LinkIt 2523 HDK v11 User's Guide
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Figure 10. The positions of jumpers J1105, J1110 to J1112. J1114, resistors R4101, R1113, GPDAC test point TP1101
and micro SD cardholder ......................................................................................................................................12
Figure 11. The jumper positions for J5201 and J5202, J1106, J1108, J1109.........................................................14
Figure 12. LED positions for LED2001, LED2003 and LED6601 .............................................................................19
Figure 13. LED positions for LED9201, LED9206 and LED9209 .............................................................................20
Figure 14. The positions of buttons, strap pin resistors, jumpers J1102 to J1104................................................21
Figure 15. LCM display module and backlight jumper locations ..........................................................................23
Figure 16. Jumpers J1001 to J1006 for storage options........................................................................................27
Figure 17. Jumper pin locations of J1007 to J1012, J1015....................................................................................28
Figure 18. Positions of J1101 and Bluetooth antenna path selection from J5001 to J5004, U1101, CON2101 and
resistor R5005 .......................................................................................................................................................31
Figure 19. The positions of UART and I2C pin header for debugging facilitation .................................................34
Figure 20. Micro-SD card holder CON4101...........................................................................................................35
Figure 21. Serial LCM daughterboard’s connector and I2C pull-up resistors (R1002, R1003) .............................36
Figure 22. Serial camera daughterboard CON6201 ..............................................................................................37
Figure 23. The position of the camera daughterboard pin headers .....................................................................37
Figure 24. High-speed USB2.0 connector .............................................................................................................39
Figure 25. CMSIS-DAP USB 1.1 full speed connector ............................................................................................39
Figure 26. MK20 JTAG connector, sensor daughterboard connector and PSRAM power switch J1113 ..............40
Figure 27. JTAG connector CON9002 pin definition .............................................................................................42
Figure 28. LinkIt 2523 HDK extension connectors ................................................................................................43
Figure 29. Block diagram.......................................................................................................................................50
Figure 30. I2C ID ....................................................................................................................................................51
Figure 31. PMU_SPEC............................................................................................................................................52
Figure 32. BB MT2523G BB ...................................................................................................................................53
Figure 33. BB_MT2523G_ABB...............................................................................................................................54
Figure 34. POWER_COMMON_LDO......................................................................................................................55
Figure 35. POWER_Charging .................................................................................................................................56
Figure 36. MEMORY_eMMC .................................................................................................................................57
Figure 37. MEMORY_SD Card ...............................................................................................................................58
Figure 38. CONNECTIVITY_BT_MT2523G..............................................................................................................59
Figure 39. CONNECTIVITY_GPS_MT2523G ...........................................................................................................60
Figure 40. PERI_Audio_IO .....................................................................................................................................61
Figure 41. PERI_LCD_Capacitive touch panel........................................................................................................62
Figure 42. PERI_CAMERA ......................................................................................................................................63
Figure 43. PERI_SENSOR_DTB_IO .........................................................................................................................64
Figure 44. PERI_USB..............................................................................................................................................65
Figure 45. PERI_KEY ..............................................................................................................................................66
Figure 46. PERI_SWD.............................................................................................................................................67
Figure 47. DEBUG_IO ............................................................................................................................................68
Figure 48. POWER INDICATOR ..............................................................................................................................69
Figure 49. LCM ......................................................................................................................................................70
Figure 50. LinkIt 2523 HDK layout (Layer 1)..........................................................................................................71
Figure 51. LinkIt 2523 HDK layout (Layer 2)..........................................................................................................72
