Acer ASPIRE 4253, Service Manual, Page: 46 / 226

1-36 Hardware Specifications and Configurations
Bluetooth Module
Item Specifications
Controller AR3011
Feature Single-chip Bluetooth v2.1/3.0 + EDR integrated solution
USB 2.0 full-speed device interface with support for Device
Firmware Upgrade (DFU)
SPI interface supports external serial flash devices
Two on-chip 1.2V linear voltage regulators
Integrated 32-bit CPU with 32KB data RAM and 256KB
program RAM
On-board PLL
On-chip low power oscillator (LPO)
WLAN coexistence interface
Standard USB HCI interface
Controller BCM2070
Features Bluetooth 2.1 compliant
Point-to-multipoint operation
External USB interface for data
Onboard antenna and SMA RF connector
Coexistence support
Controller BCM2046
Features Fully Qualified Bluetooth v2.1 with Class 2 specification RF
output power
Enhanced Data Rate (EDR) compliant
Full Piconet and Scatternet operation
Integrated PIFA Antenna with better RF performance
USB 2.0 compliant interface
F/W upgradable via Flash downloads
Very low power consumption
Support Coexistence with Intel WCS (Wireless Coexistence
System) & AFH (Adaptive Frequency Hopping)
Controller BU12
Features Single-chip Bluetooth v2.1/3.0+EDR integrated solution
USB 2.0 full-speed device interface with support for Device
Firmware Upgrade (DFU)
SPI interface supports external serial flash devices
Two on-chip 1.2V linear voltage regulators
Integrated 32-bit CPU with 32KB data RAM and 256KB
program RAM
On-board PLL
On-chip low power oscillator (LPO)
Standard USB HCI interface