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up2: minor doc improvements and changed pin name to avoid init error msg

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Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Mihai Tudor Panu
2017-09-13 00:39:40 -07:00
committed by Brendan Le Foll
parent cc55ee6314
commit 5b2ecd18ae
2 changed files with 13 additions and 11 deletions
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22
docs/up2.md
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@@ -1,6 +1,6 @@
UP Squared Board {#up2}
================================
UP Squared is based on the Intel&reg; Celeron&trade; N3350 or the Intel&reg; Pentium&trade; N4200, formerly Skylake&trade;.
UP Squared is based on the Intel&reg; Celeron&trade; N3350 or the Intel&reg; Pentium&trade; N4200, formerly ApolloLake&trade;.
For the full specification please refer to the main specification page here:
@@ -12,21 +12,23 @@ The Up Squared present one Raspberry Pi compatible HAT connector and a 60 pin e
**I2C**
- 2 channels
- support: standard-mode (100kHz), fast-mode (400kHz) , Fast-mode plus (1MHz), High-speed mode (3.4MHz)
- bus frequency can be selected in BIOS settings.
- the default i2c channel is the one connected to the pin 3,5 of the hat
- Support: standard-mode (100kHz), fast-mode (400kHz), Fast-mode plus (1MHz), High-speed mode (3.4MHz)
- Bus frequency can be selected in BIOS settings
- The default i2c channel is the one connected to the pin 3,5 of the hat
- On some OSes the i2c-dev kernel module may need to be loaded manually to export the i2c device nodes
**SPI**
- Bus frequencies up to 10MHz are supported.
- 3 chip-selects.
- Bus frequencies up to 10MHz are supported
- 3 chip-selects
- To enable SPI device nodes the ACPI tables need to be overwritten as explained [here](https://up-community.org/wiki/Pinout_UP2#SPI_Ports)
**PWM**
- up to 3 channel of PWM
- Up to 3 channel of PWM
**UART**
- 1 high-speed UART is available
- supporting baud rates up to 3686400 baud.
- Hardware flow-control signals are available on pins 11/36 (RTS/CTS).
- 1 high-speed UART is available
- Supporting baud rates up to 3686400 baud
- Hardware flow-control signals are available on pins 11/36 (RTS/CTS)
Please note that a kernel with UP board support is required to enable the I/O
interfaces above.