Rev. 3.0, 03/01, page 132 of 390
11.2
FIR Controller Register Description
11.2.1
UART Register of FIR Portion
The register has the same definition as that of UART, except that the address spaces are different.
Register
DLAB
*
Address
READ
WRITE
Data
0
H'10007000
IrRBR (Receiver Buffer Register)
IrTBR (Transmitter Buffer Register)
Control
0
x
x
x
1
1
H'10007002
H'10007004
H'10007006
H'10007008
H'10007000
H'10007002
IrIER (Interrupt Enable Register)
IrIIR (Interrupt Identification Register)
IrLCR (Line Control Register)
IrMCR (Modem Control Register)
IrDLL (Divisor Latch LSB)
IrDLM (Divisor Latch MSB)
IrIER
IrFCR (FIFO Control Register)
IrLCR
IrMCR
IrDLL
IrDLM
Status
x
x
x
H'1000700A
H'1000700C
H'1000700E
IrLSR (Line Status Register)
IrMSR (Modem Status Register)
IrSCR (Scratch Pad Register)
IrLSR
IrMSR
IrSCR
Note:
DLAB
*
is bit 7 of the Line Control register (IrLCR).
Summary of Contents for HD64465
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