參數(shù)資料
型號: X28HC64JMB-12
廠商: INTERSIL CORP
元件分類: DRAM
英文描述: 5 Volt, Byte Alterable EEPROM
中文描述: 8K X 8 EEPROM 5V, 120 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 4/24頁
文件大?。?/td> 112K
代理商: X28HC64JMB-12
4
X28HC64
DATA
Polling can effectively reduce the time for writing
to the X28HC64. The timing diagram in Figure 2 illus-
trates the sequence of events on the bus. The software
flow diagram in Figure 3 illustrates one method of
implementing the routine.
3857 FHD F13
WRITE DATA
SAVE LAST DATA
AND ADDRESS
READ LAST
ADDRESS
IO7
COMPARE
READY
NO
YES
WRITES
COMPLETE
NO
YES
Figure 3.
DATA
Polling Software Flow
DATA
POLLING I/O
7
Figure 2.
DATA
Polling Bus Sequence
3857 FHD F12
CE
OE
WE
I/O7
X28HC64
READY
LAST
WRITE
HIGH Z
VOL
VIH
A0–A12
An
An
An
An
An
An
VOH
An
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