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| 型號： | 38B5 |
| 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 |
| 文件頁數(shù)： | 32/70頁 |
| 文件大?。?/td> | 864K |
| 代理商： | 38B5 |
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MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
31
PRELIMINARY
Notice: This s not a final specification.
Some parametric imits are subject to change.
4. S
RDY1
output signal
The S
RDY1
output is a transmit/receive enable signal which informs
the serial transfer destination that transmit/receive is ready. In the
initial status, when the serial I/O initialization bit (b4) is reset to “0,”
the S
RDY1
output goes to “L” and the S
RDY1
output goes to “H”. After
transmitted data is stored in the serial I/O1 register (address 001B
16
)
and a transmit/receive operation becomes ready, the S
RDY1
output
goes to “H” and the S
RDY1
output goes to “L”. When a transmit/
receive operation is started and the transfer clock goes to “L”, the
S
RDY1
output goes to “L” and the S
RDY1
output goes to “H”.
5. S
RDY1
input signal
The S
RDY1
input signal becomes valid only when the S
RDY1
input
and the S
BUSY1
output are used. The S
RDY1
input is a signal for
receiving a transmit/receive ready completion signal from the serial
transfer destination.
When the internal synchronous clock is selected, input a low level
signal into the S
RDY1
input and a high level signal into the S
RDY1
input in the initial status in which the transfer is stopped.
When an “H” level signal is input into the S
RDY1
input and an “L”
level signal is input into the S
RDY1
input for a period of 1.5 cycles or
more of transfer clock, transfer clocks are output from the S
CLK1
output and a transmit/receive operation is started.
After the transmit/receive operation is started and an “L” level sig-
RDY1
input and an “H” level signal into the
_________
RDY1
input, this operation cannot be immediately stopped.
After the specified number of bits are transmitted and received, the
transfer clocks from the S
CLK1
output is stopped. The handshake
unit of the 8-bit serial I/O and that of the automatic transfer serial
I/O are of 8 bits.
When the external synchronous clock is selected, the S
RDY1
input
becomes one of the triggers to output the S
BUSY1
signal.
To start a transmit/receive operation (S
BUSY1
output: “L,” S
BUSY1
output: “H”), input an “H” level signal into the S
RDY1
input and an “L”
level signal into the S
RDY1
input, and also write transmit data into
the serial I/O1 register.
_________
Fig. 30 S
RDY1
Output Operation
Fig. 31 S
RDY1
Input Operation (internal synchronous clock)
S
RDY1
S
CLK1
Write to serial
I/O1 register
S
RDY1
S
CLK1
S
OUT1
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 38B5_M | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES |
| 38B7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:38B7 Group Datasheet Datasheet 2038K/OCT.30.00 |
| 38B7_M | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES |
| 38BC0-550 | 功能描述:SWITCH PUSHBUTTON SPDT 0.4VA 20V RoHS:是 類別:開關 >> 按鈕 系列:38BC 標準包裝:1 系列:A16 類型:標準，發(fā)光式 電路:雙刀雙擲 開關功能:開-瞬時 額定電流:5A（AC） 額定電壓 - AC:125V 額定電壓 - DC:- 觸動器類型:方形，按鈕 顏色 - 致動器/蓋:黃 發(fā)光類型，顏色:LED，黃 發(fā)光電壓:12 VDC 安裝類型:前面板安裝 端接類型:焊接，快速連接 - 0.110"（2.8mm） 防護等級:IP65 - 防塵/防油/防水 特點:- 面板切口尺寸:圓形 - 直徑 16.00mm 包裝:散裝 工作溫度:-10°C ~ 55°C 機械壽命:2,000,000 次循環(huán) 電氣壽命:100,000 次循環(huán) 其它名稱:A165LAYM12D2 |
| 38BC-0-H-1-S | 功能描述:SWITCH PUSH SPDT 0.4VA 20V RoHS:否 類別:開關 >> 按鈕 系列:38BC 標準包裝:1 系列:A16 類型:標準，發(fā)光式 電路:雙刀雙擲 開關功能:開-瞬時 額定電流:5A（AC） 額定電壓 - AC:125V 額定電壓 - DC:- 觸動器類型:方形，按鈕 顏色 - 致動器/蓋:黃 發(fā)光類型，顏色:LED，黃 發(fā)光電壓:12 VDC 安裝類型:前面板安裝 端接類型:焊接，快速連接 - 0.110"（2.8mm） 防護等級:IP65 - 防塵/防油/防水 特點:- 面板切口尺寸:圓形 - 直徑 16.00mm 包裝:散裝 工作溫度:-10°C ~ 55°C 機械壽命:2,000,000 次循環(huán) 電氣壽命:100,000 次循環(huán) 其它名稱:A165LAYM12D2 |
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