Table 35. write reg 19 H, data =55 Hex
TX_MESSAGE_5
00000000
01010101
TX_MESSAGE_5
Table 36. write reg 1A H, data =66Hex
TX_MESSAGE_6
00000000
01100110
TX_MESSAGE_6
Table 37. write reg 1B H, data =99Hex
TX_MESSAGE_7
00000000
10011001
TX_MESSAGE_7
(TX_MESSAGE_n registers) Setting of data message that must be transmitted as
answer to remote frame request.
Operation 4
Table 38. write reg 01 H, data =48Hex
(SETUP_1 register) AT7908E connected to BUS ,setting to answer to remote frame request, standard message, length of
message = 8 byte.
SETUP_1
Disabled
1
TXRM
0
TXEM
0
TMRMR
0
TXDLC3
0
TXDLC1
0
TXDLC1
0
TXDLC0
0
SETUP_1
Disabled
0
TXRM
1
TXEM
0
TMRMR
0
TXDLC3
1
TXDLC1
0
TXDLC1
0
TXDLC0
0
To be ready to answer to a remote frame request, the MCU must set the Txreq bit on the
SETUP_3 register. After the Txreq setting, the AT7908E waits for a remote frame
request that matches (see the filtering functionality) the identifier stored on the TX_ARB
registers.
41
AT7908E
4268D–AERO–11/09