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TWR-SHIELD

P1-P3P4-P6P7-P8
TOWER SYSTEM
7
TWR-SHIELD Header Descriptions continued
The following is a list of all available headers and their descriptions
Header Pin Number Pin Name Description
Header Pin Number Pin Name Description
J1
1 UART_TX / D0 Serial UART Peripheral Transmit Signal
2 UART_RX / D1 Serial UART Peripheral Receive Signal
3 D2 GPIO or PWM
4 D3 GPIO or PWM
5 D4 GPIO or PWM
6 D5 GPIO or PWM
7 D6 GPIO or PWM
8 D7 GPIO or PWM
J2
1 D8 GPIO or PWM
2 D9 GPIO or PWM
3 D10 / SPI_CS SPI Chip Select/Slave Select
4 D11 / SPI_MOSI SPI Master Data Output Signal
5 D12 / SPI_MISO SPI Master Data Input Signal
6 D13 / SPI_CLK SPI Data Clock Signal
7 GND Ground
8 VREF Voltage Reference Signal
9 D14/I
2
C_SDA I
2
C Data Signal
10 D15/I
2
C_SCL I
2
C Clock Signal
J3
1 A5 ADC Signal
2 A4 ADC Signal
3 A3 ADC Signal
4 A2 ADC Signal
5 A1 ADC Signal
6 A0 ADC Signal
J4
1 Not used
2 3V3 3.3 Voltage Signal
3 RST Reset Signal (GPIO controlled)
4 3V3 3.3 Voltage Signal
5 5V 5 Voltage Signal
6 GND Ground
7 GND Ground
8 VIN Voltage Input (6–20 V)
J20
1 VIN Source from Header
Cut-trace located on bottom of board. The
trace can be cut to isolate power regulators
from VIN.
2 VIN Sink to Regulators
For more information, please visit freescale.com/Tower
Join the online Tower community at towergeeks.org
Freescale and the Freescale logo are trademarks of Freescale semiconductor,
Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the
property of their respective owners. © 2014 Freescale Semiconductor, Inc.
Document Number: TWRSHIELDQSG REV 0
Agile Number: 926-28111 REV A
Visit freescale.com/Tower or
freescale.com/TWR-SHIELD for information on
the TWR-SHIELD module, including:
• TWR-SHIELD user guide
• TWR-SHIELD schematics
• Tower System fact sheet
Support
Visit freescale.com/support for a list of phone
numbers within your region.
Warranty
Visit freescale.com/warranty for complete
warranty information.
Quick Start GuideQuick Start Guide
P1-P3P4-P6P7-P8

TWR-SHIELD

Mfr. #:
Buy TWR-SHIELD
Manufacturer:
NXP / Freescale
Description:
Daughter Cards & OEM Boards Shield Adapter Module for Arduino
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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