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參數(shù)資料
型號(hào): MC68HC11K4MFN2
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, 2 MHz, MICROCONTROLLER, PQCC84
封裝: PLASTIC, LCC-84
文件頁(yè)數(shù): 28/80頁(yè)
文件大小: 420K
代理商: MC68HC11K4MFN2
MOTOROLA
28
M68HC11 K Series
MC68HC11KTS/D
Bits [7:6] — Not implemented
Always read zero
PGAR[5:0] —Port G Pin Assignment Bits [5:0]
0 = Corresponding port G pin is general-purpose I/O
1 = Corresponding port G pin is address line, XA[18:13]
NOTE
A special case exists for expansion address lines XA[15:13] that overlap the CPU
address lines ADDR[15:13]. If these lines are selected as expansion address lines
in PGAR, but are not used in either window, the corresponding CPU address line
is output on the appropriate port G pin.
MXGS[2:1] — Memory Expansion Select for General-Purpose Chip Select 2 or 1
0 = General-purpose chip select 2 or 1 based on 64 Kbyte CPU address
1 = General-purpose chip select 2 or 1 based on expansion address
W2SZ[1:0] — Window 2 Size
These bits select the size of memory expansion window 2. Refer to the table following W1SZ[1:0].
Bits [3:2] — Not implemented
Always read zero
Table 5 CPU Address and Address Expansion Signals
Number of Banks
Window Size
8 Kbytes
16 Kbytes
32 Kbytes
32 Kbytes
(Window Based at
$4000)
ADDR[13:0]
XA[15:14]
ADDR[13:0]
XA[16:14]
ADDR[13:0]
XA[17:14]
ADDR[13:0]
XA[18:14]
2
ADDR[12:0]
XA13
ADDR[12:0]
XA[14:13]
ADDR[12:0]
XA[15:13]
ADDR[12:0]
XA[16:13]
ADDR[12:0]
XA[17:13]
ADDR[12:0]
XA[18:13]
ADDR[13:0]
XA14
ADDR[13:0]
XA[15:14]
ADDR[13:0]
XA[16:14]
ADDR[13:0]
XA[17:14]
ADDR[13:0]
XA[18:14]
ADDR[14:0]
XA15
ADDR[14:0]
XA[16:15]
ADDR[14:0]
XA[17:15]
ADDR[14:0]
XA[18:15]
4
8
16
32
64
PGAR
Port G Assignment
$002D
Bit 7
0
6
0
5
4
3
2
1
Bit 0
PGAR0
0
PGAR5
0
PGAR4
0
PGAR3
0
PGAR2
0
PGAR1
0
RESET:
MMSIZ
Memory Mapping Size
$0056
Bit 7
MXGS2
0
6
5
4
3
0
2
0
1
Bit 0
W1SZ0
0
MXGS1
0
W2SZ1
0
W2SZ0
0
W1SZ1
0
RESET:
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