Energy Management; Battery And Charging - Nokia 301 Service Manual

RM-839; RM-840; RM-841
System Module
• Color conversion YUV -> RGB
• 2D vector graphics
• Touch screen interface through 2nd I2C
• Up to 8 x 8 matrix keyboard with detection of 2 keys simultaneously pressed
Camera
• MIPI CSI-2 type interface is natively supported by X-GOLDTM614
• Up to 5Mpixel @ 15 fps
• Frame skip support for video (e.g. MPEG-4) encoding
• HW JPEG encoder
Bluetooth
• Release V4.4 supported
Removable storage
• MMC/SD card
• SD 2.0 support
Accessories
• Support for headset
• Support for headphone
• Support for 3.5mm to 2.5mm adapter
• Support for Bluetooth headset (A2DP supported)
• USB2.0 up to 480 Mbit/s (High Speed)
Production support
• Secure boot for flash image download
• USB/Serial protocols for flashing

Energy management

Battery and charging

X2080 is battery connector, battery supply voltage range is 3.2V to 4.2V. The inners pin of the connector is
for battery ID, the BSI resistor value should be 75K (default value for Tabby interface, normal mode without
charging) or 13K (test mode) and 7.5K (local mode), the nominal resistance of actual NTC resistor is 47K at
room temperature.
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