Functional Description
Table 19-22. UART Mode Register Overview
(1) (2)
(continued)
Address
Registers
Offset
Configuration Mode A
Configuration Mode B
Operational Mode
Read
Write
Read
Write
Read
Write
0x05C
UART_WER
UART_WER
UART_WER
UART_WER
UART_WER
UART_WER
0x060
–
–
–
–
–
–
0x064
UART_RXFIFO UART_RXFIFO_ UART_RXFIFO_LVL UART_RXFIFO_L UART_RXFIFO_LV UART_RXFIFO
_LVL
LVL
VL
L
_LVL
0x068
UART_TXFIFO UART_TXFIFO_ UART_TXFIFO_LVL UART_TXFIFO_L
UART_TXFIFO_LV UART_TXFIFO
_LVL
LVL
VL
L
_LVL
0x06C
UART_IER2
UART_IER2
UART_IER2
UART_IER2
UART_IER2
UART_IER2
0x070
UART_ISR2
UART_ISR2
UART_ISR2
UART_ISR2
UART_ISR2
UART_ISR2
0x074
UART_FREQ_
UART_FREQ_S
UART_FREQ_SEL
UART_FREQ_SE
UART_FREQ_SEL
UART_FREQ_
SEL
EL
L
SEL
0x080
UART_MDR3
UART_MDR3
UART_MDR3
UART_MDR3
UART_MDR3
UART_MDR3
0x084
UART_TX_DM
UART_TX_DMA
UART_TX_DMA_TH UART_TX_DMA_
UART_TX_DMA_T
UART_TX_DM
A_THRESHOL
_THRESHOLD
RESHOLD
THRESHOLD
HRESHOLD
A_THRESHOL
D
D
19.3.7.2.2 Registers Available for the IrDA Function
Only the registers listed in
are used for the IrDA function.
Table 19-23. IrDA Mode Register Overview
(1) (2)
Address
Registers
Offset
Configuration Mode A
Configuration Mode B
Operational Mode
Read
Write
Read
Write
Read
Write
0x000
UART_DLL
UART_DLL
UART_DLL
UART_DLL
UART_RHR
UART_THR
0x004
UART_DLH
UART_DLH
UART_DLH
UART_DLH
UART_IER(IrDA)
UART_IER(IrD
A)
0x008
UART_IIR
UART_FCR
UART_EFR[4]
UART_EFR[4]
UART_IIR(IrDA)
UART_FCR(Ir
DA)
0x00C
UART_LCR[7]
UART_LCR[7]
UART_LCR[7]
UART_LCR[7]
UART_LCR[7]
UART_LCR[7]
0x010
–
–
UART_XON1_ADD
UART_XON1_AD
–
–
R1
DR1
0x014
UART_LSR(IrD –
UART_XON2_ADD
UART_XON2_AD
UART_LSR(IrDA)
–
A )
R2
DR2
0x018
UART_MSR/U
UART_TCR
UART_TCR
UART_TCR
UART_MSR/UART
UART_TCR
ART_TCR
_TCR
0x01C
UART_TLR/UA UART_TLR/UA
UART_TLR
UART_TLR
UART_TLR/UART_ UART_TLR/UA
RT_SPR
RT_SPR
SPR
RT_SPR
0x020
UART_MDR1
UART_MDR1
UART_MDR1
UART_MDR1
UART_MDR1
UART_MDR1
0x024
UART_MDR2
UART_MDR2
UART_MDR2
UART_MDR2
UART_MDR2
UART_MDR2
0x028
UART_SFLSR
UART_TXFLL
UART_SFLSR
UART_TXFLL
UART_SFLSR
UART_TXFLL
0x02C
UART_RESUM UART_TXFLH
UART_RESUME
UART_TXFLH
UART_RESUME
UART_TXFLH
E
0x030
UART_SFREG
UART_RXFLL
UART_SFREGL
UART_RXFLL
UART_SFREGL
UART_RXFLL
L
0x034
UART_SFREG
UART_RXFLH
UART_SFREGH
UART_RXFLH
UART_SFREGH
UART_RXFLH
H
(1)
REGISTER_NAME(UART) notation indicates that the register exists for other functions (IrDA or CIR), but fields have different
meanings for other functions.
(2)
REGISTER_NAME[m:n] notation indicates that only register bits numbered m to n apply to the UART function.
3471
SPRUH73H – October 2011 – Revised April 2013
Universal Asynchronous Receiver/Transmitter (UART)
Copyright © 2011–2013, Texas Instruments Incorporated