XA-SCC Datasheet, PDF (27/42 Pages) NXP Semiconductors – CMOS 16-bit communications microcontroller

Philips Semiconductors
CMOS 16-bit communications microcontroller
Preliminary specification
XA-SCC
EVENT INTERRUPTS
Description
Event Interrupt Source
Flag Bit
High Priority Software
Interrupt 3
HSWR3
MMR
High Priority Software
Interrupt 2
HSWR2
MMR
High Priority Software
Interrupt 1
HSWR1
MMR
High Priority Software
Interrupt 0
HSWR0
MMR
SCP Port
SPFG
SCPCS[3]
MMR
Autobaud and V.54/2047 multiple OR from
Autobauds 3–0 &
V.54/2047 A and B
SCC “SCC2/3” Interrupt multiple OR from
SCC2 & SCC3
SCC “SCC0/1” Interrupt multiple OR from
SCC0 & SCC1
DMA “DMAH” Interrupt multiple OR from DMA
DMA “DMAL” Interrupt multiple OR from DMA
External Interrupt 2
(INT2)
IE2
MMR
Timer 1
TF1
SFR
External Interrupt 1
(INT1)
IE1
SFR
Timer 0
TF0
SFR
External Interrupt 0
(INT0)
IE0
SFR
Interrupt Vector
Address
00BF–00BC
Enable Bit
(SFR)
EHSWR3
00BB–00B8
EHSWR2
00B7–00B4
EHSWR1
00B3–00B0
EHSWR0
00AF–00AC
ESCP
00AB–00A8
EAuto
00A7–00A4
00A3–00A0
009B– 0098
0097–0094
0093–0090
008F–008C
008B–0088
0087–0084
0083–0080
ESC23
ESC01
EDMAH
EDMAL
EX2
ET1
EX1
ET0
EX0
Priority Register Bit
Field (SFR)
PHSWR3
PHSWR2
PHSWR1
PHSWR0
PSCP
PAutoB
PSC23
PSC01
PDMAH
PDMAL
PX2
PT1
PX1
PT0
PX0
Arb. Rank
17
16
15
14
13
12
11
10
8
7
6
5
4
3
2
SOFTWARE INTERRUPTS
DESCRIPTION
FLAG BIT
Software Interrupt 1
SWR1
Software Interrupt 2
SWR2
Software Interrupt 3
SWR3
Software Interrupt 4
SWR4
Software Interrupt 5
SWR5
Software Interrupt 6
SWR6
Software Interrupt 7
SWR7
VECTOR ADDRESS
0100–0103
0104–0107
0108–010B
010C–010F
0110–0113
0114–0117
0118–011B
ENABLE BIT
SWE1
SWE2
SWE3
SWE4
SWE5
SWE6
SWE7
INTERRUPT PRIORITY
(fixed at 1)
(fixed at 2)
(fixed at 3)
(fixed at 4)
(fixed at 5)
(fixed at 6)
(fixed at 7)
1999 Mar 29
27