XR21B1424_17 Datasheet, PDF (24/64 Pages) Exar Corporation – Enhanced 4-Ch Full-Speed USB UART

Table 5: XR21B1424 Register Map
Address
Register Name
Bit 7
(15)
Bit 6
(14)
Bit 5
(13)
Bit 4
(12)
Bit 3
(11)
0x262
USB_STATUS[15:8]^b
USB_STATUS[7:0]
0
0
STATE1
0
0
STATE0
SEL1
SEL0
a. The REVISION_ID register is accessed using XR_GET_REVISION.
b. The USB_STATUS registers are accessed using XR_SET_USB_STAT and XR_GET_USB_STAT.
Bit 2
(10)
XR21B1424
Bit 1
(9)
Bit 0
(8)
CTRL1
CTRL0
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Rev 1C