BCM89071A1CUBXGT Datasheet, PDF (29/69 Pages) Cypress Semiconductor – Single-Chip Automotive Grade Bluetooth Transceiver and Baseband Processor

BCM89071 Data Sheet
One-Time Programmable Memory
Contents
The following are typical parameters programmed into the OTP memory:
• BD_ADDR
• Software license key
• Output power calibration
• Frequency trimming
• Initial status LED drive configuration
The OTP contents also include a static error correction table to improve yield during the programming process
as well as forward error correction codes to eliminate any long-term reliability problems. The OTP contents
associated with error correction are not visible by customers.
Programming
OTP memory programming takes place through a combination of Broadcom software integrated with the
manufacturing test software and code embedded in BCM89071 firmware.
Programming the OTP requires a 3.3V supply. The OTP programming supply comes from the VDDO pin. The
OTP power supply can be as low as 1.8V in order to read the OTP contents. OTP_DIS is brought out to a pin
on the WLBGA package. If the OTP_DIS pin is left floating or externally pulled low, then the OTP will be enabled.
if the OTP_DIS pins is externally pulled high, then the OTP will be disabled.
Broadcom^®
April 16, 2015 • 89071-DS106-R
Baseband Transceiver and Baseband Processor
Page 28