XE8000EV104 Semtech, XE8000EV104 Datasheet - Page 44
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XE8000EV104
Manufacturer Part Number
XE8000EV104
Description
EVAL BOARD FOR XE8805AMI028LF
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV104
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC05AMI028
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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7.4 Interrupts and events map
© Semtech 2006
OSCIN
IrqPre1
IrqPre2
EnXtal and
not(ExtClk or EnExtClk)
Interrupt
7-4
5
4
3
2
1
0
7-6
5
4
3
2
1
0
pos.
pos.
RC
External
Clock
Xtal
--
Reserved
RcFreqRange
RcFreqCoarse[3]
RcFreqCoarse[2]
RcFreqCoarse[1]
RcFreqCoarse[0]
--
RcFreqFine[5]
RcFreqFine[4]
RcFreqFine[3]
RcFreqFine[2]
RcFreqFine[1]
RcFreqFine[0]
RegSysRcTrim1
RegSysRcTrim2
Ck128Hz
Ck1Hz
Interrupt source
CkRc
CkXtal
0
1
RegSysRcTrim1
RegSysRcTrim2
CpuSel
0
1
Table 7-6: Interrupts and events map
r
rw
rw
rw
rw
rw
rw
r
rw
rw
rw
rw
rw
rw
Table 7-4: RegSysRCTrim1 register
Table 7-5: RegSysRCTrim2 register
Rw
rw
Mapping in the interrupt manager
7-1. Clock block structure
00
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
00
1 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
reset
reset
High prescaler
RegIrqMid(3)
RegIrqHig(6)
7-3
Unused
Reserved
Low/high freq. range (low=0)
RC coarse trim bit 3
RC coarse trim bit 2
RC coarse trim bit 1
RC coarse trim bit 0
Unused
RC fine trim bit 5
RC fine trim bit 4
RC fine trim bit 3
RC fine trim bit 2
RC fine trim bit 1
RC fine trim bit 0
0
1
Low prescaler
Mapping in the event manager
Function
function
RegEvn(5)
RegEvn(1)
XE8805/05A
CkRc/256
32kHz
CkRc
1Hz
CpuCk
to
to
www.semtech.com
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