COP888XG_CS Datasheet, PDF (3/55 Pages) Texas Instruments – COP888xG/CS Family 8-Bit CMOS ROM Based Microcontrollers with 4k to 24k Memory, Comparators and USART

Key Features (Continued)
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^® Output,
Push-Pull Output, Weak Pull-Up Input, High Impedance
Input)
n Up to 8 high current outputs
n Schmitt trigger inputs on ports G and L
n 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
n 1 µs instruction cycle time
n Versatile and easy to use instruction set
Block Diagram
n 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)
— MICROWIRE/PLUS
— Multi-Input Wake-Up
— Software Trap
— USART (2)
— Default VIS (default interrupt)
n 8-bit Stack Pointer SP — (stack in RAM)
n Two 8-bit Register Indirect Data Memory Pointers
(B and X)
Fully Static CMOS
n Two power saving modes: HALT and IDLE
n Low current drain (typically <1 µA)
n Single supply operation: 2.5V–5.5V (COP88x)
n Temperature ranges:
0˚C to +70˚C, −40˚C to +85˚C, and −55˚C to +125˚C
Development Support
n Emulation and OTP devices
n Real time emulation and full program debug offered by
MetaLink’s Development System
FIGURE 1. COP888xG Block Diagram
DS012829-1
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