The I2C(pronounced I square Cee) is a simple communication standard intended to move small amounts of data a few inches between chips. Please See I2C Wikipedia page for additional information.
Note that I2C addresses are 7 bit. The last bit, which is not part of the address, indicates whether this is a read or write operation. So "0001 000x" is 0x8, not 0x10.
On the Neo1973, we currently use the following addresses on the I2C bus:
Device | I2C address |
PCF50606 | 0001 000x |
WM8753L | 0011 010x |
LM4857 | 1111 100x |
From: Andy Green <andy@openmoko.com> To: openmoko-devel <openmoko-devel@lists.openmoko.org> Date: Wed, 02 Jul 2008 09:11:03 +0100
If you pop the top facia, I2C is available from two testpoints near the debug connector. GND is not on a testpoint there but the mounting holes at the bottom and you can grab it from a capacitor under the battery on the right of the picture too.
![]() |
Languages: |
English • العربية • Български • Česky • Dansk • Deutsch • Esperanto • Eesti • Español • فارسی • Suomi • Français • עברית • Magyar • Italiano • 한국어 • Nederlands • Norsk (bokmål) • Polski • Português • Română • Русский • Svenska • Slovenčina • Українська • 中文(中国大陆) • 中文(台灣) • Euskara • Català |