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XR21B1420 Datasheet, PDF (20/60 Pages) Exar Corporation – Enhanced 1-Ch Full-Speed USB UART
XR21B1420
Table 5: XR21B1420 Register Map
Address
Register Name
Bit 7
(15)
Bit 6
(14)
Bit 5
(13)
Bit 4
(12)
Bit 3
(11)
Bit 2
(10)
Bit 1
(9)
Bit 0
(8)
0x262
USB_STATUS[15:8]b
USB_STATUS[7:0]
0
0
STATE1
0
0
STATE0
SEL1
SEL0
CTRL1
CTRL0
a. The REVISION_ID register is accessed using XR_GET_REVISION, i.e. not XR_SET_REG or XR_GET_REG.
b. The USB_STATUS registers are accessed using XR_SET_USB_STAT and XR_GET_USB_STAT, i.e. not XR_SET_REG or XR_GET_REG.
© 2014 Exar Corporation
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