Chapter 2 Port Integration Module (S12ZVHYPIMV1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
73
A standard port pin has the following minimum features:
•
Input/output selection
•
5V output drive
•
5V digital and analog input
•
Input with selectable pullup or pulldown device
Optional features supported on dedicated pins:
•
Open drain for wired-or connections
•
Interrupt input with glitch filtering
•
Slew rate control on motor pads
2.2
External Signal Description
This section lists and describes the signals that do connect off-chip.
shows all pins with the pins and functions that are controlled by the PIM. Routing options are
denoted in parenthesis.
NOTE
If there is more than one function associated with a pin, the output priority
is indicated by the position in the table from top (highest priority) to bottom
(lowest priority).
Table 2-1. Pin Functions and Priorities
Port Pin Name
Pin Function
& Priority
(1)
I/O
Description
Routing Register
Pin
Function
after Reset
-
BKGD
MODC
(2)
I
MODC input during RESET
BKGD
BKGD
I/O S12ZBDC communication
