MPC5644B View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'MPC5644B' PDF : 114 Pages View PDF
F = Fast1, 2
I = Input only with analog feature1
A = Analog
3.2 System pins
The system pins are listed in Table 3.
Table 3. System pin descriptions
Port pin
Function
I/O
Pad
direction type
RESET
config.
Pin number
RESET Bidirectional reset with Schmitt-Trigger
characteristics and noise filter.
I/O
M Input, weak 29
29
K1
pull-up only
after
PHASE2
EXTAL Analog output of the oscillator amplifier
I/O
A1
—
58
74
T8
circuit, when the oscillator is not in bypass
mode.
Analog input for the clock generator when
the oscillator is in bypass mode.
XTAL Analog input of the oscillator amplifier
I
A1
—
56
72
T7
circuit. Needs to be grounded if oscillator
bypass mode is used.
1 For analog pads, it is not recommended to enable IBE if APC is enabled to avoid extra current in middle range
voltage.
3.3 Functional ports
The functional port pins are listed in Table 4.
Table 4. Functional port pin descriptions
Port
pin
PCR
Function
Pin number
PA[0] PCR[0]
AF0
AF1
AF2
AF3
—
—
GPIO[0]
E0UC[0]
CLKOUT
E0UC[13]
WKPU[19]
CAN1RX
SIUL
I/O M/S Tristate 24
eMIOS_0 I/O
MC_CGM O
eMIOS_0 I/O
WKPU
I
FlexCAN_1 I
24 G4
MPC5646C Microcontroller Data Sheet, Rev. 3
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
13
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