GMS81C7216 Datasheet, PDF (11/121 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C7208/7216
6. PORT STRUCTURES
PIN NAME
(Alternate)
V_DD
V_SS
RESET
AV_DD
AV_SS
X_IN
X_OUT
BIAS
VCL0~VCL2
COM0
COM1(SEG26)
COM2(SEG25)
COM3(SEG24)
R00 (INT0)
R01 (INT1)
R02 (INT2)
R03 (EC0)
R04 (EC2)
R05 (SCK)
R06 (SO)
R07 (SI)
R21~R23(AN1~AN3)
R30(BUZO)
SEG0 ~ SEG7
(R40~R47)
SEG8 ~ SEG11
(R50~R53)
SEG16 ~ SEG20
(R60~R64)
In/Out
(Alternate)
Basic
-
Supply Voltage
-
Circuit Ground
I
Reset Signal Input
-
Supply Voltage Input Pin for ADC
-
Ground Level Input Pin for ADC
I
Oscillation Input
O
Oscillation Output
I
LCD Bias Voltage Input
I
LCD Driver Power Supply
O
LCD Common Signal Output
O(O)
O(O) LCD Common Signal Output
O(O)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
I/O (I)
8-bit General I/O Ports
I/O (I/O)
I/O (O)
I/O (I)
I/O(I) 3-bit General I/O Ports
I/O(O) 1-bit General I/O Ports
O (I/O) LCD Segment Signal Output
O (I/O) LCD Segment Signal Output
O (I/O) LCD Segment Signal Output
Function
Alternate
LCD Segment Signal output
External Interrupt 0 Input
External Interrupt 1 Input
External Interrupt 2 Input
Timer/Counter 0 External Input
Timer/Counter 1 External Input
Serial Clock I/O
Serial Data Output
Serial Data Input
Analog Voltage Input
Buzzer Driving Output
8-bit General I/O Ports
4-bit General I/O Ports
5-bit General I/O Ports
Table 6-1 Port Function Description
FEB. 2005 Ver 1.04
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