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参数资料
| 型号： | M37478M8TXXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP56 |
| 封装： | PLASTIC, QFP-56 |
| 文件页数： | 17/50页 |
| 文件大小： | 693K |
| 代理商： | M37478M8TXXXFP |
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21
MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 12 Structure of serial I/O control registers
b7
b0
Transmit buffer empty flag (TBE)
0 : Buffer full
1 : Buffer empty
Receive buffer full flag (RBF)
0 : Buffer empty
1 : Buffer full
Transmit shift completion flag (TSC)
0 : Transmit shift in progress
1 : Transmit shift completed
Overrun error flag (OE)
0 : No error
1 : Overrun error
Parity error flag (PE)
0 : No error
1 : Parity error
Framing error flag (FE)
0 : No error
1 : Framing error
Summing error flag (SE)
0 : (OE)U(PE)U(FE)=0
1 : (OE)U(PE)U(FE)=1
Not used (returns “1” when read)
Serial I/O status register
(SIOSTS: address 00E116)
Serial I/O synchronous clock selection bit (SCS)
0 : BRG output divided by 4 (when clock synchronous
serial I/O is selected)
BRG output divided by 16 (when UART is selected)
1 : External clock input (when clock synchronous
serial I/O is selected )
External clock input divided by16 (when UART is selected)
b7
b0
Serial I/O control register
(SIOCON: address 00E216)
BRG count source selection bit (CSS)
0 : f(XIN)divided by 4
1 : f(X IN)divided by16
SRDY output enable bit (SRDY)
0 : P17pin operates as ordinary I/O pin
1 : P17
pin operates as SRDY output pin
Transmit interrupt source selection bit (TIC)
0 : Interrupt when transmit buffer has emptied.
1 : Interrupt when transmit shift operation is completed.
Transmit enable bit (TE)
0 : Transmit disabled
1 : Transmit enabled
Receive enable bit (RE)
0 : Receive disabled
1 : Receive enabled
Serial I/O mode selection bit (SIOM)
0 : Asynchronous serial I/O (UART)
1 : Clock synchronous serial I/O
Serial I/O enable bit (SIOE)
0 : Serial I/O disabled
(pins P14 to P17 operate as ordinary
I/O pins)
1 :
Serial I/O enabled
(pins P14 to P17 operate as serial
I/O pins)
b7
b0
UART control register
(UARTCON: address 00E316)
Character length selection bit (CHAS)
0 : 8 bits
1 : 7 bits
Not used (returns “1” when read)
Parity enable bit (PARE)
0 : Parity checking disabled
1 : Parity checking enabled
Parity selection bit (PARS)
0 : Even parity
1 : Odd parity
Stop bit length selection bit (STPS)
0 : 1 stop bit
1 : 2 stop bits
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37478M8TXXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478M8TXXXSP/FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37478M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478M8-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478M8-XXXSP/FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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