GMS81C50 Datasheet, PDF (6/99 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCONTROLLERS

HYUNDAI
2. BLOCK DIAGRAM
GMS81C50 Series
G8MC
Core
REMOUT
R17 / T0
R16 / T1
R15 / T2
R14 / EC
R12 / INT2
R11 / INT1
R00 ~ R07
R10 ~ R17
Watchdog
Timer
Timer
Interrupt
Key Scan
INT.
Generation
Block
TEST
RESET
XIN
XOUT
Clock Gen.
&
System
Control
VDD VSS
RAM
(448byte)
ROM
(32 Kbyte)
Prescaler
&
B.I.T
R0
R00 ~ R07
Port
R1
Port
R10 ~ R17
R2
R20 ~ R27
Port
R3
Port
R30 ~ R37
R4
R40
Port
3