参数资料
型号: ST72F60E1M1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO24
封装: 0.300 INCH, LEAD FREE, PLASTIC, SOP-24
文件页数: 122/139页
文件大小: 1993K
代理商: ST72F60E1M1
ST7260xx
Serial communications interface (SCI)
83/139
3OR
Overrun error
This bit is set by hardware when the word currently being received in the shift register
is ready to be transferred into the RDR register while RDRF = 1. An interrupt is
generated if RIE = 1 in the SCICR2 register. It is cleared by a software sequence (an
access to the SCISR register followed by a read to the SCIDR register).
0: No overrun error
1: Overrun error is detected
Note: When this bit is set RDR register content is not lost but the shift register is
overwritten.
2NF
Noise Flag
This bit is set by hardware when noise is detected on a received frame. It is cleared
by a software sequence (an access to the SCISR register followed by a read to the
SCIDR register).
0: No noise is detected
1: Noise is detected
Note: This bit does not generate interrupt as it appears at the same time as the
RDRF bit which itself generates an interrupt.
1FE
Framing Error
This bit is set by hardware when a desynchronization, excessive noise or a break
character is detected. It is cleared by a software sequence (an access to the SCISR
register followed by a read to the SCIDR register).
0: No framing error is detected
1: Framing error or break character is detected
Note: This bit does not generate interrupt as it appears at the same time as the
RDRF bit which itself generates an interrupt. If the word currently being transferred
causes both Frame Error and Overrun error, it is transferred and only the OR bit will
be set.
0PE
Parity Error
This bit is set by hardware when a parity error occurs in receiver mode. It is cleared
by a software sequence (a read to the status register followed by an access to the
SCIDR data register). An interrupt is generated if PIE = 1 in the SCICR1 register.
0: No parity error
1: Parity error
Table 38.
SCISR register description (continued)
Bit
Name
Function
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