peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 187
peb20560
Manufacturer Part Number
peb20560
Description
Dsp Oriented Pbx Controller Doc
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEB20560.pdf
(433 pages)
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Table 2-32 Summary of Registers 2 (cont’d)
Bit
No.
4
5
6
7
Table 2-33 Register Reset Values
Register/Signal
Interrupt enable register
Interrupt identification register
FIFO control register
Line control register
Modem control register
Line status register
Modem status register
SOUT
INTR (RCVR errors)
INTR (RCVR data ready)
Semiconductor Group
1)
2)
Bit 0 is the least significant bit. It is the first bit serially transmitted or received.
These bits are always 0 in the SAB 16C450 compatible mode.
4
Modem
Control
Register
MCR
Loop
0
0
0
5
Line
Status
Register
LSR
Break
interrupt (BI)
Transmitter
holding
register
(THRE)
Transmitter
empty
(TEMT)
Error in
RCVR FIFO
(EIRF)
2)
6
Modem
Status
Register
MSR
Clear to
send (CTS)
Data set
ready (DSR)
Ring
indicator (RI)
Data carrier
detect (DCD)
Reset Control
Master reset
Master reset
Master reset
Master reset
Master reset
Master reset
Master reset
Master reset
Read LSR/MR
Read LSR/MR
Register Address
2-141
7
Scratch
Register
SCR
Bit 4
Bit 5
Bit 6
Bit 7
Functional Block Description
0
(DLAB = 1)
Divisor
Latch (LS)
DLL
Bit 4
Bit 5
Bit 6
Bit 7
Reset State
0000 0000
0000 0001
0000 0000
0000 0000
0000 0000
0110 0000
XXXX 0000
High
Low
Low
PEB 20560
1
(DLAB = 1)
Divisor
Latch (MS)
DLM
Bit 12
Bit 13
Bit 14
Bit 15
1)
2)
2003-08
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