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SAM4E: Clarify LCD data width

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This commit is contained in:
Gregory Nutt
2014-03-28 08:29:04 -06:00
parent f009601bf7
commit f18541fe41
2 changed files with 0 additions and 10 deletions
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configs/sam4e-ek/README.txt
-5
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@@ -959,11 +959,6 @@ ILI9325-Based LCD
39 NC 39 NC
---- ----- --------- -------------------------------- ---- ----- --------- --------------------------------
The ILI9325 IM0 and IM1 lines are pulled up and down, respectively.
This puts the ILI9325 in the mode "i80-system 16-bit interface DB[17:10],
DB[8:1]". As you can see above, the LCD DB[17:10] connect to PC[0:7];
I don't understand why DB[8:1] are grounded???
Backlight Backlight
--------- ---------
configs/sam4e-ek/src/sam_ili9523.c
-5
View File
@@ -89,11 +89,6 @@
* 39 NC * 39 NC
* ---- ----- --------- -------------------------------- * ---- ----- --------- --------------------------------
* *
* The ILI9325 IM0 and IM1 lines are pulled up and down, respectively. This puts
* the ILI9325 in the mode "i80-system 16-bit interface DB[17:10], DB[8:1]". As
* you can see above, the LCD DB[17:10] connect to PC[0:7]; I don't understand why
* DB[8:1] are grounded???
*
* LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3155 * LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3155
* charge pump, MN4. The AAT3155 is controlled by the SAM3U4E through a single line * charge pump, MN4. The AAT3155 is controlled by the SAM3U4E through a single line
* Simple Serial Control (S2Cwire) interface, which permits to enable, disable, and * Simple Serial Control (S2Cwire) interface, which permits to enable, disable, and