参数资料
型号: M306H7MG-XXXFP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件页数: 14/115页
文件大小: 3146K
代理商: M306H7MG-XXXFP
Rev.2.10
Oct 25, 2006
Page 110 of 326
REJ03B0152-0210
M306H7MG-XXXFP/MC-XXXFP/FGFP
10. SERIAL I/O
Table 10.6
Registers to Be Used and Settings in UART Mode
Register
Bit
Function
UiTB
0 to 8
Set transmission data (Note 1)
UiRB
0 to 8
Reception data can be read (Note 1)
OER,FER,PER,SUM Error flag
UiBRG
0 to 7
Set a transfer rate
UiMR
SMD2 to SMD0
Set these bits to ‘1002’ when transfer data is 7 bits long
Set these bits to ‘1012’ when transfer data is 8 bits long
Set these bits to ‘1102’ when transfer data is 9 bits long
CKDIR
Select the internal clock or external clock
STPS
Select the stop bit
PRY, PRYE
Select whether parity is included and whether odd or even
IOPOL
Select the TxD/RxD input/output polarity
UiC0
CLK0, CLK1
Select the count source for the UiBRG register
CRS
_______
Select CTS or RTS to use
TXEPT
Transmit register empty flag
CRD
_______
Enable or disable the CTS or RTS function
NCH
Select TxDi pin output mode (Note 3)
CKPOL
Set to “0”
UFORM
LSB first or MSB first can be selected when transfer data is 8 bits long. Set this
bit to “0” when transfer data is 7 or 9 bits long.
UiC1
TE
Set this bit to “1” to enable transmission
TI
Transmit buffer empty flag
RE
Set this bit to “1” to enable reception
RI
Reception complete flag
U2IRS (Note 2)
Select the source of UART2 transmit interrupt
U2RRM (Note 2)
Set to “0”
UiLCH
Set this bit to “1” to use inverted data logic
UiERE
Set to “0”
UiSMR
0 to 7
Set to “0”
UiSMR2
0 to 7
Set to “0”
UiSMR3
0 to 7
Set to “0”
UiSMR4
0 to 7
Set to “0”
UCON
U0IRS, U1IRS
Select the source of UART0/UART1 transmit interrupt
U0RRM, U1RRM
Set to “0”
CLKMD0
Invalid because CLKMD1 = 0
CLKMD1
Set to “0”
RCSP
_________
Set this bit to “1” to accept as input the UART0 CTS0 signal from the P64 pin
7
Set to “0”
Note 1: The bits used for transmit/receive data are as follows: Bit 0 to bit 6 when transfer data is 7 bits long;
bit 0 to bit 7 when transfer data is 8 bits long; bit 0 to bit 8 when transfer data is 9 bits long.
Note 2: Set the U0C1 and U1C1 registers bit 4 to bit 5 to “0”. The U0IRS, U1IRS, U0RRM and U1RRM bits
are included in the UCON register.
Note 3: TxD2 pin is N channel open-drain output. Set the U2C0 register's NCH bit to “0”.
i=0 to 2
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