HYUNDAI MicroElectronics
GMS82512/16/24
Function
PIN NAME
In/Out
Basic
Alternate
VDD
VSS
-
-
Supply voltage
Circuit ground
Controls test mode of the chip,
For normal operation, it should be connected at VDD
TEST
I
.
RESET
XIN
I
I
Reset signal input
Oscillation input
XOUT
O
Oscillation output
R00~R07
I/O
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
R20~R27
I/O
R30~R33
I/O(I)
I/O
R34~R37
R40 (INT0)
R41 (INT1)
R42 (INT2)
R43 (INT3)
R44 (EC0)
R54 (WDTO)
R55 (BUZ)
R64~R67 (AN4~AN7)
AVDD
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (O)
I/O (O)
I/O (I)
-
External interrupt 0 input
External interrupt 1 input
External interrupt 2 input
External interrupt 3 input
Timer/Counter 0 external input
Watchdog timer overflow output
Buzzer driving output
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
Analog voltage input
Supply voltage input pin for ADC
Table 5-1 Port Function Description
FEB. 2000 Ver 1.00
7
HYNIX [ HYNIX SEMICONDUCTOR ]
