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toh:tp-link:tl-wr703n:pcb [2012/09/12 09:23]
cave
toh:tp-link:tl-wr703n:pcb [2014/07/02 14:03] (current)
charly86 Added Image with GPIO/Power placement
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 {{http://​img833.imageshack.us/​img833/​3559/​tlwr703ntop.jpg?​600}} {{http://​img833.imageshack.us/​img833/​3559/​tlwr703ntop.jpg?​600}}
 +
 +===== PCB Top Placement =====
 +
 +{{:​media:​toh:​tp-link:​tl-wr703n:​tp-link_wr703n_top-pcb-gpio.jpg?​600|TP-Link TL-WR703N with GPIO and Power}}
  
 ==== RESET Switch ==== ==== RESET Switch ====
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 **C107** / **C108** are used for decoupling of the 5V input on the **USB1** MicroUSB connector prior to the **U5** switching regulator. **C107** / **C108** are used for decoupling of the 5V input on the **USB1** MicroUSB connector prior to the **U5** switching regulator.
  
-**U5** is the main unidentified ​step-down 3.3 V switching voltage regulator (marking: BWMM7AG), along with the **L14** ferrite-core self, **C112** input filter ceramic capacitor, **C109** output filter ceramic capacitor and feedback circuit **R99** / **R100** / **C106**.+**U5** is an [[http://​www.ame.com.tw/​Product/​Datasheet/​AME5258.pdf|AME5258]] ​step-down 3.3 V switching voltage regulator (marking: BWMM7AG), along with the **L14** ferrite-core self, **C112** input filter ceramic capacitor, **C109** output filter ceramic capacitor and feedback circuit **R99** / **R100** / **C106**.
  
 2 test points TPGND and T3V3 are available, and 2 capacitors **C110** (not mouted)/​**C111** are used to connect the GND to the RF antenna GND. 2 test points TPGND and T3V3 are available, and 2 capacitors **C110** (not mouted)/​**C111** are used to connect the GND to the RF antenna GND.
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 ==== SPI Flash ==== ==== SPI Flash ====
-**U3** is a Spansion [[http://​www.spansion.com/​Support/​Datasheets/​S25FL032P_00.pdf|S25FL032P]] 32Mbit 104-MHz SPI Flash memory in SO8 package. This chip provides 4MB of Flash memory for permanent storage.+**U3** is a Spansion [[http://​www.spansion.com/​Support/​Datasheets/​S25FL032P_00.pdf|S25FL032P]] 32Mbit 104-MHz SPI Flash memory in an SO8 package ​(208 mil wide). This chip provides 4MB of Flash memory for permanent storage.
  
 This chip can be upgraded to a 64 Mbit pin-to-pin compatible chip (like the Eon EN25Q64 chip) to provide 8MB of Flash memory. This chip can be upgraded to a 64 Mbit pin-to-pin compatible chip (like the Eon EN25Q64 chip) to provide 8MB of Flash memory.
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 ===== Tags ===== ===== Tags =====
 ---- ----
-{{tag>​FastEthernet ​1Port Serial integrated 802.11bgn ​1Radio ​AR9331 ath9k 1Ant 32RAM 4Flash MIPS MIPS32 24k AP121}}+{{tag>​FastEthernet ​1NIC 1WNIC no_switch ​Serial integrated 802.11bgn AR9331 ath9k 1Ant 32RAM 4Flash MIPS MIPS32 24k AP121}}
toh/tp-link/tl-wr703n/pcb.1347434588.txt.bz2 · Last modified: 2012/09/12 09:23 by cave