Section 19 Controller Area Network (RCAN-TL1)
Rev. 0.50 May 18, 2006 Page 948 of 1588
REJ09B0313-0050
Bit5 to 0 — RCAN-TL1 Timer Prescaler (TPSC[5:0]):
This control field allows the timer
source clock (4*[RCAN-TL1 system clock]) to be divided before it is used for the timer. This
function is available only in event-trigger mode. In time trigger mode (CMAX is not 3'b111), one
nominal Bit Timing (= one bit length of CAN bus) is automatically chosen as source clock of
TCNTR.
The following relationship exists between source clock period and the timer period.
Bit[5:0]: TPSC[5:0]
Description
0 0 0 0 0 0
1 X Source Clock (initial value)
0 0 0 0 0 1
2 X Source Clock
0 0 0 0 1 0
3 X Source Clock
0 0 0 0 1 1
4 X Source Clock
0 0 0 1 0 0
5 X Source Clock
. . . . . .
. . . . . .
. . . . . .
. . . . . .
1 1 1 1 1 1
64 X Source Clock
(2) Cycle
Maximum/Tx-Enable
Window Register (CMAX_TEW)
This register is a 16-bit read/write register. CMAX specifies the maximum value for the cycle
counter (CCR) for TT Transmissions to set the number of basic cycles in the matrix system. When
the Cycle Counter reaches the maximum value (CCR = CMAX), after a full basic cycle, it is
cleared to zero and an interrupt is generated on IRR.10.
TEW specifies the width of Tx-Enable window.
•
CMAX_TEW (Address = H'084)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
R
R
R
R
R
R/W
R/W
R/W
R
R
R
R
R/W
R/W
R/W
R/W
CMAX[2:0]
TEW[3:0]
Bit:
Initial value:
R/W:
-
-
-
-
-
-
-
-
-
Bits 15 to 11:
Reserved
. The written value should always be ‘0’ and the returned value is ‘0’.
Содержание Single-Chip Microcomputer SH7203
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Страница 98: ...Section 2 CPU Rev 0 50 May 18 2006 Page 68 of 1588 REJ09B0313 0050 ...
Страница 128: ...Section 4 Clock Pulse Generator CPG Rev 0 50 May 18 2006 Page 98 of 1588 REJ09B0313 0050 ...
Страница 200: ...Section 6 Interrupt Controller INTC Rev 0 50 May 18 2006 Page 170 of 1588 REJ09B0313 0050 ...
Страница 242: ...Section 8 Cache Rev 0 50 May 18 2006 Page 212 of 1588 REJ09B0313 0050 ...
Страница 400: ...Section 9 Bus State Controller BSC Rev 0 50 May 18 2006 Page 370 of 1588 REJ09B0313 0050 ...
Страница 668: ...Section 11 Multi Function Timer Pulse Unit 2 MTU2 Rev 0 50 May 18 2006 Page 638 of 1588 REJ09B0313 0050 ...
Страница 696: ...Section 13 Watchdog Timer WDT Rev 0 50 May 18 2006 Page 666 of 1588 REJ09B0313 0050 ...
Страница 726: ...Section 14 Realtime Clock RTC Rev 0 50 May 18 2006 Page 696 of 1588 REJ09B0313 0050 ...
Страница 796: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 0 50 May 18 2006 Page 766 of 1588 REJ09B0313 0050 ...
Страница 876: ...Section 17 I2 C Bus Interface 3 IIC3 Rev 0 50 May 18 2006 Page 846 of 1588 REJ09B0313 0050 ...
Страница 1020: ...Section 19 Controller Area Network RCAN TL1 Rev 0 50 May 18 2006 Page 990 of 1588 REJ09B0313 0050 ...
Страница 1054: ...Section 21 D A Converter DAC Rev 0 50 May 18 2006 Page 1024 of 1588 REJ09B0313 0050 ...
Страница 1226: ...Section 23 USB 2 0 Host Function Module USB Rev 0 50 May 18 2006 Page 1196 of 1588 REJ09B0313 0050 ...
Страница 1294: ...Section 24 LCD Controller LCDC Rev 0 50 May 18 2006 Page 1264 of 1588 REJ09B0313 0050 ...
Страница 1386: ...Section 26 I O Ports Rev 0 50 May 18 2006 Page 1356 of 1588 REJ09B0313 0050 ...
Страница 1512: ...Section 30 List of Registers Rev 0 50 May 18 2006 Page 1482 of 1588 REJ09B0313 0050 ...
Страница 1598: ...Section 31 Electrical Characteristics Rev 0 50 May 18 2006 Page 1568 of 1588 REJ09B0313 0050 ...
Страница 1606: ...Appendix Rev 0 50 May 18 2006 Page 1576 of 1588 REJ09B0313 0050 ...
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Страница 1622: ...SH7203 Group Hardware Manual ...