Chapter 19 Port Integration Module (S12XFPIMV2)
MC9S12XF - Family Reference Manual, Rev.1.19
Freescale Semiconductor
885
19.3.61 Port J Data Register (PTJ)
Address 0x0268
Access: User read/write(1)
1. Read: Anytime.
Write: Anytime.
76543210
R
PTJ7
PTJ6
PTJ5
PTJ4
PTJ3
PTJ2
PTJ1
PTJ0
W
Altern.
Function
—
STB3
STB2
STB1
STB0
IS2
IS1
IS0
Reset
00000000
Figure 19-59. Port J Data Register (PTJ)
Table 19-52. PTJ Register Field Descriptions
Field
Description
7
PTJ
Port J general purpose input/output data—Data Register
This pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
6
PTJ
Port J general purpose input/output data—Data Register
This pin is associated with the FlexRay debug strobe signal 3.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
5
PTJ
Port J general purpose input/output data—Data Register
This pin is associated with the FlexRay debug strobe signal 2.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
4
PTJ
Port J general purpose input/output data—Data Register
This pin is associated with the FlexRay debug strobe signal 1.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
3
PTJ
Port J general purpose input/output data—Data Register
This pin is associated with the FlexRay debug strobe signal 0.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
2
PTJ
Port J general purpose input/output data—Data Register
This pin is associated with the PMF current status signal IS2.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.