XE8805 SEMTECH [Semtech Corporation], XE8805 Datasheet - Page 143

• Manufacturer Part Number: XE8805
• Description: Data Acquisition MCU
• Manufacturer: SEMTECH [Semtech Corporation]

Note: When writing RegCntC or RegCntD, the processor writes the counter comparison values. When reading
these locations, the processor reads back the actual counter value.
20.4 Interrupts and events map
© Semtech 2006
7-0
7-0
7-6
5-4
3-2
1-0
7-6
5-4
3-2
1-0
7-4
bit
bit
bit
bit
bit
7
6
5
4
3
2
1
0
3
2
1
0
CntDCkSel(1:0)
CntCCkSel(1:0)
CntBCkSel(1:0)
CntACkSel(1:0)
Pwm1Size(1:0)
Pwm0Size(1:0)
RegCntConfig2
RegCntConfig1
CapFunc(1:0)
CntDDownUp
CntCDownUp
CntBDownUp
CntADownUp
RegCntCtrlCk
CascadeCD
CapSel(1:0)
CntDEnable
CntCEnable
CascadeAB
CntBEnable
CntAEnable
CntPWM1
CntPWM0
RegCntOn
CounterD
CounterD
RegCntD
Interrupt source
--
IrqC
IrqD
IrqA
IrqB
Table 20-9. Interrupt and event mapping.
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r
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Table 20-6. RegCntConfig1
Table 20-7. RegCntConfig2
Table 20-5. RegCntCtrlCk
interrupt manager
0 resetsystem
0 resetsystem
Table 20-8. RegCntOn
Mapping in the
0 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
Table 20-4. RegCntD
RegIrqHigh(4)
RegIrqHigh(3)
RegIrqLow(5)
RegIrqLow(4)
Reset
Reset
0000
x
x
x
x
x
x
00 resetsystem
00 resetsystem
20-3
xxxxxxxx
xxxxxxxx
Reset
reset
reset
xx
xx
xx
xx
xx
xx
Activate pwm0 on counter a or a+b (PB(0))
Activate pwm1 on counter c or c+d (PB(1))
Counter d up or down counting (0=down)
Counter b up or down counting (0=down)
Counter a up or down counting (0=down)
Counter c up or down counting (0=down)
Cascade counter c & d (1=cascade)
Cascade counter a & b (1=cascade)
Mapping in the event
RegEvn(7)
RegEvn(3)
RegEvn(6)
RegEvn(2)
manager
Enable counter d
Enable counter b
Enable counter a
Enable counter c
function
Function
Reserved
Counter d clock selection
Counter b clock selection
Counter a clock selection
Counter c clock selection
Capture source selection
8-bits comparison value
Pwm1 size selection
Pwm0 size selection
8-bits counter value
Capture function
function
function
function
XE8805/05A
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