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Initials of Pad diagram is same as below.
P - PAD
YA – Analog Input (connect to ADC input)
Y – Digital Input
IE – Input buffer enable
Condition
Input buffer enable
(IE = 1)
Input buffer disable
(IE = 0)
CS – CMOS/Schmitt trigger input buffer select
PU – Pull-up enable
A – Digital Output
OD – Open Drain
DS – Driving strength select
Condition
Capacitance
Driving Strength
loading
Low
(DS = 1)
High
(DS = 0)
PD – Pull-down enable
User can set pad condition with IE, CS, PU/PD, OD, DS by register.
And pads are can be controlled individually.
W7500x Reference Manual Version1.1.0
Output mode
Input mode
Output mode
Input mode
Rise/Fall Time (nSec)
Min
25pF
4
100pF
11
25pF
1
100pF
4
A
Y
OUT
OUT
No use
IN
OUT
Low (0)
No use
IN
Propagation Delay (nSec)
Max
Min
18
7
53
11
8
4
23
7
P
OUT
IN
OUT
IN
Max
27
44
16
24
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