HP iPAQ 210 / 214 - Hardware
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Hardware
Technical overview
| Processor | Marvell PXA310 - XScale 3 |
| RAM | 256KB on-chip SRAM, 128MB DDR RAM on device |
| ROM | 256MB Flash - Samsung k9f2g08UXA |
| Display | LMS400CB01 640x480 16bpp |
| Wireless | SDIO8686 WiFi |
| Bluetooth | Broadcom BCM2045 |
| Audio | WM9713 Audio codec on PXA's AC97 bus |
| Touchscreen | WM9713 Touchscreen codec on AC97 |
| Buttons | 10 Standard buttons on PXA keypad controller |
| I/O / Storage | 1 MMC/SD and 1 CF Slot |
| USB Host/Client | Uses a QL1A100 Quicklogic chip but also has a (possible unused) USB3319 USB2.0 ULPI transciever. |
| Battery | The standard battery contains a DS276x Li+ monitor chip on a one-wire bus connection to battery middle pin. |
| Charging | MAX 8677AE |
| Voltage Control | MAXIM 8660E I2C Driven voltage controller |
| Other | An annoyingly bright blue LED |
There are some photos of the insides of my device here: ![[WWW]](moinImgs/moin-www.png){kind=small}
http://www.oliford.co.uk/hpipaq214/public/photos.
All the chip numbers in mine can be found here: http://www.oliford.co.uk/hpipaq214/public/bibles/chips.txt.
24-pin connector
With some info from elsewhere and some info I've managed to work out from windows. The 24-pin connector on the bottom of the iPAQ 21x is used as follows:| Pin | Name | Description | ||
| 1 | DC_IN | 5V DC / 2A Adapter input. | ||
| 2 | DC_IN | Connect +ve to all 4 pins and -ve to mulitple ground pins! | ||
| 3 | DC_IN | |||
| 4 | DC_IN | |||
| 5 | USB_HOST_VBUS | USB 2.0 Host connection to the USB3319 ULPI chip. | ||
| 6 | USB_HOST_D+ | Supported as USB Host in MMC booted linux, maybe possible to config as OTG. | ||
| 7 | USB_HOST_D- | |||
| 8 | USB_GND | Ground for USB host and OTG client connections. | ||
| 9 | USB_OTG_D+ | USB 2.0 'On The Go' Connection to Quicklogic Chip. Used in windows as the USB device/client connection | ||
| 10 | USB_OTG_D- | and connected to the standard USB cable for plugging the iPAQ into a USB Host. | ||
| 11 | USB_OTG_VBUS | Not supported in linux. | ||
| 12 | USB_OTG_ID | |||
| 13 | GND | System Ground | ||
| 14 | ID_READ | "Accessory Identification: Connect GPI to ID_READ and GPO to ID_POWER." (whatever that means) | ||
| 15 | ID_POWER | ?? | ||
| 16 | AUDIO_GND | Audio Head Set Connection Ground | ||
| 17 | AUDIO_L | HeadSetAudioLeftOut | ||
| 18 | AUDIO_R | HeadSetAudioRightOut | ||
| 19 | AUDIO_MIC | HeadSetMicIn | ||
| 20 | GND | System Ground | ||
| 21 | Reserved1 | Reserved for future use – No Connect | ||
| 22 | Reserved2 | |||
| 23 | Reserved3 | |||
| 24 | GND | System Ground | ||