CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 184
CS5535-UDCF
Manufacturer Part Number
CS5535-UDCF
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.CS5535-UDCF.pdf
(579 pages)
Specifications of CS5535-UDCF
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
Available stocks
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Part Number:
CS5535-UDCF
Manufacturer:
AMD
Quantity:
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4)
5)
6)
7)
8)
184
NAND Flash device may pull down the RDY/BUSY#
signal at this point. Software sets the EN_INT bit and
waits for the interrupt.
Memory
[NAND_START + 815h] to clear ECC parity and
Enable ECC engine.
For (i = 0; i < 256; i++), read data from [NAND_START
+ i] to buffer [BA + i] (read data from NAND Flash to
memory buffer. Can use DWORD read to save time).
Memory DWORD Reads [NAND_START + 810h] to
get ECC parity [ECC0] of first 256 byte data.
Memory
[NAND_START + 815h] to clear ECC parity and
enable ECC engine.
WE#
R/B#
CLE
CE#
RE#
ALE
I/O
byte writes 03h to
byte writes
00h
31506B
CA
03h to
Figure 5-56. Flash Controller NAND Read Cycle
PA0
memory
memory
PA1
PA2
location
location
9)
10) Memory DWORD reads [NAND_START + 810h] to get
11) For (i = 512; i < 528; i++), read data from
12) Write 01h to memory location [NAND_START + 800h]
13) Retrieve ECC parity data from redundant data area
14) Correct data if data error is detected and can be fixed.
Figure 5-56 on page 184 shows a basic NAND read cycle.
For (i = 256; i < 512; i++), read data from
[NAND_START + i] to buffer [BA + i] (read data from
NAND Flash to memory buffer. Can use DWORD read
to save time).
ECC parity [ECC1] of second 256 byte data.
[NAND_START + i] to buffer [BA + i] (read data from
NAND Flash redundant data to memory buffer. Can
use DWORD read to save time).
(de-assert CE#, NAND Flash enters to Idle state).
and compare them to ECC0 and ECC1.
D0
AMD Geode™ CS5535 Companion Device Data Book
D1
D2
(n-1)
D
Flash Controller
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