PDP-427XD
189
5
6
7
8
5
6
7
8
C
D
F
A
B
E
2.1 Power supply/ground terminal
Acronyms
Terminal number
I/O
Level
Buffer type
PU/PD [k
Ω
]
Functions
AVDD1
138
–
–
–
Analog 1.5V power supply
Connect to the 1.5V power supply. Separate it
from the other terminals via a filter.
AVDD3
141
–
–
–
Analog 3.3V power supply
Connect to the 3.3V power supply. Separate it
from the other terminals via a filter.
155,156,167,168
–
–
–
Analog 3.3V power supply for ADC.
Connect to the 3.3V power supply. Separate it
from the other power lines via a filter.
AVDDA
61,64,67
–
–
–
Analog 3.3V power supply for DAC.
Connect to the 3.3V power supply. Separate it
from the other power lines via a filter.
AGND
143,144,145,175,176
–
–
–
Analog ground
AGNDA
58,63,66,69
–
–
–
Analog ground (for DAC)
DVDD1
16,23,27,32,39,48,
57,70,76,81,92,103,
115,125,133
–
–
–
Digital 1.5V power supply
Connect to the 1.5V power supply.
DVDD3
1,11,26,44,53,88,98,
109,120,132
–
–
–
Digital 3.3V power supply
Connect to the 3.3V power supply.
DGND
17,24,33,38,45,56,
80,89,93,104,114,
126
–
–
Digital ground
2.2 System reset terminal
Acronyms
Terminal number
I/O
Level
Buffer type
PU/PD [k
Ω
]
Functions
RSTB
74
I
Schmitt
–
System reset input (Active-Low)
–
Pin Function