- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄45042 > M38073M4-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 PDF資料下載
參數(shù)資料
| 型號： | M38073M4-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 32/74頁 |
| 文件大小： | 1182K |
| 代理商： | M38073M4-XXXFP |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁當前第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁
38
MITSUBISHI MICROCOMPUTERS
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(2) Asynchronous Serial I/O (UART) Mode
Asynchronous serial I/O1 mode (UART) can be selected by clear-
ing the Serial I/O1 mode selection bit (b6) of the Serial I/O1 control
register to "0." Eight serial data transfer formats can be selected
and the transfer formats used by a transmitter and receiver must
be identical.
The transmit and receive shift registers each have a buffer (the two
buffers have the same address in memory). Since the shift register
cannot be written to or read from directly, transmit data is written to
the transmit buffer, and receive data is read from the receive buffer.
The transmit buffer can also hold the next data to be transmitted,
and the receive buffer can hold a character while the next charac-
ter is being received.
f(XIN)
1/4
OE
PE FE
1/16
Data bus
Receive buffer register
Address 001816
Receive shift register
Receive buffer full flag (RBF)
Receive interrupt request (RI)
Baud rate generator
Division ratio 1/(n+1)
Address 001C16
ST/SP/PA generator
Transmit buffer register
Data bus
Transmit shift register
Address 001816
Transmit shift register shift
completion flag (TSC)
Transmit buffer empty flag (TBE)
Transmit interrupt request (TI)
Address 001916
STdetector
SP detector
UART control register
Address 001B16
Character length selection bit
Address 001A16
BRG count source selection bit
Transmit interrupt source selection bit
Serial I/O1 synchronous clock
selection bit
Clock control circuit
Character length selection bit
7 bit
8 bit
(f(XCIN) in low-speed mode)
Serial I/O1 control register
P46/SCLK1
Serial I/O1 status register
P44/RXD
P45/TXD
Fig. 35. Block diagram of UART serial I/O1
TSC=0
TBE=1
RBF=0
TBE=0
RBF=1
ST
D0
D1
SP
D0
D1
ST
SP
TBE=1
TSC=1*
ST
D0
D1
SP
D0
D1
ST
SP
Transmit or receive clock
Write-in signal to
transmit buffer register
Serial output TXD
Read-out signal from
receive buffer register
Serial input RXD
* Generated at 2nd bit in 2-stop bit mode
1 start bit
7 or 8 data bit
1 or 0 parity bit
1 or 2 stop bit
1: Error flag detection occurs at the same time that the RBF flag becomes "1" (at 1st stop bit, during reception).
2: The transmit interrupt (TI) can be selected to occur when either the TBE or TSC flag becomes "1", depending on the setting of the transmit interrupt
source selection bit (TIC) of the serial I/O1 control register.
3: The receive interrupt (RI) is set when the RBF flag becomes "1".
4: After data is written to the transmit buffer register when TSC=1, 0.5 to 1,5 cycles of the data shift cycle is necessary until changing to TSC=0.
Notes
Fig. 36. Operation of UART serial I/O1 function
相關PDF資料 |
PDF描述 |
|---|---|
| M38073E4-XXXFP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| M38102E5SP | 8-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PDIP64 |
| M38102E5SS | 8-BIT, UVPROM, 4.19 MHz, MICROCONTROLLER, CDIP64 |
| M38102E5-XXXSP | 8-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PDIP64 |
| M38102E5FP | 8-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PQFP64 |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38078RFS | 制造商:Renesas Electronics Corporation 功能描述:EMULATION MCU/8BIT CMOS EMULATION CHIP - Bulk |
| M3808 | 功能描述:電纜固定件和配件 LTRSCG 625 BLACK RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強度: |
| M3808 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 10COND 18AWG BLK 1000' |
| M3808 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 10COND 18AWG BLK 500' |
| M3808 BK005 | 制造商:Alpha Wire Company 功能描述:CBL 10COND 18AWG BLK 100' |
發(fā)布緊急采購，3分鐘左右您將得到回復。