mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 477

• Manufacturer Part Number: mc9s12xf512
• Description: S12x Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

13.5.2.7
Write: Anytime
This register is used to enable and disable the strobe port signals. Each disabled port will stay disabled even
when strobe signals are assigned to it.
13.5.2.8
Write:
This register defines the size of the message buffer data section for the two message buffer segments in a
number of two-byte entities.
The FlexRay block provides two independent segments for the individual message buffers. All individual
message buffers within one segment have to have the same size for the message buffer data section. This
size can be different for the two message buffer segments.
Freescale Semiconductor
Module Base + 0x000A
Module Base + 0x000C
Reset
Reset
STB3EN
STB2EN
STB1EN
STB0EN
W
W
Field
R
R
3
2
1
0
POC:config
15
15
0
0
0
0
Strobe Port 3 Enable — This control bit defines whether the STB3 port is enabled or disabled.
0 Strobe port STB3 disabled
1 Strobe port STB3 enabled
Strobe Port 2 Enable — This control bit defines whether the STB2 port is enabled or disabled.
0 Strobe port STB2 disabled
1 Strobe port STB2 enabled
Strobe Port 1 Enable — This control bit defines whether the STB1 port is enabled or disabled.
0 Strobe port STB1 disabled
1 Strobe port STB1 enabled
Strobe Port 0 Enable — This control bit defines whether the STB0 port is enabled or disabled.
0 Strobe port STB0 disabled
1 Strobe port STB0 enabled
Strobe Port Control Register (STBPCR)
Message Buffer Data Size Register (MBDSR)
14
14
0
0
0
13
13
0
0
0
Figure 13-8. Message Buffer Data Size Register (MBDSR)
12
12
0
0
0
Figure 13-7. Strobe Port Control Register (STBPCR)
MBSEG2DS
MC9S12XF - Family Reference Manual, Rev.1.19
Table 13-14. STBPCR Field Descriptions
11
11
0
0
0
10
10
0
0
0
0
0
0
9
9
0
0
0
8
8
Description
0
0
0
0
7
7
Chapter 13 FlexRay Communication Controller (FLEXRAY)
6
0
0
6
0
0
0
0
5
5
0
0
0
4
4
MBSEG1DS
STB3
EN
0
0
3
3
STB2
EN
0
0
2
2
STB1
EN
1
0
1
0
STB0
EN
0
0
0
0
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