參數(shù)資料
型號(hào): DSP56F805
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: 16-bit Hybrid Controller(16位混合控制器)
中文描述: 16位混合控制器(16位混合控制器)
文件頁(yè)數(shù): 21/48頁(yè)
文件大?。?/td> 967K
代理商: DSP56F805
Flash Memory Characteristics
56F805 Technical Data
21
3.4 Flash Memory Characteristics
Table 24. Flash Memory Truth Table
Figure 5. Signal States
Mode
XE
1
1.
2.
3.
4.
5.
6.
7.
8.
X address enable, all rows are disabled when XE = 0
Y address enable, YMUX is disabled when YE = 0
Sense amplifier enable
Output enable, tri-state Flash data out bus when OE = 0
Defines program cycle
Defines erase cycle
Defines mass erase cycle, erase whole block
Defines non-volatile store cycle
YE
2
SE
3
OE
4
PROG
5
ERASE
6
MAS1
7
NVSTR
8
Standby
L
L
L
L
L
L
L
L
Read
H
H
H
H
L
L
L
L
Word Program
H
H
L
L
H
L
L
H
Page Erase
H
L
L
L
L
H
L
H
Mass Erase
H
L
L
L
L
H
H
H
Table 25. IFREN Truth Table
Mode
IFREN = 1
IFREN = 0
Read
Read information block
Read main memory block
Word program
Program information block
Program main memory block
Page erase
Erase information block
Erase main memory block
Mass erase
Erase both block
Erase main memory block
Data Invalid State
Data1
Data2 Valid
Data
Tri-stated
Data3 Valid
Data2
Data3
Data1 Valid
Data Active
Data Active
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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