View source for ZL40ARM

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====== Description ======
ZL40ARM is a single-board computer with STM32 (Cortex-M3) microcontroller. A large number of GPIO line allows to use it as universal microprocessor system with high computational efficiency, what is result from modern construction and high CPU frequency.
 
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[[File:zl40arm_skos.jpg|none|400px|thumb|center]]
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===== Basic parameters =====
* Microcontroller STM32F103VBT6, ARM Cortex-M3, 128 kB Flash, 20 kB RAM, LQFP100
* Oscillator 8MHz
* Microcontroller I/O line on goldpin connectors
* JTAG interface connector (20-pins)
* Power supply via USB (mini USB)
* Jumper for boot way select
* Reset button
* I2C and SPI connectors compatibile with Kamami standard for additional modules

===== Standard equipment =====
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! style="text-align: center;"|Code
! style="text-align: center;"|Description
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| style="text-align: center;"|<b>ZL40ARM</b>
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* Assembled minicomputer
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===== Electrical schematic =====

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[[File:zl40arm_sch.png|none|600px|thumb|center]]
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===== Components placement =====

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[[File:zl40arm_pcb.png|none|400px|thumb|center]]
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[[File:zl40arm_z_gory.jpg|none|400px|thumb|center]]
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===== BOOT Jumpers =====
ZL40ARM board is equipped with BOOT0 and BOOT1 jumpers (JP6 and JP7) that make possible selection of memory for boot process of microcontroller (tab. 1).

Tab. 1. BOOT jumper settings and corresponding active start memory areas

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{| class="wikitable"  style="width: 1000px;"
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! style="text-align: center;”|BOOT 0
! style="text-align: center;”|BOOT 1
! style="text-align: center;”|Memory area
|-
| style="text-align: center;”|0 
| style="text-align: center;”|X
| style="text-align: left;”|Flash memory
|-
| style="text-align: center;”|1
| style="text-align: center;”|0
| style="text-align: left;”|System memory (bootloader)
|-
| style="text-align: center;”|1
| style="text-align: center;”|1
| style="text-align: left;”|RAM memory
|}
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