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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-04-26 03:27:10 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-04-26 03:27:10 -0400 |
| commit | 1f98566c939c84a986ee8b60fde6aa601c3521da (patch) | |
| tree | 8a0069ca9758bf6f3952bd71bf1a7c149d161bc1 /docs/source/usart.rst | |
| parent | 621706150fc55b8266229131cc7fb6db6b2f7cd9 (diff) | |
| download | librambutan-1f98566c939c84a986ee8b60fde6aa601c3521da.tar.gz librambutan-1f98566c939c84a986ee8b60fde6aa601c3521da.zip | |
0.0.10 Documentation checkpoint.
The vast majority of the Maple-specific values have been pulled out of
the higher-level overview pages and replaced with refs into documents
under /docs/source/hardware/.
Much of the work that's left to be done in this regard is labeled with
versioned TODO and FIXME comments.
Suggestions from StephenFromNYC and gbulmer were incorporated from
this forum thread:
http://forums.leaflabs.com/topic.php?id=703
Diffstat (limited to 'docs/source/usart.rst')
| -rw-r--r-- | docs/source/usart.rst | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/docs/source/usart.rst b/docs/source/usart.rst index 3beb3fc..9506cc8 100644 --- a/docs/source/usart.rst +++ b/docs/source/usart.rst @@ -4,23 +4,34 @@ USART ======= -.. contents:: +.. contents:: Contents :local: Hardware/Circuit Design ----------------------- +.. FIXME [0.0.10] UART4 and UART5 +.. FIXME [0.1.0] Maple Native and Mini info and links + The Maple has 3 separate USART devices. In the most simple use case, the RX and TX pins are used to send data at a predetermined baudrate with the line voltage level relative to ground. Their usage is documented in the :ref:`Serial Ports <lang-serial>` language reference -page. +page. Which pins correspond to the USART TX and RX pins are given on +your board's silkscreen, and also in the board-specific USART pin maps +available here: + +* :ref:`Maple <maple-usart-map>` +* :ref:`Maple RET6 Edition <maple-ret6-usart-map>` + +If you use a particular serial port, you cannot also use its +communication pins for other purposes at the same time. Compatible Devices and Specifications ------------------------------------- -We have successfully used the Maple USART ports with an FT232R-based -USB-serial converter at up to 115200 baud; higher speeds should +We have successfully used the USART ports with an FT232R-based +USB-serial converter at up to 115200 baud. Higher speeds should certainly be possible. Recommended Reading |