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Forum Posts

External RAM with FSMC bus + internal crystal.

Posted on February 06, 2012 at 08:19Hi all, I have a problem with external RAM on FSMC bus (AHB3). If I use the external crystal the memory works well (12 Mhz + PLL to 96Mhz ), but if I use the internal crystal at 16Mhz + PLL to 96Mhz I stay blocked...

elharrar by Associate II
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SPI as full/half duplex

Posted on February 01, 2012 at 15:17 Hi all , A simple question: I have an external ADC, and to get the values, I need to generate cyles to obtain the values. My SPI is configured as master + fullduplex mode and to receive bytes I have to send a dum...

elharrar by Associate II
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stm32-p107 spi

Posted on February 03, 2012 at 21:20Hi, I am trying to get the SPI interface to work so that I can access the microSD card on the board. However I find that I cannot put the card into SPI mode, when sending CMD0 (go to idle) I read back 0, instead ...

SOLVED. USBH_BulkReceiveData problem

Posted on January 31, 2012 at 13:25The problem is found, but there there is an eternal interrupt loop when NAK from device, so there is an another patch is required for the host lib, 'cause there is no wayto know when the device finished data transf...

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dzuikov by Associate II
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1MHz timebase messing with PWM frequency

Posted on January 30, 2012 at 08:06(I'm posting this ''again'' as it doesn't look like it posted. :-/)Hi,I've been using the PWM Output example for my PWM jobs. The timebase was setup as follows (with variables replaced with actual perimeters):  Pre...

Timer (TIM2) goes twice as fast as expected

Posted on February 03, 2012 at 21:38I can't tell if this is a ''feature'' or some strange incongruence.  I am using an STM32F103ZG (on STM3210E-EVAL board).  - The clock is set to 48 MHz, as USB is being used.  - The APB1 bus is set to 12 MHz (divid...

jpnorair2 by Associate II
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STM32TS60 production status / availability

Posted on February 02, 2012 at 22:54I am evaluating MCUs for digital (matrix) resistive touch panels and would like an update on product status. Evaluation boards and small quantity microcontroller purchases are desired. Please provide a specificati...

bdhufnag by Associate
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