LM4853
From Openmoko
- Feature: Mono Amplifier
- Product Homepage: LM4853.html
- Data Sheet: LM4853.pdf
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
- Samsung S3C2442B B54 GPIO: HP_IN, AMP_SHUT (shutdown);