Datasheet

Chapter 2 Port Integration Module (S12XEPIMV1)
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor 167
2.3.91 PIM Reserved Register
2.3.92 Port R Routing Register (PTRRR)
Table 2-86. PPSR Register Field Descriptions
Field Description
7-0
PPSR
Port R pull device select—Determine pull device polarity on input pins
This register selects whether a pull-down or a pull-up device is connected to the pin.
1 A pull-down device is connected to the associated pin, if enabled and if the pin is used as input.
0 A pull-up device is connected to the associated pin, if enabled and if the pin is used as input.
Address 0x036E Access: User read
(1)
1. Read: Always reads 0x00
Write: Unimplemented
76543210
R00000000
W
Reset 00000000
= Unimplemented or Reserved
Figure 2-89. PIM Reserved Register
Address 0x036F Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
76543210
R
PTRRR7 PTRRR6 PTRRR5 PTRRR4 PTRRR3 PTRRR2 PTRRR1 PTRRR0
W
Reset 00000000
= Unimplemented or Reserved
Figure 2-90. Port R Routing Register (PTRRR)
Table 2-87. PTR Routing Register Field Descriptions
Field Description
7
PTRRR
Port R routing—
This register configures the re-routing of the associated TIM channel.
1 TIMIOC7 is available on PP7
0 TIMIOC7 is available on PR7
6
PTRRR
Port R routing—
This register configures the re-routing of the associated TIM channel.
1 TIMIOC6 is available on PP6
0 TIMIOC6 is available on PR6