Datasheet

56F8355 Technical Data, Rev. 17
16 Freescale Semiconductor
Preliminary
Part 2 Signal/Connection Descriptions
2.1 Introduction
The input and output signals of the 56F8355 and 56F8155 are organized into functional groups, as shown
in Table 2-1 and as illustrated in Figure 2-1. In Table 2-2, each table row describes the signal or signals
present on a pin.
Table 2-1 Functional Group Pin Allocations
Functional Group
Number of Pins in Package
56F8355 56F8155
Power (V
DD
or V
DDA
)99
Power Option Control 1 1
Ground (V
SS
or V
SSA
)66
Supply Capacitors
1
& V
PP
1. If the on-chip regulator is disabled, the V
CAP
pins serve as 2.5V V
DD_CORE
power inputs
66
PLL and Clock 4 4
Bus Control 6 6
Interrupt and Program Control 4 4
Pulse Width Modulator (PWM) Ports 26 13
Serial Peripheral Interface (SPI) Port 0 4 4
Serial Peripheral Interface (SPI) Port 1 — 4
Quadrature Decoder Port 0
2
2. Alternately, can function as Quad Timer pins or GPIO
44
Quadrature Decoder Port 1
3
3. Pins in this section can function as Quad Timer, SPI 1, or GPIO
4—
Serial Communications Interface (SCI) Ports 4 4
CAN Ports 2 —
Analog-to-Digital Converter (ADC) Ports 21 21
Timer Module Ports 6 4
JTAG/Enhanced On-Chip Emulation (EOnCE) 5 5
Temperature Sense 1 —
Dedicated GPIO ( Address Bus = 11; Data Bus = 4; Other = 13
4
)
4. EMI not functional in these packages; use as GPIO pins.
28 28