參數(shù)資料
型號(hào): AMC020DFLKA
廠商: ADVANCED MICRO DEVICES INC
元件分類: PROM
英文描述: Circular Connector; No. of Contacts:37; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
中文描述: 20M X 8 FLASH 5V PROM CARD, 150 ns, XMA68
文件頁(yè)數(shù): 12/46頁(yè)
文件大?。?/td> 157K
代理商: AMC020DFLKA
12
AmC0XXDFLKA
Table 5.
Word Command Definitions (Notes 1–7)
Notes:
1. Address bits = X = Don’t Care for all address commands except for Program Address (PA) 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 WEpulse.
SA = Address of the sector to be erased. The combination of A17, A18, A19, A20, A21will uniquely select any sector of a
segment.
To select the memory segment:
4 Mbyte:
Use CE1, CE2
8 Mbyte:
Use CE1, CE2
20 and 32 Mbyte:
Use CE1, CE2, A22–A24.
4. RW = Data read from location RA during read operation. (Word Mode).
PW = Data to be programmed at location PA. Data is latched on the rising edge of WE (Word Mode).
5. Address for Memory Segment Pair 0 (S0 and S1) only. Address for the higher Memory Segment Pairs (S2, S3 = Pair 1; S4,
S5 = Pair 2; S6, S7 = Pair 3…) is equal to (Addr) + M* (40000H) where M = Memory Segment Pair number.
6. Word = 2 bytes = odd byte and even byte.
7. CE1 = 0 and CE2 = 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
1
XXXXH F0F0
Reset/Read
4
XXXXH AAAA XXXXH 5555 XXXXH
F0
RA
RW
Autoselect
4
XXXXH AAAA XXXXH 5555 XXXXH
90
00H
0101
02H
3D3D
Byte Write
4
XXXXH AAAA XXXXH 5555 XXXXH A0A0
PA
PW
Segment
Erase
6
XXXXH AAAA XXXXH 5555 XXXXH 8080
XXXXH
AAAA
5554H 5555 XXXXH 1010
Sector Erase
6
XXXXH AAAA XXXXH 5555 XXXXH 8080
XXXXH
AAAA
5554H 5555
SA
3030
Sector Erase Suspend
XXXXH B0B0 Erase can be suspended during sector erase with Addr (don’t care), Data (B0B0H)
Sector Erase Resume
XXXXH
3030
Erase can be resumed after suspend with Addr (don’t care), Data (3030H)
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