Freescale Semiconductor Qorivva MPC5746R-176DS User manual

Freescale Semiconductor

User’s Guide

Document Number:

MPC5746REVB176UG

Rev. 1.6, 9/2015

Contents

1 Introduction

This document describes the Qorivva MPC5746R

evaluation board (EVB) for the 176LQFP, the

252MAPBGA, and the 144LQFP packages. The EVB is

targeted at providing a platform for the evaluation and

development of the MPC5746R automotive MCU,

facilitating hardware and software development as well

as debugging. Settings for switches, jumpers, LEDs, and

push-buttons are shown for basic operation of the

prototype version of the EVB.

This document is preliminary and is subject to change

without notice.

2Features

The EVB provides the following primary features listed

below:

• Standalone operation or use with the optional

MPC57XXXMB main board

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3 Modular concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

4 EVB configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

4.1 Methods of operation. . . . . . . . . . . . . . . . . . . . . . . . 3

4.2 Power source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

4.3 Clock Configuration Options . . . . . . . . . . . . . . . . . . 5

4.4 Micro Second Channel Connections . . . . . . . . . . . . 5

4.5 ADC Channel Filters . . . . . . . . . . . . . . . . . . . . . . . . 6

4.6 SIPI Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.7 JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.8 I/O Connectivity and Port Routing . . . . . . . . . . . . . . 9

5 Reset switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7 Test points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

8 EVB Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

9 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

10 EVB Errata. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Qorivva MPC5746R-176DS/252DS

Evaluation Board (EVB)

User’s Guide

by: Bill Terry

32-bit Automotive Applications

Downloaded from Arrow.com.

Modular concept

Freescale Semiconductor2

• Socketed MPC5746R in 176-pin LQFP package, 144-pin LQFP package, or 252MAPBGA

package

•Power options

— Power supplied via the two interface connectors when using the EVB with the optional

MPC57XXXMMB main board

— Power supplied via terminal block when using the EVB in standalone configuration

•Debug and trace

— debug via JTAG connector

— Trace using internal trace memory

•Clocks

— 20 MHz crystal

— SMA connector for external clock

— Oscillator

• MicroSecond Channel

— SAMTECH connector providing easy connection to microsecond channel pins

•I/O connectivity

— Access to all port pins when using the EVB with the optional MPC57XXXMB main

board— Access to SCI, CAN, LIN, and UARTphysical interfaces when using the EVB with

the optional MPC57XXXMB main board

• Switches

— Power-on reset

• LEDs for power indication

• Test points

3 Modular concept

The MPC5746R-176DS/252DS/144DSis part of a modular EVB hardware system that consists of:

• A common main board that provides power and access to common communication interfaces and

the MCU I/O port pins. The MPC5746R-176DS/252DS/144DSis compatible with the

MPC57XXXMB main board.

•Apackage-specific EVB to support all available production package types of the MPC5746R1.

NOTE

The MPC57XXXMB User Guide should be obtained to provide additional

configuration information when used with the MPC5746-xxxDS.

See Figure 1., “MPC5746R EVB and main board system” for an illustration of the modular EVB

hardware system concept.

1.The MPC5746R Emulation Device (ED) requires separate hardware that may beordered through your Freescale

Salesperson or Representative.

Qorivva MPC5746R-176DS/252DSEvaluation Board (EVB) User’s Guide, Rev. 1.6

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EVB configuration

Qorivva MPC5746R-176DS/252DSEvaluation Board (EVB) User’s Guide, Rev. 1.6

Freescale Semiconductor 3

Figure 1. MPC5746R EVB and main board system

4 EVB configuration

This section provides information on how to configure the jumper settings on the EVB. Default settings

are marked as such.

4.1 Methods of operation

Power to the EVB is supplied by one of two options:

1. The MPC57XXXMB main board generates the 5 V/3.3 V/1.25 V supplies and provides these to

the EVB via the interface connectors.

