CM-X300: Hardware: Revision Notes

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Rev 1.7 [02.10.2014]

  • SMT manufacturability improvement.

Rev 1.6 [07.6.2011]

  • DRAM layout and routing has been changed in order to improve CM-X300 DRAM stability.
  • WIFI and BLUETOOTH power supplies are now united. (Issue described in CM-X300 ECN-AM20101205-001 is fixed)
  • An onboard EEPROM was added to I2C bus.
  • CM-X300-C624M-* USB1 XCVR power supply is now DA9030 LDO7 and not LDO18 as in previous CM-X300 board revisions.
  • LED DS1 and other board components placement has changed.

For detailed revision information please see the attached document: CM-X300

Rev 1.41 [12.10.2010]

  • Added 1.2K Pull-ups to Power I2C bus
  • CPU RTC is now driven by a designated XTAL
  • RTC Battery switchover circuit improved
  • Standby power consumption decreased.
  • WLAN Reset circuitry improved.
  • RF Shield added to WLAN+BT Component.

Rev 1.3 [30.6.2009]

  • Added support for PXA310 CPU
  • ULPI and 6-wire USB transmitters added (enabling USB support om PXA310)
  • GPIO 80, 81, 82 now shared with USB host in C624M configuration (cannot be used as GPIO)
  • WLAN_ENA and WLAN_RST GPIO's changed to GPIO71 and GPIO70, respectively
  • LED GPIO changed to GPIO76
  • PMIC’s USB charge pump output connected to CAMI VCC5 pin
  • ONE_WIRE routed to PS2_KDAT CAMI pin
  • GPIO of revision jumpers changed
  • PWM1 (GPIO18) routed to CAMI A pin 51

Rev 1.2 [10.1.2009]

  • AC'97 touch screen interrupt connected to CPU
  • RTC connected by means of GPIO
  • USB1 N/A on CAMI on "W" option modules
  • Added DF_SCLK_E to CAMI (CAMI B pin 120)
  • SSP interface routed to CAMI connector B
  • Jumpers for revision detection added.
  • AC'97 bypass to CAMI provided
  • Antennae separated from the sockets by jumpers
  • Fixed antennae footprints

Rev 1.1 [25.6.2008]

  • Support for two MMC sockets provided on CAMI
  • WLAN + BT solution implemented by a Wi2Wi combo IC
  • CPU’s GPIO pins of MSL interface powered with 3V supply
  • AC'97 CODEC connected to an LDO instead of VBAT
  • R1 package changed to 0402
  • Provided option on PMIC to connect to the regular I2C bus.
  • LAN power and Data Flash power separated
  • Some power source changes done
  • PMIC's ONKEY# routed to CAMI's SUSP_IN
  • PMIC's IRQ# and CAMI PMI# routed to CPU's EXT_WAKE pin
  • Added LED
  • More CPU GPIO's (80..90) routed to CAMI local bus pins

Rev 1.0 [22-Nov-2007]

  • Initial release