MC9S12XEQ512MAL Datasheet, PDF (637/1324 Pages) Freescale Semiconductor, Inc – HCS12X Microcontrollers

Chapter 16 Freescale’s Scalable Controller Area Network (S12MSCANV3)
Module Base + 0x00X2
7
6
5
4
3
2
1
0
R
W
Reset:
x
x
x
x
x
x
x
x
= Unused; always read ‘x’
Figure 16-32. Identifier Register 2 — Standard Mapping
Module Base + 0x00X3
7
6
5
4
3
2
1
0
R
W
Reset:
x
x
x
x
x
x
x
x
= Unused; always read ‘x’
Figure 16-33. Identifier Register 3 — Standard Mapping
16.3.3.2 Data Segment Registers (DSR0-7)
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
7
R
DB7
W
6
DB6
5
DB5
4
DB4
3
DB3
2
DB2
1
DB1
0
DB0
Reset:
x
x
x
x
x
x
x
x
Figure 16-34. Data Segment Registers (DSR0–DSR7) — Extended Identifier Mapping
Table 16-33. DSR0–DSR7 Register Field Descriptions
Field
7-0
DB[7:0]
Data bits 7-0
Description
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
637