XE8802MI000 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

XE8802MI000

Sensing Machine Data Acquisition SoC with 16+10 bit ZoomingADC™ Embedded RISC controller and LCD driver

Semtech Corporation 

XE8802 Sensing Machine Data Acquisition MCU

with ZoomingADC™ and LCD driver

bit

RegCntOn

rw

reset

function

7

CntDExtDiv

R/W 0 nresetglobal

Divide PA(3) frequency by 2 (1=divide)

6

CntCExtDiv

R/W 0 nresetglobal

Divide PA(2) frequency by 2 (1=divide)

5

CntBExtDiv

R/W 0 nresetglobal

Divide PA(1) frequency by 2 (1=divide)

4

CntAExtDiv

R/W 0 nresetglobal

Divide PA(0) frequency by 2 (1=divide)

3

CntDEnable

R/W 0 nresetglobal

Enable counter d

2

CntCEnable

R/W 0 nresetglobal

Enable counter c

1

CntBEnable

R/W 0 nresetglobal

Enable counter b

0

CntAEnable

R/W 0 nresetglobal

Enable counter a

Table 20-9. RegCntOn

20.4 Interrupts and events map

Interrupt source

IrqA

IrqB

IrqC

IrqD

Default mapping in

the interrupt manager

RegIrqHigh(4)

RegIrqLow(5)

RegIrqHigh(3)

RegIrqLow(4)

Default mapping in the

event manager

RegEvn(7)

RegEvn(3)

RegEvn(6)

RegEvn(2)

Table 20-10. Default interrupt and event mapping.

20.5 Block schematic

ck128

ckrcext/4

ckrcext

PA(0)

PA(1)

ck1k

ck32k

PA(2)

PA(3)

© Semtech 2006

RegCntA (write)

Counter A

RegCntB (write)

Counter B

RegCntC (write)

Counter C

RegCntD (write)

Counter D

ck1k

ck16k

Capture

RegCntA (read)

RegCntB (read)

RegCntC (read)

PWM

RegCntD (read)

PB(0)

PB(1)

Figure 20-1: Counters/timers block schematic

20-4

www.semtech.com

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