BC41B143A-ds-001Pe CSR, BC41B143A-ds-001Pe Datasheet - Page 44

• Manufacturer Part Number: BC41B143A-ds-001Pe
• Description: Blue Core ROM
• Manufacturer: CSR

Note:
8.2
In the version of the firmware, shown in Figure 8.2 the upper layers of the Bluetooth stack up to RFCOMM are
run on-chip. This reduces host-side software and hardware requirements at the expense of some of the power
and flexibility of the HCI only stack.
BC41B143A-ds-001Pe
Always refer to the Firmware Release Note for the specific functionality of a particular build.
!
!
!
!
!
BlueCore RFCOMM Stack
Co-operative existence with 802.11b/g chipsets. The device can be optionally configured to support
a number of different co-existence schemes including:
TDMA – Bluetooth and WLAN avoid transmitting at the same time.
FDMA – Bluetooth avoids transmitting within the WLAN channel
Combination TDMA and FDMA – Bluetooth avoids transmitting in the WLAN channel only when
WLAN is active.
Please refer to separate documentation for full details of the co-existence schemes that CSR
supports.
Host
This material is subject to CSR’s non-disclosure agreement
UART
Figure 8.2: BlueCore RFCOMM Stack
USB
© Cambridge Silicon Radio Limited 2005
Production Information
48KB RAM
RFCOMM
Host I/O
PCM I/O
L2CAP
HCI
LM
LC
Baseband
Radio
MCU
SDP
CSR Bluetooth Software Stacks
Page 44 of 102