xe8802 Semtech Corporation, xe8802 Datasheet - Page 176

• Manufacturer Part Number: xe8802
• Description: Data Acquisition Soc With 16+10 Bit Zoomingadc? Embedded Risc Controller And Lcd Driver
• Manufacturer: Semtech Corporation

20.4 Interrupts and events map
20.5 Block schematic
© Semtech 2006
ckrcext/4
ckrcext
ck128
ck32k
PA(0)
PA(1)
PA(2)
PA(3)
ck1k
bit
7
6
5
4
3
2
1
0
CntDEnable
CntCEnable
CntBEnable
CntAEnable
CntDExtDiv
CntCExtDiv
CntBExtDiv
CntAExtDiv
RegCntOn
Interrupt source
IrqA
IrqB
IrqC
IrqD
RegCntA (write)
RegCntB (write)
RegCntC (write)
RegCntD (write)
Counter A
Counter B
Counter C
Counter D
Table 20-10. Default interrupt and event mapping.
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
rw
Figure 20-1: Counters/timers block schematic
XE8802 Sensing Machine Data Acquisition MCU
the interrupt manager
Default mapping in
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
RegIrqHigh(4)
RegIrqHigh(3)
RegIrqLow(5)
RegIrqLow(4)
Table 20-9. RegCntOn
reset
PWM
20-4
Capture
with ZoomingADC™ and LCD driver
ck1k
ck16k
Divide PA(3) frequency by 2 (1=divide)
Divide PA(2) frequency by 2 (1=divide)
Divide PA(1) frequency by 2 (1=divide)
Divide PA(0) frequency by 2 (1=divide)
Default mapping in the
RegCntA (read)
RegCntB (read)
RegCntC (read)
RegCntD (read)
PB(0)
PB(1)
event manager
RegEvn(7)
RegEvn(3)
RegEvn(6)
RegEvn(2)
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