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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-23 16:29:50 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-26 02:42:03 -0400 |
| commit | fdec8d0ad40c81758e42afd21448a73064433115 (patch) | |
| tree | 3e9db2b9e1e02c0331864a7d4d6b1c217f59bed6 /source/hardware | |
| parent | ab913f35eb7d4ac944d86f48b41208b5632e9439 (diff) | |
| download | librambutan-fdec8d0ad40c81758e42afd21448a73064433115.tar.gz librambutan-fdec8d0ad40c81758e42afd21448a73064433115.zip | |
Docs: maple-ret6.rst touchups.
Diffstat (limited to 'source/hardware')
| -rw-r--r-- | source/hardware/maple-ret6.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/source/hardware/maple-ret6.rst b/source/hardware/maple-ret6.rst index 5bd00f1..9ee46d2 100644 --- a/source/hardware/maple-ret6.rst +++ b/source/hardware/maple-ret6.rst @@ -329,6 +329,8 @@ This section lists known issues and warnings for the Maple RET6 Edition. that of the Maple Rev 5, which wasn't designed for use with these STM32F103RET6-only peripherals. +.. _maple-ret6-dac-ch2: + * **DAC channel 2 on BOARD_LED_PIN**: The Maple Rev 5 connects PA5 to the board's built-in LED; this is the same GPIO bit which is connected to the DAC's channel 2 output. This is also due to the @@ -336,8 +338,8 @@ This section lists known issues and warnings for the Maple RET6 Edition. .. _maple-ret6-nrst-pb4: -* **Reset and PB4 tied together**: The Maple's reset line is also - connected to PB4, which is labeled on the silkscreen as pin 43. +* **Reset and PB4 tied together**: The RET6 Edition's reset line is + also connected to PB4, which is labeled on the silkscreen as pin 43. Thus, attempting to use pin 43 as a GPIO may reset your board. This has other implications. Since PB4 is also the JTAG NJTRST line, this prevents the :ref:`JTAG <jtag>` "reset halt" command from |