mc68hc11k4 Freescale Semiconductor, Inc, mc68hc11k4 Datasheet - Page 250

• Manufacturer Part Number: mc68hc11k4
• Description: Mc68hc11k1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Memory Expansion and Chip Selects
Technical Data
250
$FFFF
$A000
$0000
$1000
$4000
$6000
Figure 11-15. Memory Expansion Example 1 — Memory Map for a Single
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
INTERNAL
(EP)ROM
EE/REG/RAM
CHIP SELECT 1
R/W
E
GPCS2
GPCS1
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
MC68HC(7)11K
8-Kbyte Window with Eight Banks of External Memory
ADDR15
ADDR14
ADDR13
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
XA18
XA17
XA16
XA15
XA14
XA13
Freescale Semiconductor, Inc.
For More Information On This Product,
XA[15:13] =
$05FFF
BANK 0
$04000
XA15
XA14
XA13
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
0:0:0
Memory Expansion and Chip Selects
GPCS1C = $06
GPCS2C = $00
GPCS1A = $00
GPCS2A = $00
MMWBR = $04
CSCTL = $00
MMSIZ = $41
PGAR = $07
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XA[15:13] =
$15FFF
BANK 1
$14000
0:0:1
XA[15:13] =
$25FFF
$24000
BANK2
0:1:0
XA[15:13]
Window 1 @ $4000
Window 2 disabled
Window 1 = 8 Kbytes
Window 2 disabled
General-purpose chip select 1 based on
No I/O or program chip selects
General-purpose chip select 1 starting address = $00000
64 Kbyte range (8 x 8 K)
N/A
General-purpose chip select 2 disabled
expanded address
XA[15:13] =
$35FFF
BANK 3
$34000
0:1:1
WINDOW 1
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
XA[15:13] =
XA15
XA14
XA13
$45FFF
BANK 4
$44000
1:0:0
A8
A7
A6
A5
A4
A3
A2
A1
A0
A9
A15
A14
A13
A12
A11
A10
XA[15:13] =
$55FFF
BANK 5
$54000
27C512
1:0:1
XA[15:13] =
$65FFF
V
$64000
BANK6
V
OE
CE
D7
D6
D5
D4
D3
D2
D1
D0
1:1:0
CC
SS
V
M68HC11K Family
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
DD
XA[15:13] =
$75FFF
BANK 7
$74000
1:1:1
MOTOROLA