ST40RA166 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST40RA166' PDF : 88 Pages View PDF
ST40RA166
4 System configuration
Interrupt source
INTEVT
code
Interrupt priority
Value
Initial value
IPR
bit numbers
RTC
ATI
PRI
CUI
SCIF1
ERI
RXI
BRI
TXI
SCIF2
ERI
RXI
BRI
TXI
WDT
ITI
0x480
0x4A0
0 to 15
0
IPRA [3:0]
0x4C0
0x4E0
0x500
0 to 15
0
0x520
IPRB[7:4]
0x540
0x700
0x720
0 to 15
0
0x740
IPRC[7:4]
0x760
0x560
0 to 15
0
IPRB[15:12]
Table 2: ST40 core interrupt allocation (page 2 of 2)
Priority
within IPR
setting unit
High
to
low
High
to
low
High
to
low
-
4.3.2 ST40 standard system interrupt allocation
Standard ST40 family interrupts are mapped as shown in Table 3.
Interrupt source
PCI
DMAC
PIO0
PIO1
PIO2
PCI_SERR_INT
PCI_ERR_INT
PCI_AD_INT
PCI_PWR_DWN
Reserved
DMA_INT0
DMA_INT1
DMA_INT2
DMA_INT3
DMA_INT4
Reserved
DMA_ERR
PIO0
PIO1
PIO2
INTEVT
code
0xA00
0xA20
0xA40
0xA60
Interrupt priority
Value
Initial value
IPR
bit numbers
0 to 15
INTPRI00[0:3]
0
INTPRI00[7:4]
0xB00
0xB20
0xB40
0xB60
0xB80
0 to 15
0
INTPRI00[11:8]
0xBC0
0xC00
0xC80
0xD00
0 to 15
0 to 15
0 to 15
0
INTPRI00[15:12]
0
INTPRI00[19:16]
0
INTPRI00[23:20]
Table 3: ST40 standard interrupt allocation
Priority
within IPR
setting unit
High to low
High
to
low
High
to
low
-
-
-
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