
Technical Data
M68HC11K Family
252
Memory Expansion and Chip Selects
MOTOROLA
Memory Expansion and Chip Selects
Figure 11-16. Memory Expansion Example 2 (Sheet 2 of 2)
Memory Map for One 8-Kbyte Window with Eight Banks and
One 16-Kbyte Window with 16 Banks of External Memory
MC68HC(7)11K
6226
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
ADDR11
ADDR10
ADDR9
ADDR8
ADDR11
ADDR10
ADDR9
ADDR8
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
XA13
XA17
XA16
XA15
XA14
XA17
XA16
XA15
XA14
ADDR15
ADDR14
ADDR13
ADDR12
XA18
ADDR12
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
A7
A6
A5
A4
A3
A2
A1
A0
ADDR8
A8
ADDR11
ADDR10
ADDR9
A11
A10
A9
A12
ADDR12
XA15
XA14
XA13
A15
A14
A13
XA16
A16
(LOW)
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
D7
D6
D5
D4
D3
D2
D1
D0
VSS
OE
E1
VCC
VDD
W
E2
6226
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
A7
A6
A5
A4
A3
A2
A1
A0
ADDR8
A8
ADDR11
ADDR10
ADDR9
A11
A10
A9
A12
ADDR12
XA15
XA14
XA13
A15
A14
A13
XA16
A16
(HIGH)
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
D7
D6
D5
D4
D3
D2
D1
D0
VSS
OE
E1
VCC
VDD
W
27C512
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
D7
D6
D5
D4
D3
D2
D1
D0
VSS
OE
CE
VCC
VDD
R/W
GPCS2
GPCS1
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
A7
A6
A5
A4
A3
A2
A1
A0
ADDR8
A8
ADDR11
ADDR10
ADDR9
A11
A10
A9
A12
ADDR12
XA15
XA14
XA13
A15
A14
A13
E
XA17
E2
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Freescale Semiconductor, Inc.
For More Information On This Product,
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