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XR21B1420IL28-0A Datasheet, PDF (44/60 Pages) Exar Corporation – Enhanced 1-Ch Full-Speed USB UART
VID_LSB (0x012) - Read/Write OTP
Bit
7:0
Default
0
Vendor ID[7:0]
Least significant byte of the Vendor ID.
Description
XR21B1420
VID_MSB (0x013) - Read/Write OTP
Bit
7:0
Default
0
Vendor ID[15:8]
Most significant byte of the Vendor ID.
Description
PID_LSB (0x014) - Read/Write OTP
Bit
7:0
Default
0
Product ID[7:0]
Least significant byte of the Product ID.
Description
PID_MSB (0x015) - Read/Write OTP
Bit
7:0
Default
0
Product ID[15:8]
Most significant byte of the Product ID.
Description
USB_MAX_POWER (0x016) - Read/Write OTP
Bit
7:0
Default
Description
0
USB Max Power
The bMaxPower field of the device descriptor. Maximum device power consumption from VBUS power. Values
from 0x01 (2 mA) to 0xFA (500 mA).
USB_ATTRIBUTES (0x017) - Read/Write OTP
Bit
7:4
Default
Description
0
Reserved
These bits are reserved and should be written as ‘0’.
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Rev 1A