 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
EM6620WS11 Datasheet(PDF) 34 Page - EM Microelectronic - MARIN SA |
|
|
|||||||||||||||||||||||||||||
EM6620WS11 Datasheet(HTML) 34 Page - EM Microelectronic - MARIN SA |
|
|
34 / 56 page  R EM6620 Copyright © 2005, EM Microelectronic-Marin SA 34 www.emmicroelectronic.com 11. RAM The EM6620 has one 64x4 bit RAM built-in located on addresses hex 0 to 3F. All the RAM nibbles are direct addressable. RAM Extension : Unused R/W Registers can often be used as possible RAM extension. Be careful not to use registers which start, stop, or reset some functions. Unused LCD register latches can also be used as RAM extension. In case of 3 times multiplex and using all the 8 segment outputs you may have two additional 4 bit registers available. Also for each unused segment output you may have one additional 4 bit register. Figure 24. RAM Architecture RAM1_63 RAM1_62 RAM1_61 RAM1_60 RAM1_0 4 bit R/W 4 bit R/W 4 bit R/W 4 bit R/W 4 bit R/W . . . . . . RAM1_3 RAM1_2 RAM1_1 4 bit R/W 4 bit R/W 4 bit R/W 64 x 4 direct addressable RAM1 |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
