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參數資料
型號: MC68HC11K4VFN3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: Technical Summary 8-Bit Microcontroller
中文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC84
封裝: PLASTIC, LCC-84
文件頁數: 36/80頁
文件大小: 420K
代理商: MC68HC11K4VFN3
MOTOROLA
36
M68HC11 K Series
MC68HC11KTS/D
Figure 7 Memory Expansion Example 1
This example is a system consisting of the MCU, a single 27C512-type memory device as in the previ-
ous example, and two 6226-type memory devices as well. This system uses two chip selects and has
two windows. For purposes of explanation, the setup of the first window is identical to the previous ex-
ample. In addition, a second window consisting of 16 banks of 16 Kbytes each uses the second chip
select signal. Window 1 contains 64 Kbytes of expanded memory pages, window 2 contains a total of
256 Kbytes of expanded memory. A total of five expansion address lines are used. Register values par-
ticular to this example are given below the diagram.
$0000
$1000
$4000
$6000
$00000
$01FFF
$02000
$03FFF
$04000
$05FFF
$06000
$07FFF
$08000
$09FFF
$0A000
$0BFFF
$0C000
$0DFFF
$0E000
$0FFFF
INTERNAL
EPROM
CHIP SELECT 1
$FFFF
WINDOW 1
BANK 0
BANK 1
BANK 2
BANK 3
BANK 4
BANK 5
BANK 6
BANK 7
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
XA[15:13]=
XA[15:13]=
XA[15:13]=
XA[15:13]=
XA[15:13]=
XA[15:13]=
XA[15:13]=
XA[15:13]=
PGAR = $07
MMWBR = $04
MMSIZ = $41
XA[15:13]
WINDOW 1 @ $4000,
WINDOW 2 DISABLED
WINDOW 1 = 8 KBYTES,
WINDOW 2 DISABLED
NO I/O OR PROGRAM CHIP SELECTS
GEN. PURPOSE CHIP SELECT 1 FROM $00000
64 KBYTE RANGE (8 X 8K)
N/A
GEN. PURPOSE CHIP SELECT 2 DISABLED
CSCTL = $00
GPCS1A = $00
GPSC1C = $06
GPCS2A = $00
GPCS2C = $00
$A000
相關PDF資料
PDF描述
MC68HC11K0CFN2 8-BIT MICROCONTROLLER
MC68HC11K0CFN3 8-BIT MICROCONTROLLER
MC68HC11K0CFN4 8-BIT MICROCONTROLLER
MC68HC11K0CFU2 8-BIT MICROCONTROLLER
MC68HC11K0CFU3 8-BIT MICROCONTROLLER
相關代理商/技術參數
參數描述
MC68HC11K4VFN4 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller
MC68HC11K4VFS2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4VFS3 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4VFS4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4VFU2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
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