2. In standalone configuration, external 5 V/3.3 V/1.25 V supplies are provided to the EVB via the

terminal block. (This option provides minimal access to I/O)

4.2 Power source

The default jumper settings are configured for using the EVB with the MPC57XXXMB main board.

Power is supplied from the main board to the EVB via the two interface connectors.

The EVB can also operate as a standalone device, where power can be supplied from an external power

source.

Table 1summarizes the jumper settings for the available power options.

Table 1. Jumper Settings — Power Options

Jumper Setting Description

J23 Choose one:

1-2 ON

2-3 ON

Main IO Voltage Supply - VDD_HV_IO_MAIN

5V supply from motherboard (default)

5V supply from external source

MPC57XXXMB

MPC5746R-176DS/252DS

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Qorivva MPC5746R-176DS/252DSEvaluation Board (EVB) User’s Guide, Rev. 1.6

EVB configuration

Freescale Semiconductor4

J19 Choose one:

1-3 ON

7-9 ON

3-4 ON

7-8 ON

Low voltage power select - VDD_LV_SELECT

3.3V mother board supply (default)

5.0V mother board supply

3.3V external supply

5.0V external supply

J18 Choose one:

3-5 ON

3-4 ON

1-3 ON

Low voltage core select - VDD_LV

1.25V external supply 1.25V

internal regulator supply 1.25V

mother board supply (default)

J22 Choose one:

1-2 ON

2-3 ON

SAR ADC Voltage Supply - VDD_HV_ADV_SAR

5.0V mother board supply (default)

5.0V external supply

J8 Choose one:

1-2 ON

2-3 ON

SD ADC Voltage Supply - VDD_HV_ADV_SD

5.0V mother board supply (default)

5.0V external supply

J3 Choose one:

7-9 ON

1-3 ON

7-8 ON

3-4 ON

High voltage JTAG power - VDD_HV_IO_JTAG

5.0V mother board supply

3.3V mother board supply (default)

5.0V external supply

3.3V external supply

J5 Choose one:

7-9 ON

1-3 ON

3-4 ON

7-8 ON

Microsecond Channel I/O Segment Voltage Supply - VDD_HV_IO_MSC

5.0V mother board supply (default)

3.3V mother board supply

3.3V external supply

5.0V external supply

J20 Choose one

7-9 ON

1-3 ON

3-4 ON

7-8 ON

Ethernet I/O Segment Voltage Supply - VDD_HV_IO_FEC

5.0V mother board supply

3.3V mother board supply (default)

3.3V external supply

5.0V external supply

J14 Choose one:

1-2 ON

2-3 ON

High voltage PMC supply - VDD_HV_PMC

5.0V motherboard supply (default)

5.0V external supply

J4 Choose one:

7-9 ON

1-3 ON

3-4 ON

7-8 ON

3-5 ON

Standby RAM Supply Input - VDDSTBY

5.0V mother board supply

3.3V mother board supply (default)

3.3V external supply

5.0V external supply

GND (default)

J17 Choose one:

Installed

Removed

BCTRL - On-chip regulator pass transistor control

Control enabled

Control disabled

J12 Choose one:

1-2

2-3

Oscillator Power - OSC_PWR

3.3V mother board supply (default)

3.3V external supply

Table 1. Jumper Settings — Power Options (continued)

Jumper Setting Description

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EVB configuration

Freescale Semiconductor 5

If stand alone operation is desired, the following power supplies connections should be made on J6 (see

Table 2). If using the external supplies option, the user should reference the MPC5746R Data Sheet to

ensure that IDD requirements for each supply are met.

4.3 Clock Configuration Options

The EVB provides three clocking options that are controlled by jumpers:

• On board 20 MHz crystal oscillator

• On board oscillator

• SMA connector for external clock source

Table 3 summarizes the jumper settings for the available clock options. Note that some of these jumpers

are ‘non-populated’ by default and the clock source is configured by default for crystal oscillator

operation.

