GMS81504 Datasheet, PDF (2/54 Pages) List of Unclassifed Manufacturers – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

GMS81504
BLOCK DIAGRAM
HYUNDAI MicroElectronics
BIT*
TIMER 0
TIMER 1
RAM
128 x 8
CPU
ROM
4K x 8
PORT 0
BUZZER _{PORT 4}
ADC
PORT 5
EXT INT
PORT 6
8
I/O
R00~R07
8
I/O
R40~R47
R55/BUZ
R56**
R57**
R64
R65
R66
R67
* BIT: Basic Interval Timer
** The R56, R57 port are not served on 28SOP package.
Figure 1. Block Diagram
2