參數(shù)資料
型號: M37280MKH-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, PLASTIC, SDIP-64
文件頁數(shù): 44/171頁
文件大?。?/td> 1465K
代理商: M37280MKH-XXXSP
138
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37280MFH–XXXSP, M37280MKH–XXXSP
M37280EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Structure of Register
The figure of each register structure describes its functions, contents
at reset, and attributes as follows:
Values immediately after reset release
Bit attributes
(Note 1)
(Note 2)
Bits
2: Bit attributesThe attributes of control register bits are classified into 3 types : read-only, write-only
and read and write. In the figure, these attributes are represented as follows :
: Bit in which nothing is assigned
Notes 1: Values immediately after reset release
0 “0” after reset release
1 “1” after reset release
IndeterminateIndeterminate after reset
release
Read enabled
Read disabled
R
RRead
Write enabled
Write disabled
“0” can be set by software, but “1”
cannot be set.
WWrite
W
b7 b6 b5 b4 b3 b2 b1 b0
B
After reset RW
CPU Mode Register
0, 1
2
3, 4
0
1
Name
Functions
Processor mode bits
(CM0, CM1)
0 0: Single-chip mode
0 1:
1 0:
Not available
1 1:
Fix these bits to “1.”
0
Stack page selection
bit (See note) (CM2)
1
b1 b0
0: 0 page
1: 1 page
10
0
51
Nothing is assigned. This bit is write disable bit.
When this bit is read out, the value is “0.”
6, 7
0
Clock switch bits
(CM6, CM7)
0 0: f(XIN) = 8 MHz
0 1: f(XIN) = 12 MHz
1 0: f(XIN) = 16 MHz
1 1: Do not set
b7 b6
CPU mode register (CPUM) (CM) [Address 00FB 16]
RW
<Example>
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參數(shù)描述
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