SX1441EVK Semtech, SX1441EVK Datasheet - Page 2
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SX1441EVK
Manufacturer Part Number
SX1441EVK
Description
KIT DEV FOR SX1441
Manufacturer
Semtech
Series
EasyBlue™r
Type
Bluetoothr
Datasheet
1.SX1441EVK.pdf
(85 pages)
Specifications of SX1441EVK
For Use With/related Products
SX1441
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Contents
-
Other names
SX1441DVK
SX1441DVK
SX1441DVK
Personal Area Network
1
2
3
© Semtech 2006
2.1
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.2.1
3.2.2
3.2.3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.6.1
3.6.2
3.6.3
3.7.1
3.7.2
3.7.3
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
3.8.7
3.8.8
3.8.9
3.9.1
Application Information – SX1441-based System Level Block Diagram ...........................................................5
SX1441 Pinout....................................................................................................................................................6
Detailed Functional Description..........................................................................................................................9
Pin description ............................................................................................................................................6
Block Diagram ............................................................................................................................................9
Host Processor system.............................................................................................................................11
Power Management Unit ..........................................................................................................................12
Reset controller.........................................................................................................................................16
Clock Distribution Unit ..............................................................................................................................18
Interrupt controller.....................................................................................................................................27
Event controller.........................................................................................................................................30
Digital input port PA[7:0] ...........................................................................................................................31
Digital input/output port PB[7:0] ................................................................................................................35
CoolRISC 816 CPU .............................................................................................................................11
Program memory .................................................................................................................................11
Data memory .......................................................................................................................................11
Features...............................................................................................................................................12
Register map .......................................................................................................................................12
Modes of operation ..............................................................................................................................13
Block diagram ......................................................................................................................................14
Regulators specifications, external components.................................................................................15
Battery End-Of-Life (EOL) ...................................................................................................................15
Features...............................................................................................................................................16
Register map .......................................................................................................................................16
Power-On-Reset / Brownout detector .................................................................................................17
Bus Error..............................................................................................................................................17
Watchdog.............................................................................................................................................17
Analog reset specifications..................................................................................................................18
Features...............................................................................................................................................18
Register map .......................................................................................................................................18
RC oscillator ........................................................................................................................................20
SLOW_CLOCK_IN ..............................................................................................................................20
SYS_CLOCK_IN..................................................................................................................................20
Clock source selection.........................................................................................................................20
RegSysMisc description ......................................................................................................................21
Prescalers............................................................................................................................................21
Codec and Bluetooth Sequencer clocks .............................................................................................27
Features...............................................................................................................................................27
Register map .......................................................................................................................................27
Operation .............................................................................................................................................29
Features...............................................................................................................................................30
Register map .......................................................................................................................................30
Operation .............................................................................................................................................31
Features...............................................................................................................................................31
Register map .......................................................................................................................................31
Block diagram ......................................................................................................................................33
Debounce mode ..................................................................................................................................33
Pull-ups/Snap-to-rail ............................................................................................................................33
Interrupt sources..................................................................................................................................34
Event sources ......................................................................................................................................34
Clock sources ......................................................................................................................................34
Reset sources......................................................................................................................................35
Features...............................................................................................................................................35
Table of Contents
2
SX1441 – Bluetooth® 1.2 SoC
www.semtech.com
Data Sheet