W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 57

• Manufacturer Part Number: W90220F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

The above information is the exclusive intellectual property of Winbond Electroncs Corp. and shall not be dsiclosed or distributed or reproduced without permission from
Winbond.
57
Table 5.2.5-2 : COM2 Register Map
Receiver Buffer Register (RBR)
Port address : 0xf00003f8, DLAB=0 (COM1)
BA + 0x2f8,
BA + 0x2f8,
BA + 0x2f9,
BA + 0x2f8,
BA + 0x2f9,
BA + 0x3fa
BA + 0x3fd
BA + 0x2fa
BA + 0x2fa
BA + 0x2fd
BA + 0x3fc
BA + 0x3fe
BA + 0x3ff
Port Addr.
BA + 0x2fc
BA + 0x2fe
BA + 0x2ff
BA+ 0x3fb
BA+ 0x2fb
DLAB = 0
DLAB = 0
DLAB = 1
DLAB = 1
DLAB = 1
0xf00002f8, DLAB=0 (COM2)
MCR[0:7]
DLM[0:7]
MCR[0:7]
MSR[0:7]
MSR[0:7]
LCR[0:7]
TOR[0:7]
RBR[0:7]
THR[0:7]
DLL[0:7]
LCR[0:7]
TOR[0:7]
FCR[0:7]
FCR[0:7]
LSR[0:7]
LSR[0:7]
IER[3:7]
IIR[0:7]
Symbol
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
R
R
R
R
R
R
FIFO Control Register
Line Control Register
Modem Control Register
Line Status Register
MODEM Status Register
Time Out Register
Description
Receiver Buffer Register
Transmitter Holding Register
Interrupt Enable Register
Divisor Latch Register (LS)
Divisor Latch Register (MS)
Interrupt Identification Register
FIFO Control Register
Line Control Register
Modem Control Register
Line Status Register
MODEM Status Register
Time Out Register
Read only
Power-on Default : --
(IO base (BA) : 0xf0000000)
W90220F
Version 0.84