参数资料
型号: M37902FCCHP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 26 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 107/143页
文件大小: 1148K
代理商: M37902FCCHP
M37902FCCHP, M37902FGCHP, M37902FJCHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
66
Fig. 68 Bit configuration of UARTi transmit/receive control register
/LSB
MSB
TX
EPTY
76543210
R/C
CS1
CS0
BRG count source select bits
0 0 : f2
0 1 : f16
1 0 : f64
1 1 : f512
CTS/RTS function select bit (Note 1)
0 : CTS function is selected.
1 : RTS function is selected.
Transmit register empty flag
0 : Data is present in the transmit register. (Transmission is in progress.)
1 : No data is present in the transmit register. (Transmission is completed.)
CTS/RTS enable bit
0 : CTS, RTS function is enabled.
1 : CTS, RTS function is disabled.
UARTi receive interrupt mode select bit
0 : Reception interrupt
1 : Reception error interrupt
CLK polarity select bit (This bit is used in the clock synchronous serial I/O mode.) (Note 2)
0 : At the falling edge of a transfer clock, transmit data is output;
at the rising edge, receive data is input.
When not in transfer, pin CLK’s level is “H”.
1 : At the rising edge of a transfer clock, transmit data is output;
at the falling edge, receive data is input.
When not in transfer, pin CLK’s level is “L”.
Transfer format select bit (This bit is used in the clock synchronous serial I/O mode.) (Note 2)
0 : LSB (Least Significant Bit) first
1 : MSB (Most Significant Bit) first
76543210
RE
RI
OER
FER
PER
SUM
TI
TE
Transmit enable bit
Transmit buffer empty flag
Receive enable bit
Receive complete flag
Overrun error flag
Framing error flag (Note 3)
Parity error flag (Note 3)
Error sum flag (Note 3)
UART0 transmit/receive control register 0
UART1 transmit/receive control register 0
Address
34 16
3C16
UART0 transmit/receive control register 1
UART1 transmit/receive control register 1
Address
3516
3D16
CPL
Notes 1: Valid when the CTS/RTS enable bit (bit 4) = “0”.
2: Fix these bits to “0” in UART mode or when serial I/O is invalid.
3: Valid in UART mode.
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