參數(shù)資料
型號: GMS87C7216LQ
廠商: Electronic Theatre Controls, Inc.
元件分類: 數(shù)學(xué)處理器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁數(shù): 11/121頁
文件大小: 1645K
代理商: GMS87C7216LQ
GMS81C7208/7216
FEB. 2005 Ver 1.04
7
6. PORT STRUCTURES
PIN NAME
(Alternate)
In/Out
(Alternate)
Function
Basic
Alternate
V
DD
V
SS
RESET
-
Supply Voltage
-
Circuit Ground
I
Reset Signal Input
AV
DD
AV
SS
X
IN
X
OUT
BIAS
-
Supply Voltage Input Pin for ADC
-
Ground Level Input Pin for ADC
I
Oscillation Input
O
Oscillation Output
I
LCD Bias Voltage Input
VCL0~VCL2
I
LCD Driver Power Supply
COM0
O
LCD Common Signal Output
COM1(SEG26)
O(O)
LCD Common Signal Output
LCD Segment Signal output
COM2(SEG25)
O(O)
COM3(SEG24)
O(O)
R00 (INT0)
I/O (I)
8-bit General I/O Ports
External Interrupt 0 Input
R01 (INT1)
I/O (I)
External Interrupt 1 Input
R02 (INT2)
I/O (I)
External Interrupt 2 Input
R03 (EC0)
I/O (I)
Timer/Counter 0 External Input
R04 (EC2)
I/O (I)
Timer/Counter 1 External Input
R05 (SCK)
I/O (I/O)
Serial Clock I/O
R06 (SO)
I/O (O)
Serial Data Output
R07 (SI)
I/O (I)
Serial Data Input
R21~R23(AN1~AN3)
I/O(I)
3-bit General I/O Ports
Analog Voltage Input
R30(BUZO)
I/O(O)
1-bit General I/O Ports
Buzzer Driving Output
SEG0 ~ SEG7
(R40~R47)
O (I/O)
LCD Segment Signal Output
8-bit General I/O Ports
SEG8 ~ SEG11
(R50~R53)
O (I/O)
LCD Segment Signal Output
4-bit General I/O Ports
SEG16 ~ SEG20
(R60~R64)
O (I/O)
LCD Segment Signal Output
5-bit General I/O Ports
Table 6-1 Port Function Description
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