參數(shù)資料
型號: SAF82525
廠商: INFINEON TECHNOLOGIES AG
英文描述: Data Communications ICs
中文描述: 數(shù)據(jù)通信集成電路
文件頁數(shù): 85/126頁
文件大?。?/td> 730K
代理商: SAF82525
Semiconductor Group
85
SAB 82525
SAB 82526
SAF 82525
SAF 82526
PCE … Protocol Error (significant in auto-mode only!)
The HSCX has detected a protocol error, i.e. it has received
an S-, or
I
-frame with incorrect N (R)
an S-frame containing an
I
-field.
RFO … Receive Frame Overflow
One frame could not be stored due to occupied RFIFO (i.e. whole frame has been lost). This
interrupt can be used for statistical purposes and indicates, that the CPU does not respond
quickly enough to an incoming RPF, or RME interrupt.
CSC … Clear to send Status Change
Indicates, that a state transition has occurred at the CTS pin. The actual state can be read
from STAR register (CTS bit).
This interrupt must be enabled setting the CIE bit in CCR2.
RFS. . .Receive Frame Start
This is an early receiver interrupt activated after the start of a valid frame has been detected,
i.e. after a valid address check in operation modes providing address recognition, otherwise
after the opening flag (transparent mode 0), delayed by two bytes.
After an RFS interrupt, the contents of
RHCR
RAL1
RSTA – bit 3-0
are valid and can be read by the CPU.
This interrupt must be enabled setting the RIE bit in CCR2.
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