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برد با هسته STM32F407IGT6 با سرعت 168 مگاهرتز/نند فلش/Ethernet-کویرالکترونیک
برد با هسته STM32F407IGT6 با سرعت 168 مگاهرتز/نند فلش/Ethernet
با سرعت 168 مگاهرتز و نند فلش و..
لینک دانلود https://www.waveshare.net/wiki/XCore407I
Introduction
XCore407I is a core board based STM32F407IGT6 master chip, its most important feature:
Onboard basic circuits: crystal oscillator circuit, USB power management circuits
Onboard the most important devices: USB HS PHY, Ethernet PHY, 1G Bit NandFlash
With the most common interface: USB HS (mini / type A), USB FS (mini), Ethernet (RJ45)
Leads all available I / O resources
Pin pitch 2.0mm, small size, suitable for access to the user's system
1. STM32F407IGT6
Kernel : Cortex-M4 32-bit RISC;
Features: single-cycle DSP instruction ;
Operating frequency : 168MHz, 210 DMIPS/1.25 DMIPS / MHz;
Operating voltage : 1.8V-3.6V;
Package : LQFP176;
Storage resources : 1024kB Flash, 192 +4 kB SRAM;
Resource : 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C;
1 x FSMC, 1 x SDIO, 2 x CAN;
1 x USB 2.0 FS / HS controller ( with dedicated DMA);
1 x USB HS ULPI; ( for external USB HS PHY)
1 x 10/100 Ethernet MAC;
1 x 8 to 14-bit parallel camera interface;
3 x AD (12位, 1us, sharing 24 ), 2 x DA (12 -bit) ;
Debugging Download : Support JTAG / SWD debug interface to download , support IAP.
2. MIC2075-2
USB FS power switch and overcurrent protection devices.
3. AMS1117-3.3
3.3V regulator device .
4. K9F1G08U0D
1G Bit NandFlash.
5. DP83848
Ethernet PHY.
6. MIC2075-1
USB HS power switch and overcurrent protection devices.
7. USB3300
USB HS PHY Introduction
[Other]
1. 5Vin or USB power select switch
2. BOOT state setting switch
You can set the status BOOT0.
(BOOT1 rarely need to be used to modify its state by control pin)
3. Power LED
4. USB FS LED
5. USB HS LED
6. Reset button
7. 8M crystal
Based chip provides the clock, through the multiplier settings to enhance the frequency.
8. 24M crystal
To USB3300 provides the clock.
9. 50M crystal
Provide for the DP83848 clock.
10. 32.768K crystal
Available using the built-in RTC, or for calibration.
11. Ethernet Interface
12. USB FS mini Interface
13. USB HS mini Interface
14. USB HS type A interfaces
15. MCU pin interface
Leads to VCC, GND and unoccupied I / O.
16. USB OTG / HOST jumper
17. VREF / VBAT jumper
18. Ethernet I / O pads choice
19. USB HS I / O pads choice
20. PDR select spot
Optional: ① 1.8-3.6V, -40 ~ 105 ℃ or ② 1.7-3.6V, 0 ~ 70
FAQ
Q: XCore407I compared Core407I What are the advantages ?
A: XCore407I comes with USB HS Interface , Ethernet interfaces , NandFlash.
Which , USB HS, Ethernet electrical characteristics (including wiring , etc. ) have higher requirements , NandFlash the circuit is also not particularly easy.
If you need these things , using XCore407I, undoubtedly wiser choice .
Q: Why does the onboard NorFlash?
A: NandFlash price is much higher than NorFlash, few people will adopt a new product NorFlash.
Q: Can not NandFlash it?
A: 50PCS above , can be customized to cancel the installation NandFlash, lower prices. (USB3300, DP83848 empathy )
Q: Can I change the model or controller chips NandFlash model? ( To be compatible but different models of storage space )
A: 50PCS above , you can. ( Price adjustment based on the actual situation ; need to use the default version of the test , only accept custom )
Q: core board has two USB HS Interface ?
A: physically have two USB HS Interface (type A and mini), but the two interfaces mapped to the same USB HS 407I 's . That , at any one time , you can only use one of them.
Q: What are occupied I / O, not being pulled out ?
A: PA2/PA3/PA5/PA7; PB0/PB1/PB5/PB10/PB11/PB12/PB13; PC0/PC1/PC4/PC5; PG11/PG13/PG14; PH4; PI11.
Q: core board power supply mode is like?
A: core board powered by USB , and external power supply ( via 5VOut pin output ) ; core board can be powered externally (via 5VIn pin input ) .
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