WizFi250 Datasheet (Version 1.01) 2013 WIZnet Co., Ltd. All Rights Reserved. For more information, visit our website at Document Revision History Date Revision Changes 2013.11.28 V1.00 Official Release Fixed some mistyping 2014.4.2 V1.01 Add JTAG TCK (Pin Number 54) WizFi250 Specification (WIZnet Co., Ltd.)