Zakładka z wyszukiwarką danych komponentów |
|
SM5964 Arkusz danych(PDF) 8 Page - SyncMOS Technologies,Inc |
|
SM5964 Arkusz danych(HTML) 8 Page - SyncMOS Technologies,Inc |
8 / 28 page July 2002 Specifications subject to change without notice,contact your sales representatives for the most recent information. 8/28 PID 5964 07/02 SyncMOS Technologies Inc. SM5964 Ver 1.0 1.3 Bank mapping direct addressing mode : We provide RAM bank address ‘40H~7FH’ as mapping window which allow user access all the 1K on-chip RAM through this RAM bank address. With this bank mapping scheme, user can access entire 1k byte on-chip RAM with direct addressing method. That means using the window area ($040~$07F), user can access any bank (64 byte) data of 1k byte on-chip RAM space which is selected by BS[0:3] of data bank control register (DBANK, $86). For example, user write #30h to $101 address : MOV DBANK, #88H ; set bank mapping $040~$07f to $0100~$013f MOV A, #30H ; store #30H to A MOV 41H, A ; write #30H to $0101 address Data Bank Control Register (DBANK, $86) BS3 BS2 BS1 BS0 040h~07fh map- ping address Note 0 0 0 0 000h~03fh lower 128 byte RAM 0 0 0 1 040h~07fh lower 128 byte RAM 0 0 1 0 080h~0bfh higher 128 byte RAM 0 0 1 1 0c0h~0ffh higher 128 byte RAM 0 1 0 0 0000h~003fh on-chip expanded 768 byte RAM 0 1 0 1 0040h~007fh on-chip expanded 768 byte RAM 0 1 1 0 0080h~00bfh on-chip expanded 768 byte RAM 0 1 1 1 00c0h~00ffh on-chip expanded 768 byte RAM 1 0 0 0 0100h~013fh on-chip expanded 768 byte RAM 1 0 0 1 0140h~017fh on-chip expanded 768 byte RAM 1 0 1 0 0180h~01bfh on-chip expanded 768 byte RAM 1 0 1 1 01c0h~01ffh on-chip expanded 768 byte RAM 1 1 0 0 0200h~023fh on-chip expanded 768 byte RAM 1 1 0 1 0240h~027fh on-chip expanded 768 byte RAM 1 1 1 0 0280h~02bfh on-chip expanded 768 byte RAM 1 1 1 1 02c0h~02ffh on-chip expanded 768 byte RAM bit-7 bit-0 Read : BSE Unused Unused Unused BS3 BS2 BS1 BS0 Write : Reset value : 0 * * * 0001 |
Podobny numer części - SM5964 |
|
Podobny opis - SM5964 |
|
|
Link URL |
Polityka prywatności |
ALLDATASHEET.PL |
Czy Alldatasheet okazała się pomocna? [ DONATE ] |
O Alldatasheet | Reklama | Kontakt | Polityka prywatności | Linki | Lista producentów 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 |