The Serial Peripheral Interface (SPI) Chapter 8

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

File: SPI.WHP

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

16 x 1 Hex Keypad

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

Connecting the MC14499 to three common cathode 7-segment displays

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

Maxim Serially Interfaced, 8-Digit LED Display Driver

max.whp

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

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

T1.WHP

MC68HC68T1 Example LOAD T1.WHP HEX SPI.INIT T1.INIT SET.TIME.TIME

Summary

Exercises