
Philips Semiconductors
Preliminary specification
XA-H3
CMOS 16-bit highly integrated microcontroller
1999 Sep 24
13
MMR Name
Reset
Value
Description
Address
Offset
Size
Read/Write or
Read Only
UART1 Write Register 14
R/W
8
85Ch
Miscellaneous Control bits
xx
UART1 Write Register 15
R/W
8
85Eh
External / Status interrupt control
f8h
Reserved – do not write
8
868h
Reserved – do not write
00h
Reserved – do not write
8
86Ah
Reserved – do not write
00h
UART1 Read Register 0
RO
8
860h
Tx/Rx buffer and external status
UART1 Read Register 1
RO
8
862h
Receive condition status
Reserved – do not write
864h
UART1 Read Register 3
RO
8
866
Interrupt Pending Bits
Reserved – do not write
8
86Ch
Reserved – do not write
Reserved – do not write
8
86Eh
Reserved – do not write
UART1 Read Register 8
RO
8
870h
Receive Buffer
Reserved – do not write
872h
UART1 Read Register 10
RO
8
874h
Clock status
Reserved – do not write
876-87Eh
UART2 Registers
UART2 Write Register 0
R/W
8
880h
Command register
00h
UART2 Write Register 1
R/W
8
882h
Tx/Rx Interrupt & data transfer mode
xx
UART2 Write Register 2
R/W
8
884h
Extended Features Control
xx
UART2 Write Register 3
R/W
8
886h
Receive Parameter and Control
00h
UART2 Write Register 4
R/W
8
888h
Tx/Rx miscellaneous parameters & mode
00h
UART2 Write Register 5
R/W
8
88Ah
Tx. parameter and control
00h
Reserved – do not write
8
88Ch
Reserved – do not write
00h
Reserved – do not write
8
88Eh
Reserved – do not write
xx
UART2 Write Register 8
R/W
8
890h
Transmit Data Buffer
xx
UART2 Write Register 9
R/W
8
892h
Master Interrupt control
xx
UART2 Write Register 10
R/W
8
894h
Miscellaneous Tx/Rx control register
00h
UART2 Write Register 11
R/W
8
896h
Clock Mode Control
xx
UART2 Write Register 12
R/W
8
898h
Lower Byte of Baud rate time constant
00h
UART2 Write Register 13
R/W
8
89Ah
Upper Byte of Baud rate time constant
00h
UART2 Write Register 14
R/W
8
89Ch
Miscellaneous Control bits
xx
UART2 Write Register 15
R/W
8
89Eh
External / Status interrupt control
f8h
Reserved – do not write
8
8A8h
Reserved – do not write
00h
Reserved – do not write
8
8AAh
Reserved – do not write
00h
UART2 Read Register 0
RO
8
8A0h
Tx/Rx buffer and external status
UART2 Read Register 1
RO
8
8A2h
Receive condition status
Reserved – do not write
8A4h
UART2 Read Register 3
RO
8
8A6h
Interrupt Pending Bits
Reserved – do not write
8
8ACh
Reserved – do not write
Reserved – do not write
8
8AEh
Reserved – do not write
UART2 Read Register 8
RO
8
8B0h
Receive Buffer
Reserved – do not write
8B2h
UART2 Read Register 10
RO
8
8B4h
Clock status
Reserved – do not write
8B6-8BEh