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The Serial Peripheral Interface (SPI) Chapter 8. SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display.

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Presentation on theme: "The Serial Peripheral Interface (SPI) Chapter 8. SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display."— Presentation transcript:

1 The Serial Peripheral Interface (SPI) Chapter 8

2 SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display Using a MC14499 The 68HC68T1 Real-Time Clock

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9 File: SPI.WHP

10 SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display Using a MC14499 The 68HC68T1 Real-Time Clock

11 16 x 1 Hex Keypad

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16 SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display Using a MC14499 The 68HC68T1 Real-Time Clock

17 Connecting the MC14499 to three common cathode 7-segment displays

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19 STRING.WYP see Chapter 12 345 (U.) (U.) ( n -- addr len ) A 3 on data stack 4 SWAP -\ A 1 FOR\ A 1- 15 OVER C! \ store F for blank NEXT

20 Maxim Serially Interfaced, 8-Digit LED Display Driver

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30 max.whp

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32 Add the word.3leds ( n -- ) that will display a decimal number n between 0 and 999 with leading blanks. Lab 2

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35 SPI Operation of the SPI Keypad Interfacing with 74165 Shift Registers 4-Digit Seven-Segment Display Using a MC14499 The 68HC68T1 Real-Time Clock

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37 T1.WHP

38 MC68HC68T1 Example LOAD T1.WHP HEX SPI.INIT T1.INIT 10 35 42 SET.TIME.TIME

39 Summary

40 Exercises

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