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| 型號： | M38B52E3XXXFP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 25/70頁 |
| 文件大小： | 864K |
| 代理商： | M38B52E3XXXFP |
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MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
30
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
When the internal synchronous clock is selected, in the 8-bit serial
I/O mode and the automatic transfer serial I/O mode (SBUSY1 out-
put function outputs in 1-byte units), the SBUSY1 output goes to “L”
_________
and the SBUSY1 output goes to “H” before 0.5 cycle (transfer clock)
of the timing at which the transfer clock from the SCLK1 output goes
to “L” at a start of transmit/receive operation.
In the automatic transfer serial I/O mode (the SBUSY1 output func-
tion outputs all transfer data), the SBUSY1 output goes to “L” and the
_________
SBUSY1 output goes to “H” when the first transmit data is written into
the serial I/O1 register (address 001B16).
When the external synchronous clock is selected, the SBUSY1 out-
__________
put goes to “L” and the SBUSY1 output goes to “H” when transmit
data is written into the serial I/O1 register to start a transmit opera-
tion, regardless of the serial I/O transfer mode.
At termination of transmit/receive operation, the SBUSY1 output re-
__________
turns to “H” and the SBUSY1 output returns to “L”, the initial status,
when the serial transfer status flag is set to "0", regardless of whether
the internal or external synchronous clock is selected.
Furthermore, in the automatic transfer serial I/O mode (SBUSY1 out-
put function outputs in 1-byte units), the SBUSY1 output goes to “H”
__________
and the SBUSY1 output goes to “L” each time 1-byte of receive data
is written into the automatic transfer RAM.
Fig. 27 SBUSY1 Output Operation
(internal synchronous clock, 8-bits serial I/O)
Fig. 28 SBUSY1 Output Operation
(external synchronous clock, 8-bits serial I/O)
Fig. 29 SBUSY1 Output Operation in Automatic Transfer Serial I/O Mode
(internal synchronous clock, SBUSY1 output function outputs each 1-byte)
SBUSY1
SCLK1
SOUT1
Serial transfer
status flag
Serial transfer
status flag
SBUSY1
SCLK1
Write to Serial
I/O1 register
SCLK1
SBUSY1
SOUT1
Automatic transfer
interval
Serial transfer
status flag
Automatic transfer RAM
→Serial I/O1 register
Serial I/O1 register
→Automatic transfer RAM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38B52E3XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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