UART Registers
19.5.1.50 ISR2 Register
The ISR2 register displays the status of RX/TX FIFOs empty corresponding interrupts. The ISR2 register
(ISR2) is shown in
and described in
.
Figure 19-83. ISR2 Register
31
1
0
Reserved
TXFIFO_EMPT RXFIFO_EMPT
Y_STS
Y_STS
R-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 19-82. ISR2 Register Field Descriptions
Bit
Field
Value
Description
31-2
Reserved
0
Reserved.
1
TXFIFO_EMPTY_
0
TXFIFO_EMPTY interrupt not pending.
STS
1
TXFIFO_EMPTY interrupt pending.
0
RXFIFO_EMPTY
0
RXFIFO_EMPTY interrupt not pending.
_STS
1
RXFIFO_EMPTY interrupt pending.
3546
Universal Asynchronous Receiver/Transmitter (UART)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated