參數(shù)資料
型號(hào): MC68HC11K1
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁(yè)數(shù): 6/20頁(yè)
文件大小: 286K
代理商: MC68HC11K1
MOTOROLA
6
AN1242/D
Figure 4 Proposed Memory Map Expansion
Unfortunately, access to the MC68HC711K4 address and data buses results in the complete loss of I/O
Ports B, C, and F, as well as bit 7 of Port G. In addition, other Port G bits would be used as expansion ad-
dress lines and some Port H bits may be used as chip selects. These lost I/O pins can be rebuilt with simple
latches or more complex peripherals at the risk of decreased flexibility and more complicated circuit design
and debugging.
$0000
REGISTERS
AN1242 EXP MEM MAP
32 KBYTES EPROM
$007F
$0080
$037F
$0380
$0D7F
$0D80
$0FFF
$8000
$FFC0
$FFFF
SRAM, REGISTERS, EEPROM
VECTORS
768 BYTES SRAM
EXTERNAL ADDRESSES
640 BYTES EEPROM
$FFBF
$8000
$FFBF
LCD AND CONSTANT
DATA PAGE 0
CONTROL ALGORITHMS
EXTERNAL ADDRESSES
$7FFF
16K X 2 EPROM PAGES
$4000
LCD AND CONSTANT
DATA PAGE 1
$7FFF
OR
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