Table 2. External power input

J6 Description

Pin 1 1.25 V

Pin 2 3.3 V

Pin 3 5 V

Pin 4 GND

Table 3. Jumper Settings - Clock Configuration

Jumpers Selected Clock Source

Reference

Designator Description Crystal

(default) Oscillator SMA

JP2 Shunt to terminate EXTAL with 49.9 ohm resistor to GND Remove Remove Install

JP3 Shunt to connect EXTAL to crystal Install Remove Remove

JP4 Shunt to connect EXTAL to oscillator Remove Install Remove

JP5 Shunt to connect EXTAL to SMA connector Remove Remove Install

JP6 Shunt to connect XTAL to GND Remove Install Install

J10 Oscillator enable Remove Install1

1 If the oscillator is selected as the clock source, check that J12 (see Table 1) is usedto select the desired oscillator power.

4.4 Micro Second Channel Connections

The microsecond channel signals on MSC1 are grouped at a SAMTECH ERF-8 connector on the EVB to

provide easier user access. This also allows better trace routing of the differential pair signals. The

connections of MSC1 on the connector are shown in Figure 2.

Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

Remove

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EVB configuration

Freescale Semiconductor6

Note that by default these signals are not routed to the motherboard via the motherboard interface

connectors. However, zero ohm resistors may be installed at the reference designators listed in Figure 2 if

the signals need to be routed to the motherboard for use as GPIO or other purposes.

Figure 2. Samtech ERF8 - MSC1 Connections (20-pin)

The following table lists the port and pins associated with each of the MSC channel signals.

4.5 ADC Channel Filters

For convenience, the EVB implements analog RC filters on one differential ADC channel pair, and two

single ended ADC channels. The single ended filter configuration is shown in Figure 3, and the differential

pair filter configuration is shown in Figure 4. The user may modify these component values for the desired

application.

Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

Table 4. MSC Signal Mapping

Signal Name Device

Port

Pin Assignment

176LQFP 252MAPBGA

MSC1 MSC1_SOUTN PA7 165 C6

MSC1_SOUTP PA8 164 A6

MSC1_CLKN PA9 161 A7

MSC1_CLKP PA10 160 B7

MSC1_RX PA11 159 C7

MSC1_CS1 PA12 158 B8

MSC1_CS0 PA13 157 A8

19 20

VSS

MSC1_SOUTN PA[7]

MSC1_SOUTP PA[8]

MSC1_CLKN PA[9]

MSC1_CLKP PA[10]

MSC1_RX PA[11]

MSC1_CS1 PA[12]

MSC1_CS0 PA[13]

VSS

Motherboard Connector

0000

Not populated

R2 R3 R4 R5 R15

R14 R16

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EVB configuration

Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

Freescale Semiconductor 7

Figure 3. Single Ended ADC Channel Filters

Figure 4. Differential ADC Channel Filter

4.6 SIPI Interface

A SIPI interface is provided on the EVB for high speed interprocessor communications. The SIPI interface

connections are shown in Figure 5 and listed in Table 5.

PZ14 20K

PZ15 20K

0.01μF0.01μF

C39

0.01μF

C38

0.01μF

C48 C47

J11

R19

R21

PY0 20K

PY1

20K

C62

100pF

C61

100pF

J15

R23

R24

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Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

EVB configuration

Freescale Semiconductor8

Figure 5. SIPI Interface

4.7 JTAG Interface

A standard JTAG interface is provided on the EVB for debug connections. Note that the Aurora high speed

debug interface is only available with the MPC5746R BD trace adapter board provided as part of the

Freescale calibration solution. The JTAG interface connections are shown in Figure 6 and listed in Table 6.

Table 5. SIPI connector (J1)

Pin Signal Pin Signal

1 SIPI TXP 2 GND

3 SIPI TXN 4 GND

5GND 6SIPI_CLK

7 SIPI RXN 8 GND

9 SIPI RXP 10 GND

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EVB configuration

Freescale Semiconductor 9

Figure 6. JTAG Interface

4.8 I/O Connectivity and Port Routing

Most of the MCU’s I/Os are routed to the main mother board. These include the pins associated with the

FlexCAN, Ethernet, and LinFlex interfaces and other normal GPIO pins. The MPC57XXXMB provides

physical layer drivers for these communication protocols. See the MPC57XXXMB User Guide for the

correct jumper settings to enable and configure these drivers and associated circuits.

