MC3S12RG128 Datasheet, PDF (93/546 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 2 Port Integration Module (PIM3RG128V1) Block Description
2.3.2.4 Module Routing Register (MODRR)
Module Base + 0x_0017
7
R
0
W
6
5
4
3
2
1
0
0
MODRR5 MODRR4 MODRR3 MODRR2 MODRR1 MODRR0
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-23. Module Routing Register (MODRR)
Read: Anytime.
Write: Anytime.
This register configures the re-routing of CAN0, CAN4, SPI0, SPI1, and SPI2 on defined port pins.
Table 2-18. MODRR Field Descriptions
Field
5
SPI1 Routing Bit — See Table 2-19.
MODRR5
4
CAN0 Routing Bit — See Table 2-22.
MODRR4
3–2
CAN4 Routing Bit — See Table 2-21.
MODRR[3:2]
1–0
SPI0 Routing Bit — See Table 2-20.
MODRR[1:0]
Description
Table 2-19. SPI1 Routing
MODRR[5] MISO1
MOSI1
SCK1
SS1
0
PP0
PP1
PP2
PP3
1
PH0
PH1
PH2
PH3
MODRR[4]
0
1
Table 2-20. SPI0 Routing
MISO0
PS4
PM2
MOSI0
PS5
PM4
SCK0
PS6
PM5
SS0
PS7
PM3
MODRR[3]
0
0
1
Table 2-21. CAN4 Routing
MODRR[2]
RXCAN4
0
PJ6
1
PM4
0
PM6
TXCAN4
PJ7
PM5
PM7
MC3S12RG128 Data Sheet, Rev. 1.05
Freescale Semiconductor
93