IDT 8A3 Series - GPIO_0.GPIO_ALERT_OUT_CFG; GPIO_0.GPIO_TOD_NOTIFICATION_CFG

244©2018 Integrated Device Technology, Inc September 12, 2018
8A3xxxx Family Programming Guide
GPIO_0.GPIO_ALERT_OUT_CFG
Configure the GPIO alert active level.
GPIO_0.GPIO_TOD_NOTIFICATION_CFG
Enable the TOD Read notification for a GPIO.
Table 317: GPIO_0.GPIO_ALERT_OUT_CFG Bit Field Locations and Descriptions
Offset
Address
(Hex)
GPIO_0.GPIO_ALERT_OUT_CFG Bit Field Locations
D7 D6 D5 D4 D3 D2 D1 D0
00Eh RESERVED[7:1] GPIO_ALER
T_OUT_LEV
EL[0]
GPIO_0.GPIO_ALERT_OUT_CFG Bit Field Descriptions
Bit Field Name Field Type Default Value Description
RESERVED N/A - This field must not be modified from the read value
GPIO_ALERT_OUT_LEVE
L[0]
R/W 0 GPIO alert out active level.
0 = active low
1 = active high
Table 318: GPIO_0.GPIO_TOD_NOTIFICATION_CFG Bit Field Locations and Descriptions
Offset
Address
(Hex)
GPIO_0.GPIO_TOD_NOTIFICATION_CFG Bit Field Locations
D7 D6 D5 D4 D3 D2 D1 D0
00Fh RESERVED[7:4] GPIO_ASSE
RT_LEVEL[3
]
TOD_READ_
SECONDAR
Y[2]
DPLL_TOD[1:0]
GPIO_0.GPIO_TOD_NOTIFICATION_CFG Bit Field Descriptions
Bit Field Name Field Type Default Value Description
RESERVED N/A - This field must not be modified from the read value
GPIO_ASSERT_LEVEL[3] R/W 0 Indicates the level to drive the GPIO pin when a TOD read trigger event has
occurred.
0 = active low
1 = active high