XA-SCC NXP Semiconductors, XA-SCC Datasheet - Page 27

• Manufacturer Part Number: XA-SCC
• Description: Cmos 16-bit Communications Microcontroller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
EVENT INTERRUPTS
SOFTWARE INTERRUPTS
1999 Feb 23
High Priority Software
Interrupt 3
High Priority Software
Interrupt 2
High Priority Software
Interrupt 1
High Priority Software
Interrupt 0
SCP Port
Autobaud and V.54/2047 multiple OR from
SCC “SCC2/3” Interrupt
SCC “SCC0/1” Interrupt
DMA “DMAH” Interrupt
DMA “DMAL” Interrupt
External Interrupt 2
(INT2)
Timer 1
External Interrupt 1
(INT1)
Timer 0
External Interrupt 0
(INT0)
Event Interrupt Source
CMOS 16-bit communications microcontroller
Software Interrupt 1
Software Interrupt 2
Software Interrupt 3
Software Interrupt 4
Software Interrupt 5
Software Interrupt 6
Software Interrupt 7
DESCRIPTION
Description
HSWR3
MMR
HSWR2
MMR
HSWR1
MMR
HSWR0
MMR
SPFG
SCPCS[3]
MMR
Autobauds 3–0 &
V.54/2047 A and B
multiple OR from
SCC2 & SCC3
multiple OR from
SCC0 & SCC1
multiple OR from DMA
multiple OR from DMA
IE2
MMR
TF1
SFR
IE1
SFR
TF0
SFR
IE0
SFR
FLAG BIT
SWR1
SWR2
SWR3
SWR4
SWR5
SWR6
SWR7
Flag Bit
VECTOR ADDRESS
010C–010F
0100–0103
0104–0107
0108–010B
0110–0113
0114–0117
0118–011B
Interrupt Vector
00BF–00BC
00AF–00AC
009B– 0098
00BB–00B8
00B7–00B4
00B3–00B0
00AB–00A8
00A7–00A4
00A3–00A0
008F–008C
008B–0088
0097–0094
0093–0090
0087–0084
0083–0080
Address
27
ENABLE BIT
EHSWR3
EHSWR2
EHSWR1
EHSWR0
ESCP
EAuto
ESC23
ESC01
EDMAH
EDMAL
EX2
ET1
EX1
ET0
EX0
SWE1
SWE2
SWE3
SWE4
SWE5
SWE6
SWE7
Enable Bit
(SFR)
PHSWR3
PHSWR2
PHSWR1
PHSWR0
PSCP
PAutoB
PSC23
PSC01
PDMAH
PDMAL
PX2
PT1
PX1
PT0
PX0
Priority Register Bit
Field (SFR)
INTERRUPT PRIORITY
(fixed at 1)
(fixed at 2)
(fixed at 3)
(fixed at 4)
(fixed at 5)
(fixed at 6)
(fixed at 7)
Preliminary specification
XA-SCC
Arb. Rank
17
16
15
14
13
12
11
10
8
7
6
5
4
3
2