Iris V1.1 Baseboard - Toradex

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Iris Carrier Board DatasheetPin Signal Name I/O Type Voltage Pull-up/Pull-down1 RESET_EXT# I +3.3V2 GND PWR3 GND PWR4 RESET_OUT# O +3.3V5 I2C_SDA I/O +3.3V 4.7K to 3.3V6 12C_SCL I/O +3.3V 4.7K to 3.3V7 GND PWR8 SSPSCLK I/O +3.3V9 SSPFRM I/O +3.3V10 SSPRXD I +3.3V11 SSPTXD O +3.3V12 +5V PWR +5V13 PIN_98 (GPIO) I/O +3.3V14 PIN_133 (GPIO) I/O +3.3V15 PIN_103 (GPIO) I/O +3.3V16 PIN_101 (GPIO) I/O +3.3V17 PIN_97 (GPIO) I/O +3.3V18 PIN_85 (GPIO) I/O +3.3V19 PIN_79 (GPIO) I/O +3.3V20 PIN_45 (GPIO) I/O +3.3V21 GND PWR22 ANALOG_IN3 I +3.3V23 ANALOG_IN2 I +3.3V24 ANALOG_IN1 I +3.3V25 ANALOG_IN0 I +3.3V26 AUDIO_AGND PWR27 UART_A_ TXD O +3.3V28 UART_A_ RXD I +3.3V29 UART_B_ CTS I +3.3V30 UART_B_ RTS O +3.3V31 UART_B_ RXD I +3.3V32 UART_B_ TXD O +3.3V33 +3.3V PWR +3.3V34 UART_C_ RXD I +3.3V35 UART_C_ TXD O +3.3V36 GND PWR37 PWM_A O +3.3V38 PWM_B O +3.3V39 PWM_C O +3.3V40 PWM_D O +3.3VRemarks:• The PWM_A signal has also been routed to the RGB display connector (X3) to providebacklight brightness control for connected LCD displays; for this reason a populated zero ohmToradex AG l Altsagenstrasse 5 l 6048 Horw l Switzerland l +41 41 500 48 00 l www.toradex.com l info@toradex.com Page | 12
Iris Carrier Board Datasheetresistor (R84) has been placed before connector X16. Please refer to the section 4 for theposition of R84.• Since the Colibri PXA3XX does not support the PWM_D signal, pin 152 of the SODIMMconnector has been connected to the PWM_D line through a not assembled 0ohm resistor(R110). Please refer to the section 4 for the position of R110.• The signal ANALOG_IN3 is also used as the TOUCH_WIPER signal for the Touch (X19) andthe RGB connector (X3). For this reason a populated 0ohm resistor (R88) has been placedbetween the signals ANALOG_IN3 and TOUCH_WIPER. This resistor can be removed in theevent the fourth analog signal is required and the TOUCH_WIPER signal (for 5 wire resistivetouch screen panels) is not. Please refer to the section 4 for the position of R88.2.2.12 Power Supply connector (X17)Connector type: Tyco 284512-2Pin Description Voltage / range1 GND_IN2 PWR_IN 6 – 27V2.2.13 Boot Mode header (JP1)This is an unpopulated 2.54mm pin which provides the signals required to boot the Colibri T20 moduleinto recovery mode (this is not functional on the Colibri PXAxxx modules). The pin assignment isdescribed in the following table:Pin Signal Name Remarks1 RECOVERY By shorting the pin 1-2 the Colibri will boot in Recovery boot mode.2 GND3 SD_BOOT By shorting the pin 2-3 the Colibri will boot in SD boot mode.Remarks:• In order to use the SD Boot (only with Colibri T20) the resistors R109, R111, R112and R113need to be populated with a value of 100 R. For the location of these resistors please refer tothe section 4.2.2.14 Touch Connector (X19)Connector type: Hirose DF13C-6P-1.25V(51)Pin Signal Name1 GND2 TOUCH_TSMY3 TOUCH_TSPY4 TOUCH_TSMX5 TOUCH_TSPX6 TOUCH_WIPERRemarks:• For further information about the 5-wire resistive touch interface, please refer to our developersite:http://developer.toradex.com/knowledge-base/5-wire-resistive-touch-interface2.3. Bottom Side Connectors: Physical DrawingToradex AG l Altsagenstrasse 5 l 6048 Horw l Switzerland l +41 41 500 48 00 l www.toradex.com l info@toradex.com Page | 13
Page 1 and 2: Iris V1.1 BaseboardDatasheet
Page 3 and 4: Iris Carrier Board DatasheetContent
Page 5 and 6: Iris Carrier Board Datasheet1. Intr
Page 7 and 8: Iris Carrier Board Datasheet2. Iris
Page 9 and 10: Iris Carrier Board Datasheet2.2.3 C
Page 11: Iris Carrier Board DatasheetPinSign
Page 15 and 16: Iris Carrier Board Datasheet14 HOTP
Page 17 and 18: Iris Carrier Board Datasheet2.5. LE
Page 19 and 20: Iris Carrier Board Datasheet• The
Page 21 and 22: Iris Carrier Board Datasheet4.2. Ir
Page 23 and 24: Iris Carrier Board Datasheet5.1.2 I
Page 25: Iris Carrier Board DatasheetDisclai

Iris V1.1 Baseboard - Toradex

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