GMS81508B HYNIX [Hynix Semiconductor], GMS81508B Datasheet - Page 12

• Manufacturer Part Number: GMS81508B
• Description: HYUNDAI MICRO ELECTRONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: HYNIX [Hynix Semiconductor]

HYUNDAI MicroElectronics
DEC. 1999 Ver 1.04
V
V
TEST
RESET
X
X
R00~R07
R10~R17
R20~R27
R30~R37
R40 (INT0)
R41 (INT1)
R42 (INT2)
R43 (INT3)
R44 (EC0)
R45 (EC2)
R46 (T1O)
R47 (T3O)
R50 (SIN)
R51 (SOUT)
R52 (SCLK)
R53 (SRDY)
R54 (WDTO)
R55 (BUZ)
R56 (PWM0)
R57 (PWM1)
R60~R63 (AN0~AN3)
R64~R67 (AN4~AN7)
AV
AV
DD
SS
IN
OUT
SS
DD
PIN NAME
I/O (I/O)
I/O (I/O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
In/Out
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I (I)
I/O
I/O
I/O
I/O
O
-
-
I
I
I
-
-
Supply voltage
Circuit ground
Controls test mode of the chip,
For normal operation, it should be connected at V
Reset signal input
Oscillation input
Oscillation output
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
8-bit general I/O ports
General input ports
General I/O ports
Ground level input pin for ADC
Supply voltage input pin for ADC
Table 5-1 Port Function Description
Basic
Function
External interrupt 1 input
External interrupt 2 input
External interrupt 3 input
Serial data output
Serial clock I/O
Receive enable I/O
Watchdog timer overflow output
Buzzer driving output
External interrupt 0 input
Timer/Counter 0 external input
Timer/Counter 2 external input
Timer/Counter 1 output
Timer/Counter 3 output
Serial data input
PWM pulse output
Analog voltage input
DD
.
GMS81508B/16B/24B
Alternate
9