| Moteur de recherche de fiches techniques de composants électroniques |
|
AT89C5122DS-RDRUM Fiches technique(PDF) 22 Page - ATMEL Corporation |
|
|
|||||||||||||||||||||||||||||
AT89C5122DS-RDRUM Fiches technique(HTML) 22 Page - ATMEL Corporation |
|
22 / 208 page ![]() 22 AT83R5122, AT8xC5122/23 4202F–SCR–07/2008 Registers Reset Value = 0XXX X000b Table 5. Auxiliary Register - AUXR (8Eh) 7654 3210 DPU - - - XRS0 EXTRAM AO Bit Number Bit Mnemonic Description 7DPU Disable weak Pull-up 0 weak pull-up is enabled 1 weak pull-up is disabled 6-3 - Reserved The value read from this bit is indeterminate. Do not change these bits. 2XRS0 XRAM Size 0 256 bytes (default) 1 512 bytes 1EXTRAM EXTRAM bit Cleared to access internal XRAM using MOVX @ Ri/ @ DPTR. Set to access external memory. Programmed by hardware after Power-up regarding Hardware Security Byte (HSB), default setting , XRAM selected. 0AO ALE Output bit Cleared , ALE is emitted at a constant rate of 1/6 the oscillator frequency (or 1/3 if X2 mode is used)(default). Set , ALE is active only when a MOVX or MOVC instruction is used. |
|
Lien URL |
| ALLDATASHEET vous a-t-il été utile ? [ DONATE ] |
À propos de Alldatasheet | Publicité | Contactez-nous | Politique de confidentialité | Lien vers la fiche technique | Echange de liens | Fabricants 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 |