TC1784
FlexRay™ Protocol Controller (E-Ray)
User´s Manual
20-233
V1.1, 2011-05
E-Ray, V3.13
and the mask configuration stored in
matches the transferred data stored in OBF Host (see
).
Now the Host can read the transferred Message Buffer from OBF Host while the
Message Handler may transfer the next message from the Message RAM to OBF
Shadow.
20.6.11.2 Data Transfers between IBF / OBF and Message RAM
This document uses the following terms and abbreviations:
Table 20-18 Assignment of Output Buffer Command Mask Bit
Pos. Access Bit
Function
17
rh
RDSH Data Section available for Host access
16
rh
RHSH Header Section available for Host access
1
rw
RDSS Read Data Section Shadow
0
rw
RHSS Read Header Section Shadow
Table 20-19 Assignment of Output Buffer Command Request Bit
Pos.
Access Bit
Function
22
−
16
rh
OBRH
OBF Request Host,
number of Message Buffer available for Host access
15
rh
OBSYS
OBF Busy Shadow,
signals ongoing transfer from Message RAM to OBF
Shadow
9
rw
REQ
Request Transfer from Message RAM to OBF Shadow
8
rwh
VIEW
View OBF Shadow, swap OBF Shadow, and OBF Host
6
−
0
rwh
OBRS
OBF Request Shadow,
number of Message Buffer for next request
Table 20-20 Terms and Abbreviations
Term
Meaning
MHD
Message Handler
IBF
Input Buffer 1 or 2 RAM
OBF
Output Buffer 1 or 2 RAM
MBF
Message Buffer RAM
TBF
Transient Buffer RAM Channel A (TBF1) or Channel B (TBF2)
Содержание TC1784
Страница 1: ...User s Manual V1 1 2011 05 Microcontrollers TC1784 32 Bit Single Chip Microcontroller ...
Страница 3: ...User s Manual V1 1 2011 05 Microcontrollers TC1784 32 Bit Single Chip Microcontroller ...
Страница 950: ...TC1784 Direct Memory Access Controller DMA User s Manual 11 132 V1 1 2011 05 DMA V3 03 ...
Страница 1949: ...TC1784 General Purpose Timer Array GPTA v5 User s Manual 21 297 V1 1 2011 05 GPTA v5 V1 14 ...
Страница 2350: ...w w w i n f i n e o n c o m Published by Infineon Technologies AG Doc_Number ...