8T49N234 Datasheet, PDF (21/62 Pages) Integrated Device Technology – FemtoClock NG Universal Frequency Translator

8T49N234 Datasheet
Bit Field Name
GPI3SEL[2:0]
GPO0SEL[2:0]
GPO1SEL[2:0]
GPIO Control Register Block Field Descriptions
Field
Type Default Value
Description
R/W
000b
Function of GPIO[3] pin when set to input mode by GPIO_DIR[3] register bit:
000 = general purpose input (value on GPIO[3] pin directly reflected in GPI[3] register bit)
001 = Reserved
010 = Reserved
011 = Reserved
100 through 111 = Reserved
R/W
000b
Function of GPIO[0] pin when set to output mode by GPIO_DIR[0] register bit:
000 = general purpose output (value in GPO[0] register bit driven on GPIO[0] pin
001 = Reserved
010 = Reserved
011 = Reserved
100 = Reserved
101 = Reserved
110 through 111 = Reserved
R/W
000b
Function of GPIO[1] pin when set to output mode by GPIO_DIR[1] register bit:
000 = general purpose output (value in GPO[1] register bit driven on GPIO[1] pin
001 = Loss-of-Signal status flag for input reference 1 (FBIN) reflected on GPIO[1] pin
010 = Reserved
011 = Reserved
100 = Reserved
101 = Reserved
110 = Reserved
111 = Reserved
©2016 Integrated Device Technology, Inc.
21
December 13, 2016
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