4 uart d (ser4), Uart d (ser4) - 19, Vmp3 configuration – Kontron VMP3 User Manual
Page 79
VMP3
Configuration
ID 29230, Rev. 01
© 2005 Kontron Modular Computers GmbH
Page 4 - 19
29230
.01.UG.VC.050727/091437
P R E L I M I N A R Y
4.3.4
UART D (SER4)
The following table indicate the address mapping of the UART D (SER4). For a more detailed
description please refer to the EXAR XR16C2850 or XR16C2750 DUART manual.
Accessible only when CS A/B is logical 0.
Accessible only when CS A/B is logical 0 and LCR bit 7 is a logical 1.
Accessible only when LCR is set to “BF” hex.
Table 4-28: UART D General Register Set
READ MODE
WRITE MODE
ADDRESS
Receive Holding Register
Transmit Holding Register
0xFFFF 8018
n/a
Interrupt Enable Register
0xFFFF 8019
Interrupt Status Register
FIFO Control Register
0xFFFF 802A
n/a
Line Control Register
0xFFFF 802B
n/a
Modem Control Register
0xFFFF 802C
Line Status Register
n/a
0xFFFF 802D
Modem Status Register
n/a
0xFFFF 802E
Scratchpad Register
Scratchpad Register
0xFFFF 802F
Table 4-29: UART D Baud Rate Register Set
READ MODE
WRITE MODE
ADDRESS
LSB of divisor latch
LSB of divisor latch
0xFFFF 8018
MSB of divisor latch
MSB of divisor latch
0xFFFF 8019
Table 4-30: UART D Enhanced Register Set
READ MODE
WRITE MODE
ADDRESS
Trigger Level Register
Trigger Level Register
0xFFFF 8018
Feature Control Register
Feature Control Register
0xFFFF 8019
Enhanced Feature Register
Enhanced Feature Register
0xFFFF 802A
Enhanced Mode Select Register
Enhanced Mode Select Register
0xFFFF 802F
Xon-1
Xon-1
0xFFFF 802C
Xon-2
Xon-2
0xFFFF 802D
Xoff-1
Xoff-1
0xFFFF 802E
Xoff-2
Xoff-2
0xFFFF 802F