Datasheet

8-bit Fact Sheet
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© Freescale Semiconductor, Inc. 2008.
DocumentNumber:9S08QB84FS/REV2
AgileNumber:926-78175/REVC
Features
Benefits
Peripherals
• ADC—8-channel,12-bitresolutionfor28-pin
and 24-pin packages, 10-bit resolution for 16-pin
package;2.5µsconversiontimeforboth10-bit
and12-bitresolution;automaticcomparefunction;
internaltemperaturesensor;internalbandgap
referencechannel;operationinlow-power
stop mode
• Allowsupto8externalADCchannelstobe
sampled at extremely high speeds
• Accuracyandfullfunctionalityguaranteedacross
1.8V to 3.6V operating voltage of the MCU
• Timer/pulse-widthmodulator(TPM)—onechannel
with 16-bit counter, selectable input capture,
output compare, or buffered edge- or center-
aligned PWM
• TheTPMchannelislocatedatPTA0bydefaultbut
it can also be selected by software to relocate at
PTB5 port
• 16-bitbasefreerunningcounterallowhigher
resolution for input capture results and longer TPM
period comparing to the conventional 8-bit
base counter
• TPMchannelrepositionatdifferentI/Oportallows
exibilitytoapplyTPMfunctionsatdifferentpinout
as application desire
• Serialcommunicationsinterface(SCI)—module
offering asynchronous communications,13-bit break
option,exiblebaudrategenerator,doublebuffered
transmit and receive and optional H/W parity
checking and generation
• ProvidesstandardUARTcommunicationsperipheral
• Allowsfull-duplex,asynchronous,NRZserial
communication between MCU and remote devices
• EdgeinterruptcanwakeupMCUfrom
low-power mode
• Analogcomparator(ACMP)withoptiontocompare
to an internal reference voltage. Output can be
optionally routed to TPM as input capture trigger
• Requiresonlysinglepinforinputsignal,freeing
additional pins for other use
• Allowsothercomponentsinsystemtoseeresult
of comparator with minimal delay
• CanbeusedforsingleslopeADCandRCtime
constant measurements
• 8-bitmoduletimermodulewith8-bit
prescaler (MTIM)
• Atimeroverowinterruptcanbeenabledto
generate periodic interrupts for time-based
software loops
Input/Output
• Upto22generalpurposeinput/output(GPIO),
one input-only and one output-only pin
• ResultsinlargenumberofexibleI/Opinsthatallow
developers to easily interface device into their
own designs
• 8keyboardinterrupts(KBI)pinswith
selectable polarity
• Canbeusedforreadinginputfromakeypador
used as general pin interrupts
System Protection
• Watchdogcomputeroperatingproperly(COP)
reset with option to run from dedicated 1 kHz
internal clock source or bus clock
• Allowsdevicetorecognizerunawaycode
(inniteloops)andresetsprocessortoavoid
lock-up states
• Low-voltagedetectionwithresetorinterrupt;
selectable trip points
• Alarmsthedeveloperofvoltagedropsoutside
of the typical operating range
• Illegalopcodeandillegaladdressdetection
with reset
• Allowsthedevicetorecognizeerroneouscode
and resets the processor to avoid lock-up states
• Flashblockprotection
• Preventsunintentionalprogrammingofprotected
ashmemory,whichgreatlyreducesthechanceof
losing vital system code for vendor applications
Development Support
• Breakpointcapability
• Allowssinglebreakpointsettingduringin-circuit
debugging (plus three more breakpoints in on-chip
debug module)
Cost-Effective Development Tools
DEMO9S08QB8
$69*
Cost-effective demonstration kit including QE
family base board being reused by QB family
and the QB8 daughter card, as well as serial
port and built-in USB-BDM cable for debugging
and programming. This tool includes a lab that
demonstrates the ultra-low-power benefits.
DC9S08QB8
$10*
Daughter card of QB8 to use on your
DEMOQE base board.
CodeWarrior
™
Development Studio
for Microcontrollers 6.2
Complimentary**SpecialEdition
CodeWarrior Development Studio for
Microcontrollers is a single tool suite
that supports software development for
Freescale’s 8- and 32-bit V1 ColdFire
®
microcontrollers. Designers can further
accelerate application development with the
help of Processor Expert™, an award-winning
rapid application development tool integrated
into the CodeWarrior tool suite.
* Prices indicated are MSRP
** Subject to license agreement
Package Options
Part Number Temp. Range Package
MC9S08QB8CWL -40°C to +85°C 28-pin SOIC
MC9S08QB8CGK -40°C to +85°C 24-pin QFN
MC9S08QB8CTG -40°C to +85°C 16-pin TSSOP
MC9S08QB4CWL -40°C to +85°C 28-pin SOIC
MC9S08QB4CGK -40°C to +85°C 24-pin QFN
MC9S08QB4CTG -40°C to +85°C 16-pin TSSOP