參數(shù)資料
型號(hào)： M38B57MC-XXXFP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝： 0.80 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù)： 35/70頁(yè)
文件大?。?/td> 1041K
代理商： M38B57MC-XXXFP
MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
39
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
FLD automatic display RAM
The FLD automatic display RAM uses the 160 bytes of addresses
0F6016 to 0FFF16. For FLD, the 3 modes of 16-timing ordinary mode,
16-timinggradation display mode and 32-timing mode are available
depending on the number of timings and the presence/absence of
gradation display.
The automatic display RAM in each mode is as follows:
(1) 16-timingOrdinary Mode
The 80 bytes of addresses 0FB016 to 0FFF16 are used as a FLD
display data store area. Because addresses 0F6016 to 0FAF16
are not used as the automatic display RAM, they can be the ordi-
nary RAM or serial I/O automatic reverse RAM.
(2) 16-timingGradation Display Mode
The 160 bytes of addresses 0F6016 to 0FFF16 are used. The 80
bytes of addresses 0FB016 to 0FFF16 are used as an FLD dis-
play data store area, while the 80 bytes of addresses 0F6016 to
0FAF16 are used as a gradation display control data store area.
(3) 32-timing Mode
The 160 bytes of addresses 0F6016 to 0FFF16 are used as an
FLD display data store area.
[FLD Data Pointer and FLD Data Pointer Reload Register]
FLDDP (0EF816)
Both the FLD data pointer and FLD data pointer reload register are
8-bit registers assigned at address 0EF816. When writing data to this
address, the data is written to the FLD data pointer reload register;
when reading data from this address, the value in the FLD data pointer
is read.
Fig. 42 FLD Automatic Display RAM Assignment
16-timingordinary mode
0FFF16
0FB016
0F6016
0FFF16
0F6016
0FFF16
0FB016
0F6016
16-timinggradation display mode
32-timing mode
1 to 32 timing display
data stored area
Gradation display
control data stored
area
1 to 16 timing display
data stored area
1 to 16 timing display
data stored area
Not used
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