mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 327

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

11.3.3.2
The eight data segment registers, each with bits DB[7:0], contain the data to be transmitted or received.
The number of bytes to be transmitted or received is determined by the data length code in the
corresponding DLR register.
Module Base + 0x00X4 to Module Base + 0x00XB
Freescale Semiconductor
Module Base + 0x00X2
Module Base + 0x00X3
DB[7:0]
Field
7-0
Reset:
Reset:
Reset:
W
W
R
R
Figure 11-34. Data Segment Registers (DSR0–DSR7) — Extended Identifier Mapping
W
R
Data bits 7-0
Data Segment Registers (DSR0-7)
7
x
7
x
DB7
7
x
Figure 11-32. Identifier Register 2 — Standard Mapping
Figure 11-33. Identifier Register 3 — Standard Mapping
= Unused; always read ‘x’
= Unused; always read ‘x’
Table 11-33. DSR0–DSR7 Register Field Descriptions
6
x
6
x
DB6
x
6
S12XS Family Reference Manual Rev. 1.10
5
x
5
x
DB5
5
x
4
x
4
x
DB4
Description
4
x
Freescale’s Scalable Controller Area Network (S12MSCANV3)
x
x
DB3
3
3
x
3
DB2
2
x
2
x
2
x
DB1
x
x
1
1
1
x
DB0
0
x
0
x
x
0
327