BC68F2420
315/433MHz RF Super-regenerative
Receiver SoC Flash MCU
Pin Description
WithꢀtheꢀexceptionꢀofꢀtheꢀpowerꢀpinsꢀandꢀsomeꢀrelevantꢀRFꢀcontrolꢀpins,ꢀallꢀpinsꢀonꢀtheꢀdeviceꢀcanꢀ
beꢀreferencedꢀbyꢀtheirꢀPortꢀname,ꢀe.g.ꢀPA0,ꢀPA1ꢀetc.,ꢀwhichꢀreferꢀtoꢀtheꢀdigitalꢀI/Oꢀfunctionꢀofꢀtheꢀ
pins.ꢀHoweverꢀtheseꢀPortꢀpinsꢀareꢀalsoꢀsharedꢀwithꢀotherꢀfunctionꢀsuchꢀasꢀtheꢀTimerꢀModuleꢀpinsꢀetc.ꢀ
Theꢀfunctionꢀofꢀeachꢀpinꢀisꢀlistedꢀinꢀtheꢀfollowingꢀtable,ꢀhoweverꢀtheꢀdetailsꢀbehindꢀhowꢀeachꢀpinꢀisꢀ
configuredꢀisꢀcontainedꢀinꢀotherꢀsectionsꢀofꢀtheꢀdatasheet.ꢀ
AsꢀtheꢀPinꢀDescriptionꢀSummaryꢀtableꢀappliesꢀtoꢀtheꢀpackageꢀtypeꢀwithꢀtheꢀmostꢀpins,ꢀnotꢀallꢀofꢀtheꢀ
aboveꢀlistedꢀpinsꢀmayꢀbeꢀpresentꢀonꢀpackageꢀtypesꢀwithꢀsmallerꢀnumbersꢀofꢀpins.
Pin Name
Function
OPT
I/T
O/T
C�OS
—
Description
PAPU
PAWU
General purpose I/O. Register enabled pull-up and
wake-up
PA0
ST
PA0/STCK/ICPDA/
OCDSDA
STCK
ICPDA
—
—
—
ST
ST
ST
ST� clock input
C�OS ICP data/address
OCDSDA
C�OS OCDS address/dataꢃ for EV chip onlꢀ
PAPU
PAWU
General purpose I/O. Register enabled pull-up and
wake-up
PA1
ST
C�OS
PA1/INT0/STPI
INT0
STPI
—
ST
ST
—
—
External interrupt 0 input
ST� capture input
IFS
PAPU
PAWU
PXSR
General purpose I/O. Register enabled pull-up and
wake-up
PAꢁ
ST
C�OS
PAꢁ/STP/ICPCK/
OCDSCK
STP
PXSR
—
—
ST
ST
C�OS ST� output
ICPCK
—
—
ICP clock
OCDSCK
—
OCDS clockꢃ for EV chip onlꢀ
PAPU
PAWU
PXSR
General purpose I/O. Register enabled pull-up and
wake-up
PA3
ST
C�OS
PA3/STPB
STPB
PAꢂ
PXSR
—
C�OS ST� inverted output
PAPU
PAWU
General purpose I/O. Register enabled pull-up and
wake-up
ST
ST
ST
ST
C�OS
—
PAꢂ/INT1
INT1
PA5
—
External interrupt 1 input
PAPU
PAWU
General purpose I/O. Register enabled pull-up and
wake-up
C�OS
—
PA5/CTCK
CTCK
—
CT� clock input
PAPU
PAWU
PXSR
General purpose I/O. Register enabled pull-up and
wake-up
PA6
CTP
PAꢄ
ST
—
C�OS
PA6/CTP
PXSR
C�OS CT� output
PAPU
PAWU
PXSR
General purpose I/O. Register enabled pull-up and
wake-up
ST
—
C�OS
PAꢄ/CTPB
CTPB
PB0
PXSR
C�OS CT� inverted output
PBPU
PBWU
PXSR
General purpose I/O. Register enabled pull-up and
wake-up
ST
C�OS
PB0/RFDO
RFIN
RFDO
RFIN
PXSR
—
—
C�OS RF Demodulator data output
RF signal inputꢃ OOK RF signal source
AN
—
Rev. 1.00
9
�aꢀ ꢁꢂꢃ ꢁ01ꢄ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
