k8d6316u Samsung Semiconductor, Inc., k8d6316u Datasheet - Page 14

• Manufacturer Part Number: k8d6316u
• Description: 64m Bit 8m X8/4m X16 Dual Bank Nor Flash Memory
• Manufacturer: Samsung Semiconductor, Inc.

K8D6x16UTM / K8D6x16UBM
COMMAND DEFINITIONS
The K8D6316U operates by selecting and executing its operational modes. Each operational mode has its own command set. In
order to select a certain mode, a proper command with specific address and data sequences must be written into the command reg-
ister. Writing incorrect information which include address and data or writing an improper command will reset the device to the read
mode. The defined valid register command sequences are stated in Table 8. Note that Erase Suspend (B0H) and Erase Resume
(30H) commands are valid only while the Block Erase Operation is in progress.
Table 8. Command Sequences
Read
Reset
Autoselect
Manufacturer
ID (2,3)
Autoselect
Device Code
Autoselect
Block Group
Protect Verify
(2,3)
Auto Select
Secode Block
Factory Protect
Verify (2,3)
Enter Secode
Block Region
Exit Secode
Block Region
Program
Unlock Bypass
Unlock Bypass
Program
Unlock Bypass
Reset
Chip Erase
Block Erase
Block Erase
Suspend (4, 5)
Block Erase
Resume
CFI Query (6)
(2,3)
Command Sequence
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Cycle
1
1
4
4
4
4
3
4
4
3
2
2
6
6
1
1
1
Word
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
55H
1st Cycle
XXXH
XXXH
XXXH
XXXH
XXXH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
A0H
AAH
AAH
B0H
F0H
90H
30H
98H
RD
RA
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
Byte
AAH
Word
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2nd Cycle
XXXH
55H
55H
55H
55H
55H
55H
55H
55H
00H
55H
55H
PA
PD
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
Byte
14
Word
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
DA/
DA/
DA/
DA/
3rd Cycle
A0H
90H
90H
90H
90H
88H
90H
20H
80H
80H
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
Byte
DA/
DA/
DA/
DA/
Word
X00H
X01H
X02H
X03H
555H
555H
BA /
DA /
DA/
DA/
(See Table 9)
(See Table 9)
(See Table 9)
4th Cycle
XXXH
ECH
AAH
AAH
00H
PD
PA
AAAH
AAAH
X00H
X02H
X04H
X06H
Byte
DA/
DA/
BA/
DA/
FLASH MEMORY
Word
2AAH
2AAH
5th Cycle
55H
55H
555H
555H
Byte
Revision 1.5
March 2005
Word
555H
6th Cycle
10H
30H
BA
AAAH
Byte