S3C24A0 Datasheet, PDF (77/487 Pages) Samsung semiconductor – APPLICATION PROCESSOR FOR 2.5G/3G MOBILE PHONES

NAND FLASH CONTROLLER
BSW rv0.1-0417-N01
S3C24A0 RISC MICROPROCESSOR
OPERATION MODE
CORE ACCESS
USER ACCESS
STEPPINGSTONE
(4 KB BUFFER)
SPECIAL FUNCTION
REGISTERS
AUTO LOAD/STORE MODE
NAND FLASH
CONTROLLER
NAND
FLASH
MEMORY
S/W MODE
Figure 4-3 NAND Flash Controller Operation Mode Block Diagram
Figure 4-3 describes all operation modes of the NAND Flash controller. The NAND Flash controller controls the
Auto load and store page(s) by using the steppingstone automatically in auto load or store mode. In software
mode, you can access the NAND Flash Memory directly using the command, address and data register.
HCLK
Flash_CLE
Flash_ALE
Flash_nWE
Flash_I/O
TACLS TWRPH0 TWRPH1 TACLS TWRPH0 TWRPH1
COMMAND
ADDRESS
Figure 4-4 Auto Mode Timing Diagram (TACLS = 1, TWRPH0 = 0, TWRPH1 = 0)
4-4
Preliminary product information describes products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.