Datasheet

Figure 2-4. MC9S08PA60 32-pin LQFP package
Pin functions
2.2.1 Power (V
DD
, V
SS
)
V
DD
and V
SS
are the primary power supply pins for the MCU. This voltage source
supplies power to all I/O buffer circuitry and to an internal voltage regulator. The internal
voltage regulator provides a regulated lower-voltage source to the CPU and to the MCU's
other internal circuitry.
2.2
Chapter 2 Pins and connections
MC9S08PA60 Reference Manual, Rev. 1, 9/2012
Freescale Semiconductor, Inc. 43