WT11 Datasheet - Glyn Store
WT11 Datasheet - Glyn Store
WT11 Datasheet - Glyn Store
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Full support for all Bluetooth power saving modes (Park, Sniff and Hold).<br />
Data Integrity:<br />
CQDDR increases the effective data rate in noisy environments.<br />
RSSI used to minimize interference to other radio devices using the ISM band.<br />
Notes:<br />
1. The data rate is with respect to <strong>WT11</strong> with basic data rate packets.<br />
6.4 VM Stack<br />
Host<br />
USB<br />
UART<br />
I/O<br />
PCM<br />
48kB RAM Baseband MCU<br />
Host I/O<br />
PCM I/O<br />
VM Application Software<br />
RFCOMM SDP<br />
36<br />
L2CAP<br />
HCI<br />
LM<br />
LC<br />
Radio<br />
Figure 27: WRAP THOR VM Stack<br />
In figure 27, this version of the stack firmware shown requires no host processor (but can<br />
use a host processor for debugging etc.). All software layers, including application<br />
software, run on the internal RISC processor in a protected user software execution<br />
environment known as a Virtual Machine (VM).<br />
The user may write custom application code to run on the BlueCore VM using BlueLab<br />
software development kit (SDK) supplied with the Casira development kit, available<br />
separately from Bluegiga or directly form CSR. This code will then execute alongside the<br />
main WRAP THOR firmware. The user is able to make calls to the WRAP THOR firmware for<br />
various operations. WRAP THOR firmware is not equal to iWRAP firmware, which on the<br />
contrary does not allow user to run own firmware in the module.
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