 2 interrupts)
   — Multi-Input Wake-Up
   — Software Trap
   — USART (2)
   — Default VIS (default interrupt)
■ 8-bit Stack Pointer SP— (stack in RAM)
■ Two 8-bit Register Indirect Data Memory Pointers (B and X)

Fully Static CMOS
■ Two power saving modes: HALT and IDLE
■ Low current drain (typically <1 µA)
■ Single supply operation: 2.5V–5.5V (COP88x)
■ Temperature ranges:
   0˚C to +70˚C, −40˚C to +85˚C, and −55˚C to +125˚C

Development Support
■ Emulation and OTP devices
■ Real time emulation and full program debug offered by
   MetaLink’s Development System

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