參數(shù)資料
型號: AMC0XXCFLKA
廠商: Advanced Micro Devices, Inc.
英文描述: 1, 2, 4, or 10 Megabyte 5.0 V-only Flash Memory PC Card
中文描述: 1,2,4,或10兆字節(jié)5.0 V型只有閃存PC卡
文件頁數(shù): 9/42頁
文件大?。?/td> 273K
代理商: AMC0XXCFLKA
5/4/98
AmC0XXCFLKA
9
Table 3.
Even Byte Command Definitions (Note 5)
*
Address for Memory Segment 0 (S0) only. Address for the higher even memory segments (S2–S18) = (Addr) + (N/2)* 100000H
where N = Memory Segment number (0) for 1 Mbyte, N = (0, 2) for 2 Mbyte, N = (0, 2, 4, 6) for 4 Mbyte, N = (0…18) for 10 Mbyte.
Notes:
1. Address bit A16 = X = Don’t Care for all address commands except for Program Address (PA), Read Address (RA) and Sector
Address (SA).
2. Bus operations are defined in Table 1.
3. RA = Address of the memory location to be read.
PA = Address of the memory location to be programmed. Addresses are latched on the falling edge of the WE pulse.
SA = Address of the sector to be erased. The combination of A17, A18, A19 will uniquely select any sector of a segment.
To select the memory segment:1 and 2 Mbyte: Use CE1 and A20
4 Mbyte:
Use CE1 and A20, A21
10 Mbyte:
Use CE1 and A20–A23.
4. RD = Data read from location RA during read operation.
PD = Data to be programmed at location PA. Data is latched on the rising edge of WE pulse.
5. A0 = 0 and CE1 = 0
Embedded
Command
Sequence
Bus
Write
Cycles
Req’d
First Bus
Write Cycle
Second Bus
Write Cycle
Third Bus
Write Cycle
Fourth Bus
Read/Write Cycle
Fifth Bus
Write Cycle
Sixth Bus
Write Cycle
Addr*
Data
Addr*
Data
Addr*
Data
Addr*
Data
Addr*
Data
Addr*
Data
Reset/Read
4
AAAAH AAH
5554H
55H
AAAAH
F0H
RA
RD
Autoselect
4
AAAAH AAH
5554H
55H
AAAAH
90H
00H/02H 01H/A4H
Byte Write
4
AAAAH AAH
5554H
55H
AAAAH A0H
PA
PD
Segment Erase
6
AAAAH AAH
5554H
55H
AAAAH
80H
AAAAH
AAH
5554H
55H
AAAAH
10H
Sector Erase
6
AAAAH AAH
5554H
55H
AAAAH
80H
AAAAH
AAH
5554H
55H
SA
30H
Sector Erase Suspend
Erase can be suspended during sector erase with Addr (don’t care), Data (B0H)
Sector Erase Resume
Erase can be resumed after suspend with Addr (don’t care), Data (30H)
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