參數(shù)資料
型號(hào): R5F212ACSNFA
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 43/138頁
文件大?。?/td> 492K
代理商: R5F212ACSNFA
224
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
19.6.4
EUSART Control Register B – EUCSRB
Bit 7:5 –Reserved Bits
These bits are reserved for future use. For compatibilty with future devices, these bits must be
written to zero when EUSCRB is written.
Bit 4 – EUSART Enable Bit
Set to enable the EUSART mode, clear to operate as standard USART.
Bit 3– EUSBS Enable Bit
This bit selects the number of stop bits detected by the receiver.
Note:
The number of stop bit inserted by the Transmitter in EUSART mode is configurable through the
USBS bit of in the of the USART.
Bit 2–Reserved Bit
This bit is reserved for future use. For compatibility with future devices, this bit must be written to
zero when EUSCRB is written.
Bit 1 – Manchester mode
When set the EUSART operates in manchester encoder/decoder mode (Manchester encoded
frames). When cleared the EUSART detected and transmit level encoded frames.
1001
14-bit
1010
15-bit
1011
16-bit
1100
Reserved
1101
Reserved
1110
16 OR 17 bit (for Manchester
encoded only mode)
1111
17-bit
Table 19-2.
URxS Bits Settings
URxS3
URxS2
URxS1
URxS0
Receive Character Size
Bit
76543210
-
EUSART
EUSBS
-
EMCH
BODR
EUCSRB
Read/Write
R
R/W
R
R/W
Initial Value
00000000
Table 19-3.
EUSBS Bit Settings
EUSBS
Receiver Stop Bit(s)
01-bit
12-bit
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