COP688CL Datasheet, PDF (1/40 Pages) National Semiconductor (TI) – General Description

September 1996
COP688CL COP684CL COP888CL COP884CL
COP988CL COP984CL 8-Bit Microcontroller
General Description
The COP888 family of microcontrollers uses an 8-bit single
chip core architecture fabricated with National Semiconduc-
tor’s M²CMOS^TM process technology The COP888CL is a
member of this expandable 8-bit core processor family of
microcontrollers
(Continued)
Key Features
Y _{Two 16-bit timers each with two 16-bit registers}
supporting
Processor Independent PWM mode
External Event counter mode
Input Capture mode
Y _{4 kbytes of on-chip ROM}
Y _{128 bytes of on-chip RAM}
Additional Peripheral Features
Y _{Idle Timer}
Y _{Multi-input Wake Up (MIWU) with optional interrupts (8)}
Y _WATCHDOGTM _{and Clock Monitor logic}
Y _{MICROWIRE PLUS}TM _{serial I O}
I O Features
Y _{Memory mapped I O}
Y _{Software selectable I O options (TRI-STATE Output}
Push-Pull Output Weak Pull-Up Input High Impedance
Input)
Y _{High current outputs}
Y _{Schmitt trigger inputs on port G}
Y _Packages
44 PLCC with 40 I O pins
40 DIP with 36 I O pins
28 DIP with 24 I O pins
28 SO with 24 I O pins
CPU Instruction Set Feature
Y _{1 ms instruction cycle time}
Y _{Ten multi-source vectored interrupts servicing}
External Interrupt with selectable edge
Idle Timer T0
Timers (Each with 2 interrupts)
MICROWIRE PLUS
Multi-Input Wake Up
Software Trap
Default VIS (default interrupt)
Y _{Versatile and easy to use instruction set}
Y _{8-bit Stack Pointer (SP) stack in RAM}
Y _{Two 8-bit Register Indirect Data Memory Pointers (B X)}
Fully Static CMOS
Y _{Low current drain (typically} k _{1 mA)}
Y _{Single supply operation 2 5V to 6 0V}
Y _{Temperature ranges 0 C to} a_{70 C} b_{40 C to} a_{85 C}
b55 C to a125 C
Development Support
Y _{Emulation and OTP devices}
Y _{Real time emulation and full program debug offered by}
MetaLink Development System
Block Diagram
FIGURE 1 Block Diagram
TL DD 9766 – 1
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE PLUSTM M2CMOSTM COPSTM microcontrollers WATCHDOGTM and MICROWIRETM are trademarks of National Semiconductor Corporation
iceMASTERTM is a trademark of MetaLink Corporation
C1996 National Semiconductor Corporation TL DD 9766
RRD-B30M96 Printed in U S A
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