procedure eeprom_877_read (byte in eeadr, byte out eedata) is bank_0 asm movf eeadr,w bank_2 asm movwf f877_eeadr bank_3 eecon1_eepgd = off eecon1_rd = on bank_2 asm movf f877_eedata,w bank_0 asm movwf eedata end procedure procedure eeprom_877_write ( byte in eeadr, byte in eedata ) is bank_0 asm movf eedata, w bank_2 asm movwf f877_eedata bank_0 asm movf eeadr, w bank_2 asm movwf f877_eeadr bank_3 asm bcf f877_eecon1,eecon1_eepgd asm bsf f877_eecon1,eecon1_wren asm bcf INTCON,intcon_gie asm bcf INTCON,intcon_gie assembler movlw 0x_55 movwf f877_eecon2 movlw 0x_aa movwf f877_eecon2 end assembler asm bsf f877_eecon1,eecon1_wr asm bsf INTCON,intcon_gie asm bcf f877_eecon1,eecon1_wren while eecon1_wr loop end loop bank_0 end procedure
|file: /Techref/piclist/jal/eeprom877.htm, 1KB, , updated: 2000/10/13 14:24, local time: 2018/9/23 12:09,
|©2018 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://www.piclist.com/techref/piclist/jal/eeprom877.htm"> PIC JAL Memory Routine </A>
|Did you find what you needed?|
PICList 2018 contributors:
o List host: MIT, Site host massmind.org, Top posters @20180923 RussellMc, Van Horn, David, Sean Breheny, David C Brown, Bob Blick, Isaac M. Bavaresco, Neil, Denny Esterline, Harold Hallikainen, John Gardner,
* Page Editors: James Newton, David Cary, and YOU!
* Roman Black of Black Robotics donates from sales of Linistep stepper controller kits.
* Ashley Roll of Digital Nemesis donates from sales of RCL-1 RS232 to TTL converters.
* Monthly Subscribers: Gregg Rew. on-going support is MOST appreciated!
* Contributors: Richard Seriani, Sr.
Welcome to www.piclist.com!