User Guide

User Guide
iolinker Evaluation Board JI11x-81L-B
Pin Designation Function Pin Designation Function
D2 JTAGEN Use 10k pull-down to
GND
H7 COM1 NC
1
,
SPI CLK
2
,
I2C SCL
3
D3 P11 GPIO H8 P43 GPIO
D4 P12 / TMS GPIO H9 P44 GPIO
D5 P13 GPIO J1 GND –
D6 P14 GPIO J2 P45 GPIO
D7 P15 GPIO J3 P46 GPIO
D8 P16 GPIO J4 VCCIO –
D9 P17 GPIO J5 P47 GPIO
E1 P18 GPIO J6 P48 GPIO
E2 P19 GPIO J7 COM3 UART TX
1
,
SPI MISO
2
,
I2C Data
3
E3 P20 GPIO J8 P49 GPIO
E4 P21 GPIO / TCK J9 GND –
E5 GND –
Table 2: Pin description WLCSP-81
Take special care when using GPIOs that hold a second function as JTAG pins and compare
with the schematic to verify that they are not pulled up externally.
1
UART chip version
2
SPI chip version
3
I2C chip version
c
 2017 jInvent. The specifications and information herein are subject to change without notice.
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