Table 7lists the mapping from the MPC5746R device ports to the existing headers/ports on the

MPC57XXXMB motherboard, and to the FlexCAN, Ethernet, UARTand LinFlex drivers.

Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

Table 6. JTAG connector (J7)

Pin Signal Pin Signal

1TDI 2GND

3TDO 4GND

5TCK 6GND

7 EVTI0 8 PORST_B

9 RESET_B 10 TMS

11 VDD_HV_IO_JTAG 12 GND

13 EVTO0 14 JCOMP

Qorivva MPC5746R-176DS/252DS Evaluation Board (EVB) User’s Guide, Rev. 1.6

EVB configuration

Freescale Semiconductor10

Table 7. Port to Motherboard Mapping — 144LQFP, 176LQFP and 252MAPBGA

MPC5746R Pin Number MPC57XXXMB Motherboard

Port

Function

144LQFP 176LQFP 252MAPBGA

144LQFP 176LQFP

252MAPBGA 144LQFP 176LQFP

252MAPBGA

PA[0] MSC0_CS0 — 142 174 A3 PP[7]2PA[0]

PA[1] MSC0_CS1/SIPI_RXN SIPI_RXN 141 173 B3 PP[8]2no connect1

PA[2] MSC0_RX/SIPI_RXP SIPI_RXP 140 172 A4 PP[9]2no connect1

PA[3] MSC0_CLKN — 139 171 B4 PP[10]2PA[3]

PA[4] MSC0_CLKP/SIPI_CLK SIPI_CLK 138 170 C4 PP[11]2no connect1

PA[5] MSC0_SOUTN/SIPI_TXN SIPI_TXN 137 169 C5 PP[12]2no connect1

PA[6] MSC0_SOUTP/SIPI_TXP SIPI_TXP 136 168 B5 PP[13]2no connect1

PA[7] n/a MSC1_SOUTN 165 C6 n/a PP[7]2

PA[8] n/a MSC1_SOUTP 164 C7 n/a PP[8]2

PA[9] n/a MSC1_CLKN 161 A6 n/a PP[92]

PA[10] n/a MSC1_CLKP 160 A7 n/a PP[10]2

PA[11] n/a MSC1_RX 159 B7 n/a PP[11]2

PA[12] n/a MSC1_CS1 158 B8 n/a PP[12]2

PA[13] n/a MSC1_CS0 157 A8 n/a PP[13]2

PB[0] TDO 143 175 D1 no connect3

PB[1] TDI 144 176 E3 no connect3

PC[0] FEC_REF_CLK 45 56 Y9 PA[15]

PC[1] FEC_TXCLK 46 57 W9 PK[14]

PC[2] FEC_TXEN 47 58 V9 PC[14]

PC[3] FEC_TXD3 48 59 U9 PM[5]

PC[4] FEC_TXD2 49 60 W10 PM[4]

PC[5] FEC_TXD1 50 61 V10 PE[12]

PC[6] FEC_TXD0 51 62 U10 PC[15]

PC[7] FEC_RXD0 54 65 Y11 PC[12]

PC[8] FEC_RXD1 55 66 V11 PC[13]

PC[9] FEC_RXD2 56 67 U11 PM[1]

PC[10] FEC_RXD3 57 68 Y12 PK[15]

PC[11] FEC_RXER 58 69 W12 PM[3]

PC[12] FEC_RXCLK 59 70 V12 PC[10]

PC[13] FEC_RXDV 60 71 U12 PM[0]

PD[0] — 37 45 Y3 PL[0]

PD[1] — 38 46 W3 PL[1]

PD[2] — Y4 PL[2]

PD[3] — W4 PL[3]

PD[4] — 47 V4 PL[4]

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