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3. TECHNICAL BRIEF
3.6 Analog Main & Power Management Processor (AD6537B, U101)
AD6525
or
AD6526
VCORE: 1.8 V, 80mA
VMEM: 1.8 or 2.8V, 150mA
VEXT: 2.8V, 170mA
VSIM: 1.8 or 2.85V, 20mA
VRTC: 1.8V, 200 µA
AD6537B
Light
Controllers
Ram
GMSK
Filter
Filter
Tone
Filter
DAC
Filter
ADC
Battery
8 Voltage Regulators
Charger
Figure 3-11 AD6537B FUNCTION BLOCK DIAGRAM
ADC
DAC
DAC
DAC
DAC
ADC
ADC
Mic
- 28 -
LEDs
Othello
Crystal &
Varactor
Headphones
or Headset
VABB
VMIC: 2.5V, 1mA
VVCXO: 2.75V, 10mA
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