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GMS87C5108Q 参数 Datasheet PDF下载

GMS87C5108Q图片预览
型号: GMS87C5108Q
PDF下载: 下载PDF文件 查看货源
内容描述: [Microcontroller, 8-Bit, OTPROM, 4.19MHz, CMOS, PQFP80, QFP-80]
分类和应用: 微控制器和处理器可编程只读存储器
文件页数/大小: 102 页 / 1525 K
品牌: HYNIX [ HYNIX SEMICONDUCTOR ]
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GMS81C5108  
5. PIN FUNCTION  
VDD  
:
Supply voltage.  
used as outputs or inputs or schmitt trigger inputs. Also, pull-  
up resistors and open-drain outputs can be assigned by software.  
VSS  
:
Circuit ground.  
In addition, R1 serves the functions of the various follow-  
ing special features.  
AVDD  
:
Supply voltage to the ladder resistor of ADC cir-  
cuit. To enhance the resolution of analog to digital convert-  
er, use independent power source as well as possible, other  
than digital power source.  
Port pin  
Alternate function  
KS0 (Key scan input 0)  
R10  
R11  
R12  
R13  
R14  
R15  
R16  
R17  
AVSS  
:
ADC circuit ground  
KS1 (Key scan input 1)  
KS2 (Key scan input 2)  
KS3 (Key scan input 3)  
KS4 (Key scan input 4)  
KS5 (Key scan input 5)  
KS6 (Key scan input 6)  
KS7 (Key scan input 7)  
RESET:  
Reset the MCU.  
WDTOUT:  
Output for detection of a program malfunc-  
tion. If the user wants to use this pin, connect it to the RE-  
SET pin.  
REMOUT:  
Signal output of an infrared remote controller.  
XIN  
:
Input to the inverting oscillator amplifier and input to  
R20~R23:  
R2 is a 4-bit CMOS bidirectional I/O port. Each  
the internal main clock operating circuit.  
pins 1 or 0 written to the Port Direction Register can be  
used as outputs or inputs. Also, pull-up resistors and open-  
drain outputs can be assigned by software.  
XOUT  
:
Output from the inverting oscillator amplifier.  
SXIN  
cuit.  
:
Input to the internal sub system clock operating cir-  
In addition, R2 serves the functions of the various follow-  
ing special features.  
SXOUT  
:
Output from the inverting subsystem oscillator  
amplifier.  
Port pin  
Alternate function  
AN0 (Analog Input Port0)  
AN1 (Analog Input Port1)  
AN2 (Analog Input Port2)  
AN3 (Analog Input Port3)  
SEG0~SEG36:  
display. See "19. LCD DRIVER" on page 71 for details.  
Segment signal output pins for the LCD  
R20  
R21  
R22  
R23  
COM0~COM3:  
display. See "19. LCD DRIVER" on page 71 for details.  
Common signal output pins for the LCD  
SEG34~SEG36 and COM1~COM3 are selected by LCDD  
of the LCR register.  
R30~R33:  
R3 is a 4-bit CMOS bidirectional I/O port. Each  
pins 1 or 0 written to the Port Direction Register can be  
used as outputs or inputs. Also, pull-up resistors and open-  
drain outputs can be assigned by software.  
R00~R07:  
R0 is an 8-bit CMOS bidirectional I/O port. R0  
pins 1 or 0 written to the Port Direction Register can be  
used as outputs or inputs. Also, pull-up resistors and open-  
drain outputs can be assigned by software.  
In addition, R3 serves the functions of the various follow-  
ing special features.  
In addition, R0 serves the functions of the various follow-  
ing special features.  
Port pin  
Alternate function  
PWM (PWM Output)  
R31  
Port pin  
Alternate function  
R00  
R01  
R02  
R03  
R04  
R05  
R06  
R07  
INT0 (External interrupt 0)  
INT1 (External interrupt 1)  
INT2 (External interrupt 2)  
Event counter input  
VCL0~VCL2:  
voltage on each pin is VCL2> VCL1> VCL0. See "19.  
LCD DRIVER" on page 71 for details.  
Power supply pins for the LCD driver. The  
Buzzer Output  
VLCDC:  
LCD drive voltage booster reference.  
SCK (SPI CLK Input/Output)  
SO (SPI Serial Data Output)  
SI (SPI Serial Data Input)  
CAPH, CAPL:  
LCD drive voltage booster capacitor.  
VREG:  
Output of the voltage regular for the sub clock os-  
cillation circuit. Connect external 0.1uF capacitor to this  
pin when using the sub system clock.  
R10~R17:  
R1 is an 8-bit CMOS bidirectional I/O port. R1  
pins 1 or 0 written to the Port Direction Register can be  
6
JUNE 2001 Ver 1.0  
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