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

Philips Semiconductors
CMOS 16-bit highly integrated microcontroller
Preliminary specification
XA-H3
MMR Name
Data FIFO Register Ch.0 Tx
DMA Control Register Ch.1 Tx
FIFO Control & Status Register Ch.1 Tx
Segment Register Ch.1 Tx
Buffer Base Register Ch.1 Tx
Buffer Bound Register Ch.1 Tx
Address Pointer Reg Ch.1 Tx
Byte Count Register Ch.1 Tx
Data FIFO Register Ch.1 Lo Tx
Data FIFO Register Ch.1 Hi Tx
DMA Control Register Ch.2 Tx
FIFO Control & Status Register Ch.2 Tx
Segment Register Ch.2 Tx
Buffer Base Register Ch.2 Tx
Buffer Bound Register Ch.2 Tx
Address Pointer Reg Ch.2 Tx
Byte Count Register Ch.2 Tx
Data FIFO Register Ch.2 Lo Tx
Data FIFO Register Ch.2 Hi Tx
DMA Control Register Ch.3 Tx
FIFO Control & Status Register Ch.3 Tx
Segment Register Ch. 3 Tx
Buffer Base Register Ch. 3 Tx
Buffer Bound Register Ch.3 Tx
Address Pointer Reg Ch.3 Tx
Byte Count Register Ch.3 Tx
Data FIFO Register Ch.3Lo Tx
Data FIFO Register Ch.3 Hi Tx
Rx Character Time Out Register Ch.0
Rx Character Time Out Register Ch.1
Rx Character Time Out Register Ch.2
Rx Character Time Out Register Ch.3
Global DMA Interrupt Register
GPOut
Read/Write or
Read Only
Size
Address
Offset
Description
Reset
Value
R/W
16
14Eh
14E = Byte2 = older
0000h
14F = Byte3 = younger
R/W
8
150h Control Register
00h
R/W
8
151h Control & Status Register
00h
R/W
8
152h Points to 64 k data segment
00h
R/W
8
154h Wrap Reload Value for A15 – A8, A7 – A0
00h
reloaded to zero by hardware
R/W
16
156h Upper Bound (plus 1) on A15 – A0
0000h
R/W
16
158h Current Address pointer A15 – A0
0000h
R/W
16
15Ah Corresponds to A15 – A0 Byte Count, generates 0000h
interrupt if enabled and byte count exceeded.
R/W
16
15Ch Byte0 & 1
0000h
R/W
16
15Eh Byte2 & 3
0000h
R/W
8
160h Control Register
00h
R/W
8
161h Control & Status Register
00h
R/W
8
162h Points to 64 k data segment
00h
R/W
8
164h Wrap Reload Value for A15 – A8, A7 – A0
00h
reloaded to zero by hardware
R/W
16
166h Upper Bound (plus 1) on A15 – A0
0000h
R/W
16
168h Current Address pointer A15 – A0
0000h
R/W
16
16Ah Corresponds to A15 – A0 Byte Count, generates 0000h
interrupt if enabled and byte count exceeded.
R/W
16
16Ch Byte0 & 1
0000h
R/W
16
16Eh Byte2 & 3
0000h
R/W
8
170h Control Register
00h
R/W
8
171h Control & Status Register
00h
R/W
8
172h Points to 64 k data segment
00h
R/W
8
174h
Wrap Reload Value for A15 – A8,
00h
A7 – A0 reloaded to zero by hardware
R/W
16
176h Upper Bound (plus 1) on A15 – A0
0000h
R/W
16
178h Current Address pointer A15 – A0
0000h
R/W
16
17Ah Corresponds to A15 – A0 Byte Count, generates 0000h
interrupt if enabled and byte count exceeded.
R/W
16
17Ch Byte0 & 1
0000h
R/W
16
17Eh Byte2 & 3
0000h
R/W
180-1FEh RESERVED for future DMA
–
Miscellaneous DMA Registers
R/W
8
200h 0 value disables counter interrupt.
R/W
8
202h Same as above, for Rx1
R/W
8
204h Same as above, for Rx2
R/W
8
206h Same as above, for Rx3
R/W
16
210h DMA Interrupt Flags
R/W
8
260h
GPOut[7] drives pin 98 (GPOut) through an
inverter.
GPOut[6-0] are unused, and must be written
with zeroes.
00h
00h
00h
00h
0000h
8xh
1999 Sep 24
16