73S1209F Data Sheet
DS_1209F_004
Pin Name
Description
VDD
N/C
28
42
65
18
27
44
I
General positive power supply pins. All digital IO is
referred to this supply voltage. There is an on-chip
regulator that uses VDD to provide power for internal
circuits (VPD). A 0.1μF capacitor is recommended at
each VDD pin.
2
4
7
16
17
29
8
No connect.
26
27
39
46
GND
9
25
44
7
15
GND
I
General ground supply pins for all IO and logic circuits.
RESET
66
1
Figure 31 Reset input, positive assertion. Resets logic and
registers to default condition.
* See the figures in the Equivalent Circuits section.
10
Rev. 1.2