參數(shù)資料
型號(hào)： M38869MFA-XXXGP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80
封裝： 0.65 MM PITCH, PLASTIC, QFP-80!
文件頁(yè)數(shù)： 50/113頁(yè)
文件大?。?/td> 1871K
代理商： M38869MFA-XXXGP
38
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
[Data Bus Buffer Status Register 0, 1
(DBBSTS0, DBBSTS1)] 002916, 002C16
The data bus buffer status register 0, 1 consist of eight bits.
Bits 0, 1, and 3 are read-only bits and indicate the condition of the
data bus buffer. Bits 2, 4, 5, 6, and 7 are user definable flags
which can be set by program, and can be read/written. This regis-
ter can be read from the host CPU when the A0 pin is set to “H”
only.
Bit 0: Output buffer full flag OBF0, OBF1
When writing data to the output data bus buffer, these flags are
set to “1”. When reading the output data bus buffer from the host
CPU, these flags are cleared to “0”.
Bit 1: Input buffer full flag IBF0, IBF1
When writing data from the host CPU to the input data bus
buffer, these flags are set to “1”. When reading the input data
bus buffer from the slave CPU side, these flags are cleared to
“0”.
Bit 3: A0 flag A00, A01
When writing data from the host CPU to the input data bus
buffer, the level of the A0 pin is latched.
[Input Data Bus Buffer Register 0, 1 (DBBIN0,
DBBIN1)] 002816, 002B16
Data on the data bus is latched to DBBIN by writing request from
the host CPU. Data of DBBIN can be read from the data bus
buffer registers (address 002816 or 002B16) on SFR.
[Output Data Bus Buffer Register 0, 1
(DBBOUT0, DBBOUT1)] 002816, 002B16
When writing data to the data bus buffer registers (address 002816
or 002B16) on SFR, data is set to DBBOUT. Data of DBBOUT is
output from the host CPU to the data bus by performing the read-
ing request when the A0 pin is set to “L”.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38869MFA-XXXHP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38869MF-XXXHP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38881E2FS 功能描述:EMULATOR CHIP EPROM MCU/8BIT RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:*
M38902 SL001 制造商:Alpha Wire Company 功能描述:CBL 2COND 24AWG SLT 1000'
M38902 SL002 制造商:Alpha Wire Company 功能描述:CBL 2COND 24AWG SLT 500'
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