文件名称:rdvv

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  • 汇编语言
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  • 上传时间:
  • 2012-11-26
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  • 2kb
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hex code for controlling a TSA5511 phase locked loop chip using a PIC16F84

Also drives a standard 16x1 LCD display.



function     16F84(A)  L.C.D.    notes



0V      5    1, 5

+5 volt     4, 14    2, 3

Display enable  2    6

SCL      17        needs 10k pullup to +5V

SDA      18        needs 10k pullup to +5V

4MHz crystal    16

4 MHz crystal  15

display    10    4

display data    9     14

display data    6    11

display data    8    13

display data    7    12

switch input    11        ‘Down’ switch, normally 0V

switch input    12        ‘Set’ switch, normally 0V

switch input    13        ‘Up’ switch, normally 0V



TSA5511 needs a 3.2Mhz crystal



1 x 16 character display pinout:



1 = 0 Volt

2 = 5 Volt

3 = Supply Voltage LCD Driver

4 = RS, Register Select, Low=Instruction, High=Data

5 = R/W, Read/Write

6 = Enable

7 to 14 = DB0-DB7, Data Bus software selectable 4 or 8-bit mode

15 = LED + (Anode of LED Unit)

16 = LED - (Cathode of LED Unit)-hex code for controlling a TSA5511 phase locked loop chip using a PIC16F84

Also drives a standard 16x1 LCD display.



function     16F84(A)  L.C.D.    notes



0V      5    1, 5

+5 volt     4, 14    2, 3

Display enable  2    6

SCL      17        needs 10k pullup to+5V

SDA      18        needs 10k pullup to+5V

4MHz crystal    16

4 MHz crystal  15

display    10    4

display data    9     14

display data    6    11

display data    8    13

display data    7    12

switch input    11        ‘Down’ switch, normally 0V

switch input    12        ‘Set’ switch, normally 0V

switch input    13        ‘Up’ switch, normally 0V



TSA5511 needs a 3.2Mhz crystal



1 x 16 character display pinout:



1 = 0 Volt

2 = 5 Volt

3 = Supply Voltage LCD Driver

4 = RS, Register Select, Low=Instruction, High=Data

5 = R/W, Read/Write

6 = Enable

7 to 14 = DB0-DB7, Data Bus software selectable 4 or 8-bit mode

15 = LED+ (Anode of LED Unit)

16 = LED- (Cathode of LED Unit)
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