DSP56F807 Motorola Inc, DSP56F807 Datasheet - Page 21

• Manufacturer Part Number: DSP56F807
• Description: 56F807 16-bit Hybrid Processor
• Manufacturer: Motorola Inc

3.4 Flash Memory Characteristics
56F807 Technical Data
1.
2.
3.
4.
5.
6.
7.
8.
Word Program
Data Invalid State
Page Erase
Mass Erase
Word program
Standby
Page erase
Mass erase
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
Mode
Read
Data1 Valid
Mode
Read
Data1
Data Active
XE
H
H
H
H
L
Freescale Semiconductor, Inc.
1
Table 24. Flash Memory Truth Table
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YE
Program information block
H
H
L
L
L
Table 25. IFREN Truth Table
Erase information block
Read information block
2
Data2 Valid
Erase both block
Figure 5. Signal States
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Data2
SE
IFREN=1
H
L
L
L
L
3
OE
H
L
L
L
L
4
PROG
Tri-stated
H
L
L
L
L
Data
5
ERASE
Program main memory block
Erase main memory block
Erase main memory block
Read main memory block
H
H
L
L
L
Flash Memory Characteristics
6
Data3 Valid
Data3
Data Active
IFREN=0
MAS1
H
L
L
L
L
7
NVSTR
H
H
H
L
L
8
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