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SH7059 Datasheet, PDF (517/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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17. Controller Area Network-II (HCAN-II)
Note:
The message control (STDID/EXTID/RTR/IDE), timestamp, and LAFM/transmission trigger time fields can only
be accessed in word size (16 bits), whereas the message control (NMC/ATX/MBC/DLC) and the message data
area can be accessed in word (16-bit) or byte (8-bit) size. As unused mailboxes affect the RAM configuration, bits
of other than the MBC bit must be initialized to 0 while the MBC setting is inactive. When the LAFM is not used
to receive messages, it must be cleared (it must be set to 0).
Table 17.2 Mailbox Configuration
Mailbox
0 (Receive only)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Address
Control
6 Bytes
100 â 105
120 â 125
140 â 145
160 â 165
180 â 185
1A0 â 1A5
1C0 â 1C5
1E0 â IE5
200 â 205
220 â 225
240 â 245
260 â 265
280 â 285
2A0 â 2A5
2C0 â 2C5
2E0 â 2E5
300 â 305
320 â 325
340 â 345
360 â 365
380 â 385
3A0 â 3A5
3C0 â 3C5
3E0 â 3E5
400 â 405
420 â 425
440 â 445
460 â 465
480 â 485
4A0 â 4A5
4C0 â 4C5
4E0 â 4E5
Timestamp
2 Bytes
106 â 107
126 â 127
146 â 147
166 â 167
186 â 187
1A6 â 1A7
1C6 â 1C7
1E6 â 1E7
206 â 207
226 â 227
246 â 247
266 â 267
286 â 287
2A6 â 2A7
2C6 â 2C7
2E6 â 2E7
306 â 307
326 â 327
346 â 347
366 â 367
386 â 387
3A6 â 3A7
3C6 â 3C7
3E6 â 3E7
406 â 407
426 â 427
446 â 447
466 â 467
486 â 487
4A6 â 4A7
4C6 â 4C7
4E6 â 4E7
Data
8 Bytes
108 â 10F
128 â 12F
148 â 14F
168 â 16F
188 â 18F
1A8 â 1AF
1C8 â 1CF
1E8 â 1EF
208 â 20F
228 â 22F
248 â 24F
268 â 26F
288 â 28F
2A8 â 2AF
2C8 â 2CF
2E8 â 2EF
308 â 30F
328 â 32F
348 â 34F
368 â 36F
388 â 38F
3A8 â 3AF
3C8 â 3CF
3E8 â 3EF
408 â 40F
428 â 42F
448 â 44F
468 â 46F
488 â 48F
4A8 â 4AF
4C8 â 4CF
4E8 â 4EF
LAFM/Trigger Time
4 Bytes
110 â 113
130 â 133
150 â 153
170 â 173
190 â 193
1B0 â 1B3
1D0 â 1D3
1F0 â 1F3
210 â 213
230 â 233
250 â 253
270 â 273
290 â 293
2B0 â 2B3
2D0 â 2D3
2F0 â 2F3
310 â 313
330 â 333
350 â 353
370 â 373
390 â 393
3B0 â 3B3
3D0 â 3D3
3F0 â 3F3
410 â 413
430 â 433
450 â 453
470 â 473
490 â 493
4B0 â 4B3
4D0 â 4D3
4F0 â 4F3
Mailbox 0 is a receive-only mailbox, and all the rest of mailbox 1 to mailbox 31 can operate as both receive and transmit
mailboxes according to the MBC (Mailbox Configuration) bits in the message control. Figure 17.3 shows the
configuration of a mailbox in detail.
Rev.3.00 Mar. 12, 2008 Page 427 of 948
REJ09B0177-0300
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