GMS90X5XC Series | HYUNDAI MicroElectronics |
FUNCTIONAL DESCRIPTION
The GMS90X5XC series is fully compatible to the standard 8051 microcontroller family.
It is compatible with the general 8051 family. While maintaining all architectural and operational characteristics of the general 8051 family.
Figure 1 shows a block diagram of the GMS90X5XC series
XTAL1 
XTAL2 
RESET
EA/VPP
ALE/PROG
PSEN
OSC & TIMING
CPU
Timer 0
Timer 1
Timer 2
Interrupt Unit
Serial Channel
|
|
| RAM |
| ROM/EPROM | ||||||
|
| 128/256×8 |
| 4K/8K/16K | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Port 0
Port 1
Port 2
Port 3
Port 0
Port 1
Port 2
Port 3
Figure 1. Block Diagram of the GMS90X5XC series
Jan. 2001 Ver 1.0 | 9 |
