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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
Module: OUT_DIV_MUX
TRIGGER: Every register in this module is a trigger register. In the case of a multibyte register the highest address register byte is the trigger
byte.
GPIO_0.GPIO_CTRL Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
GPIO_FUNCTION[7:4]
R/W
0
Select GPIO function.
Selects which gpio function to perform.
0x0 = lock indicator (out)
0x1 = holdover indicator (out)
0x2 = LOS indicator (out)
0x3 = alert out (out)
0x4 = inc DCO FFO (in)
0x5 = dec DCO FFO (in)
0x6 = input clock disqualify (in)
0x7 = manual clock select (in)
0x8 = OTP configuration select (in)
0x9 = clock output control (in)
0xA = ToD trigger (in)
0xB = ToD read notification (out)
0xC = master/slave signal (in)
GPIO_PU_PD_MODE[3]
R/W
0
Select pull-up or pull-down.
Applies when GPIO direction is Input.
0 = pu
1 = pd
GPIO_CONTROL_DIR[2]
R/W
0
Select GPIO direction.
Applies when GPIO function mode is disabled.
0 = input
1 = output
GPIO_CMOS_OD_MODE[
1]
R/W
0
Select CMOS or open drain.
0 = cmos
1 = open drain
GPIO_FUNCTION_EN[0]
R/W
0
Enable GPIO function mode.
0 = disabled
1 = enabled
Table 320: OUT_DIV_MUX Register Index
Offset
(Hex)
Register Module Base Address: CA12h
Individual Register Name
Register Description
000h
Output divider 8 multiplexer.
001h
Output divider 11 multiplexer.
