cop888kg National Semiconductor Corporation, cop888kg Datasheet - Page 2

• Manufacturer Part Number: cop888kg
• Description: 8-bit Cmos Rom Based Microcontrollers With 4k To 24k Memory, Comparators And Usart
• Manufacturer: National Semiconductor Corporation

www.national.com
Key Features
Additional Peripheral Features
n Idle Timer
n Multi-Input Wake-Up (MIWU) with optional interrupts (8)
n Two analog comparators (one for the CS series)
n WATCHDOG and Clock Monitor logic
n MICROWIRE/PLUS serial I/O
I/O Features
n Memory mapped I/O
n Software selectable I/O options (TRI-STATE
n Up to 8 high current outputs
n Schmitt trigger inputs on ports G and L
n Packages:
CPU/Instruction Set Features
n 1 µs instruction cycle time
n Versatile and easy to use instruction set
Block Diagram
Push-Pull Output, Weak Pull-Up Input, High Impedance
Input)
— 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
(Continued)
FIGURE 1. COP888xG Block Diagram
®
Output,
2
n Up to fourteen multi-source vectored interrupts servicing
n 8-bit Stack Pointer SP — (stack in RAM)
n Two 8-bit Register Indirect Data Memory Pointers
Fully Static CMOS
n Two power saving modes: HALT and IDLE
n Low current drain (typically
n Single supply operation: 2.5V–5.5V (COP88x)
n Temperature ranges:
Development Support
n Emulation and OTP devices
n Real time emulation and full program debug offered by
MetaLink’s Development System
— External Interrupt with selectable edge
— Idle Timer T0
— Three Timers (one timer for the CS series)(each with
— MICROWIRE/PLUS
— Multi-Input Wake-Up
— Software Trap
— USART (2)
— Default VIS (default interrupt)
(B and X)
0˚C to +70˚C, −40˚C to +85˚C, and −55˚C to +125˚C
2 interrupts)
<
1 µA)
DS012829-1