COP888CG
COP888CG is 8-Bit CMOS ROM Based Microcontrollers with 4k to 24k Memory/ Comparators and USART manufactured by National Semiconductor.
Description
The COP888 family of microcontrollers uses an 8-bit single chip core architecture fabricated with National Semiconductor’s M2CMOSTM process technology The COP888CG is a member of this expandable 8-bit core processor family of microcontrollers (Continued)
Schmitt trigger inputs on Port G 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
Key Features
CPU Instruction Set Feature
Full duplex UART 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 kbytes of on-chip ROM 192 bytes of on-chip RAM
Additional Peripheral Features
Y Y Y Y Y
Idle timer Multi-Input Wake Up (MIWU) with optional interrupts (8) Two analog parators WATCHDOGTM and Clock Monitor logic MICROWIRE PLUSTM serial I O
1 ms instruction cycle time Fourteen multi-source vectored interrupts servicing External interrupt with selectable edge Idle timer T0 Three timers (each with 2 interrupts) MICROWIRE PLUS Multi-Input WAke Up Software trap UART (2) Default VIS (default interrupt) Versatile and easy to use instruction set 8-bit Stack Pointer (SP) stack in RAM Two 8-bit register indirect data memory pointers (B X)
Fully Static CMOS
I O Features
Low current drain (typically k 1 m A) Single supply operation 2 5V to 6 0V Temperature range b40 C to a 85 C
Memory mapped I O Software selectable I O options (TRI-STATE output push-pull output weak pull-up input high impedance input) High current outputs
Development Support
Emulation and OTP devices Real time emulation and full program debug offered by Meta Link Development System
Block Diagram
TL DD 9765
- 1
FIGURE 1 Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation MICROWIRE PLUSTM M2CMOSTM COP8TM microcontrollers MICROWIRETM and WATCHDOGTM are trademarks of National Semiconductor...