LM4853

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(New page: * Feature: Mono Amplifier * Product Homepage: [http://www.national.com/pf/LM/LM4853.html LM4853.html] * Data Sheet: [http://www.national.com/ds.cgi/LM/LM4853.pdf LM4853.pdf] == Neo FreeRu...)
 
(Neo FreeRunner)
 
(2 intermediate revisions by 2 users not shown)
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* Connected to this chip:
 
* Connected to this chip:
 
** [[Samsung S3C2442B B54]] GPIO: HP_IN, AMP_SHUT (shutdown);  
 
** [[Samsung S3C2442B B54]] GPIO: HP_IN, AMP_SHUT (shutdown);  
 +
*** GPJ1 == 0, headphone or speaker is enabled.  GPJ1 ==1, amp is off.
 +
*** GPJ2 == 0, select speaker; GPJ2 == 1, select headphones.
 
** Wolfson [[WM8753]]: LOUTL (LEFTIN), LOUTR (RIGHTIN);  
 
** Wolfson [[WM8753]]: LOUTL (LEFTIN), LOUTR (RIGHTIN);  
 
** speaker4102: (LEFTOUT/BLTOUT-, BLTOUT+);
 
** speaker4102: (LEFTOUT/BLTOUT-, BLTOUT+);
 
** headset-jack: ring 2 (RIGHTOUT), ring 3 (LEFTOUT/BLTOUT-) via 1uF-33R each
 
** headset-jack: ring 2 (RIGHTOUT), ring 3 (LEFTOUT/BLTOUT-) via 1uF-33R each
 +
 +
[[Category:Neo FreeRunner Hardware]]
 +
[[Category:Used chip]]

Latest revision as of 06:54, 29 August 2008

[edit] Neo FreeRunner

Main article: Neo_FreeRunner_GTA02_Hardware


  • Connected to this chip:
    • Samsung S3C2442B B54 GPIO: HP_IN, AMP_SHUT (shutdown);
      • GPJ1 == 0, headphone or speaker is enabled. GPJ1 ==1, amp is off.
      • GPJ2 == 0, select speaker; GPJ2 == 1, select headphones.
    • Wolfson WM8753: LOUTL (LEFTIN), LOUTR (RIGHTIN);
    • speaker4102: (LEFTOUT/BLTOUT-, BLTOUT+);
    • headset-jack: ring 2 (RIGHTOUT), ring 3 (LEFTOUT/BLTOUT-) via 1uF-33R each
Personal tools

Neo FreeRunner

Main article: Neo_FreeRunner_GTA02_Hardware


  • Connected to this chip:
    • Samsung S3C2442B B54 GPIO: HP_IN, AMP_SHUT (shutdown);
    • Wolfson WM8753: LOUTL (LEFTIN), LOUTR (RIGHTIN);
    • speaker4102: (LEFTOUT/BLTOUT-, BLTOUT+);
    • headset-jack: ring 2 (RIGHTOUT), ring 3 (LEFTOUT/BLTOUT-) via 1uF-33R each