MPC5644BCAMMJ1 datasheet(37/116 Pages) NXP

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Package pinouts and signal descriptions

MPC5646C Microcontroller DataSheet, Rev. 7

NXP Semiconductors

PM[1]

PCR[193]

AF0

AF1

AF2

AF3

GPIO[193]

—

MDO10

—

SIUL

—

Nexus

—

I/O

—

M/S

Tristate

—

PM[2]

PCR[194]

AF0

AF1

AF2

AF3

GPIO[194]

—

MDO11

—

SIUL

—

Nexus

—

I/O

—

M/S

Tristate

—

F12

PM[3]

PCR[195]

AF0

AF1

AF2

AF3

GPIO[195]

—

SIUL

—

I/O

—

M/S

Tristate

—

K12

PM[4]

PCR[196]

AF0

AF1

AF2

AF3

GPIO[196]

—

SIUL

—

I/O

—

M/S

Tristate

—

L12

PM[5]

PCR[197]

AF0

AF1

AF2

AF3

GPIO[197]

—

SIUL

—

I/O

—

M/S

Tristate

—

PM[6]

PCR[198]

AF0

AF1

AF2

AF3

GPIO[198]

—

SIUL

—

I/O

—

M/S

Tristate

—

1 Alternate functions are chosen by setting the values of the PCR.PA bitfields inside the SIUL module. PCR.PA =

000

→ AF0; PCR.PA = 001 → AF1; PCR.PA = 010 → AF2; PCR.PA = 011 → AF3; PCR.PA = 100 → ALT4. This is

intended to select the output functions; to use one of the input functions, the PCR.IBE bit must be written to ‘1’,

regardless of the values selected in the PCR.PA bitfields. For this reason, the value corresponding to an input only

function is reported as “—”.

2 Multiple inputs are routed to all respective modules internally. The input of some modules must be configured by

setting the values of the PSMIO.PADSELx bitfields inside the SIUL module.

3 NMI[0] and NMI[1] have a higher priority than alternate functions. When NMI is selected, the PCR.PA field is

ignored.

4 SXOSC’s OSC32k_XTAL and OSC32k_EXTAL pins are shared with GPIO functionality. When used as crystal pins,

other functionality of the pin cannot be used and it should be ensured that application never programs OBE and

PUE bit of the corresponding PCR to "1".

5 If you want to use OSC32K functionality through PB[8] and PB[9], you must ensure that PB[10] is static in nature

as PB[10] can induce coupling on PB[9] and disturb oscillator frequency.

6 Out of reset all the functional pins except PC[0:1] and PH[9:10] are available to the user as GPIO.

PC[0:1] are available as JTAG pins (TDI and TDO respectively).

PH[9:10] are available as JTAG pins (TCK and TMS respectively).

It is up to the user to configure these pins as GPIO when needed.

Table 4. Functional port pin descriptions (continued)

Port

PCR

Function

Pin number

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