peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 185

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

2.14.1
Table 2-31 Summary of Registers 1
Bit
No.
0
1
2
3
4
5
Semiconductor Group
0 (DLAB = 0) 0 (DLAB = 0) 1 (DLAB = 0) 2
Receiver
Buffer
Register
(read only)
RBR
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Registers Overview
1)
Transmitter
Holding
Register
(write only)
THR
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
1)
Interrupt
Enable
Register
IER
Enable
received
data
available
interrupt
(ERBFI)
Enable
transmitter
holding
register
empty
(ETBEI)
Enable
receiver line
status
interrupt
(ERLSI)
Enable
modem
status
interrupt
(EDDSSI)
0
0
Register Address
2-139
Interrupt
Ident.
Register
(read
only)
IIR
‘0’
if interrupt
is pending
Interrupt ID
bit 0
(IIDB0)
Interrupt ID
bit 1
(IIDB1)
Interrupt ID
bit 2
(IIDB2)
0
0
Functional Block Description
2
FIFO
Control
Register
(write
only)
FCR
FIFO
enable
(FEWO)
Receiver
FIFO reset
(RFR)
Transmitter
FIFO reset
(TFR)
DMA mode
select
(DMS)
Reserved
Reserved
PEB 20560
3
Line
Control
Register
LCR
Word
length
select bit 0
(WLS0)
Word
length
select bit 1
(WLS1)
Number of
stop bits
(STB)
Parity
enable
(PEN)
Even parity
select
(EPS)
Stick parity
(STP)
2003-08