LS1020A datasheet(44/71 Pages) FREESCALE

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Tower Elevator Connections

TWR-LS1021A Reference Manual, Rev. 0

Freescale Semiconductor

3-1

Chapter 3

Tower Elevator Connections

This section describes the TWR elevator pinouts.

3.1

Overview

The TWR-LS1021A features two expansion card-edge connectors that interface to the primary and

secondary elevator boards in a Tower system. The Primary Connector (comprised of sides A and B) is

utilized by the TWR-LS1021A while the Secondary Connector (comprised of sides C and D) makes

connections to the LCD and ULPI etc signals. Table 3-1 provides the pinout for the Primary Connector.

Table provides the pinout for the Secondary Connector.

Table 3-1. TWR-LS1021A primary connector pinout

Pin#

Side B

Pin#

Side A

Name

Usage

Name

Usage

5.0V Power

GND

Ground

GND

Ground

3.3V

3.3V Power

3.3V

3.3V Power

ELE_PS_SE

NSE

Elevator

Power Sense

3.3V

3.3V Power

GND

Ground

GND

Ground

GND

Ground

GND

Ground

SDHC_CLK /

SPI1_CLK

SPI1_SCK

SCL0

I2C3_SCL

SDHC_D3 /

SPI1_CS1_b

SPI1_CS1_B

SDA0

I2C3_SDA

SDHC_D3 /

SPI1_CS0_b

SPI1_CS0_B

GPIO9 / CTS1

LPUART1_CTS1

B10

SDHC_CMD /

SPI1_MOSI

SPI1_SOUT

A10

GPIO8 / SDHC_led

FTM1_QD_PHA_

GPIO3_13

B11

SDHC_D0 /

SPI1_MISO

SPI1_SIN

A11

GPIO7 /

SD_WP_DET

ELEV_GPIO07_A

B12

ETH_COL

A12

ETH_CRS

B13

ETH_RXER

A13

ETH_MDC

B14

ETH_TXCLK

A14

ETH_MDIO

B15

ETH_TXEN

A15

ETH_RXCLK

B16

ETH_TXER

A16

ETH_RXDV

B17

ETH_TXD3

A17

ETH_RXD3

B18

ETH_TXD2

A18

ETH_RXD2

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