XA-H3 Datasheet, PDF (12/36 Pages) NXP Semiconductors – CMOS 16-bit highly integrated microcontroller

Philips Semiconductors
CMOS 16-bit highly integrated microcontroller
Preliminary specification
XA-H3
Table 3. Memory Mapped Registers (MMR)
MMR Name
UART0 Write Register 0
UART0 Write Register 1
UART0 Write Register 2
UART0 Write Register 3
UART0 Write Register 4
UART0 Write Register 5
Reserved – do not write
Reserved – do not write
UART0 Write Register 8
UART0 Write Register 9
UART0 Write Register 10
UART0 Write Register 11
UART0 Write Register 12
UART0 Write Register 13
UART0 Write Register 14
UART0 Write Register 15
Reserved – do not write
Reserved – do not write
UART0 Read Register 0
UART0 Read Register 1
Reserved – do not write
UART0 Read Register 3
Reserved – do not write
Reserved – do not write
UART0 Read Register 8
Reserved – do not write
UART0 Read Register 10
Reserved – do not write
UART1 Write Register 0
UART1 Write Register 1
UART1 Write Register 2
UART1 Write Register 3
UART1 Write Register 4
UART1 Write Register 5
Reserved – do not write
Reserved – do not write
UART1 Write Register 8
UART1 Write Register 9
UART1 Write Register 10
UART1 Write Register 11
UART1 Write Register 12
UART1 Write Register 13
Read/Write or
Read Only
Size
Address
Offset
Description
UART0 Registers
R/W
8
800h Command register
R/W
8
802h Tx/Rx Interrupt & data transfer mode
R/W
8
804h Extended Features Control
R/W
8
806h Receive Parameter and Control
R/W
8
808h Tx/Rx miscellaneous parameters & mode
R/W
8
80Ah Tx parameter and control
8
80Ch Reserved – do not write
8
80Eh Reserved – do not write
R/W
8
810h Transmit Data Buffer
R/W
8
812h Master Interrupt control
R/W
8
814h Miscellaneous Tx/Rx control register
R/W
8
816h Clock Mode Control
R/W
8
818h Lower Byte of Baud rate time constant
R/W
8
81Ah Upper Byte of Baud rate time constant
R/W
8
81Ch Miscellaneous Control bits
R/W
8
81Eh External / Status interrupt control
8
828h Reserved – do not write
8
82Ah Reserved – do not write
RO
8
820h Tx/Rx buffer and external status
RO
8
822h Receive condition status
824h
RO
8
826h Interrupt Pending Bits
8
82Ch Reserved – do not write
8
82Eh Reserved – do not write
RO
8
830h Receive Buffer
832h
RO
8
834h Clock status
836-83Eh
UART1 Registers
R/W
8
840h Command register
R/W
8
842h Tx/Rx Interrupt & data transfer mode
R/W
8
844h Extended Features Control
R/W
8
846h Receive Parameter and Control
R/W
8
848h Tx/Rx miscellaneous parameters & mode
R/W
8
84Ah Tx. parameter and control
8
84Ch Reserved – do not write
8
84Eh Reserved – do not write
R/W
8
850h Transmit Data Buffer
R/W
8
852h Master Interrupt control
R/W
8
854h Miscellaneous Tx/Rx control register
R/W
8
856h Clock Mode Control
R/W
8
858h Lower Byte of Baud rate time constant
R/W
8
85Ah Upper Byte of Baud rate time constant
1999 Sep 24
12
Reset
Value
00h
xx
xx
00h
00h
00h
00h
xx
xx
xx
00h
xx
00h
00h
xx
f8h
00h
00h
–
–
00h
xx
xx
00h
00h
00h
00h
xx
xx
xx
00h
xx
00h
00h