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The Serial Peripheral Interface (SPI) Chapter 8
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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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File: SPI.WHP
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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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16 x 1 Hex Keypad
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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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Connecting the MC14499 to three common cathode 7-segment displays
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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
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Maxim Serially Interfaced, 8-Digit LED Display Driver
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max.whp
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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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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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T1.WHP
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MC68HC68T1 Example LOAD T1.WHP HEX SPI.INIT T1.INIT 10 35 42 SET.TIME.TIME
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Summary
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Exercises
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