CM-X300: Hardware: Revision Notes

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 PCN-AM07062011.zip

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