F a c e l e TM990 microcomputer
 
fun and passion    
for  
     

HOME  Museum  History  Link  Shop  Games

 
 

 

 

 

 

 

 

 

 

 

 

 

 TM990 / 189 Microcomputer ( 1979)


 The TM990/189 is a self- contained, single board microcomputer system. It is intended for use as a learning aid in instruction of microcomputer fundamentals, machine and assembly language programming, and microcomputer interfacing. It also demostrates TMS 9900 family applications and advanteges.

- TMS9980a microprocessor
-1024 bytes RAM
- 4096 bytes ROM
- 2 mhz oscillator
- audio cassette interfaces
- 16 biti I/O programmable
- 45 key alphanumeric keyboard
- Ten-digit, sevn-segment led
- Visual and acoustic indicators
- TMS9902 asynchronous communication controllers

 Il TM990/189 un sistema a microcomputer in una unica pcb. Essa destinata ad essere utilizzata come un aiuto per l'apprendimento e nell'istruzione dei fondamentali riguardante imicrocomputer, ma sopratutto la programmazione in linguaggio assember, e nell' interfacciamento di microcomputer. A dimostrazione delle applicazioni della famiglia dei TMS 9900.

- TMS9980a microprocessore
-1024 bytes RAM  ( read access memory )
- 4096 bytes ROM ( read only memory )
- 2 mhz oscillator
- audio cassette interfaces
- 16 biti I/O programmable
- 45 key alphanumeric keyboard
- Ten-digit, sevn-segment led
- Visual and acoustic indicators
- TMS9902 asynchronous communication controller