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XR21B1422IL40-0A Datasheet, PDF (46/60 Pages) Exar Corporation – Enhanced 2-Ch Full-Speed USB UART
VID_MSB (0x013) - Read/Write OTP
Bit
7:0
Default
0
Vendor ID[15:8]
Most significant byte of the Vendor ID.
Description
XR21B1422
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
3
2
Default
Description
0
Reserved
These bits are reserved and should be written as ‘0’.
0
REMOTE_WAKE_EN
This bit advertises if remote wakeup is enabled or disabled in D5 of bmAttributes field of the configuration descriptor if the
REMOTE_WAKE_VALID bit is set.
0: Remote wakeup is disabled
1: Remote wakeup is enabled
0
REMOTE_WAKE_VALID
This bit allows the remote wakeup setting in REMOTE_WAKE_EN to be advertised in D5 of the bmAttributes field of the con-
figuration descriptor.
0: Do not advertise remote wakeup setting in REMOTE_WAKE_EN
1: Advertise remote wakeup setting in REMOTE_WAKE_EN
© 2014 Exar Corporation
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