ADV
ANCEINFORMA
TION
TMS320F28377S, TMS320F28376S, TMS320F28375S, TMS320F28374S
SPRS881A – AUGUST 2014 – REVISED JUNE 2015
Table 4-1. Signal Descriptions (continued)
TERMINAL
ZWT
PTP
PZP
I/O/Z
DESCRIPTION
MUX
NAME
BALL
PIN
PIN
POSITION
NO.
NO.
NO.
INTERNAL VOLTAGE REGULATOR CONTROL
Internal voltage regulator enable with internal pulldown.
VREGENZ
J18
119
64
I
The internal VREG is not supported and must be
disabled. Connect VREGENZ to V
DDIO
.
ANALOG, DIGITAL, AND I/O POWER
E9
16
16
E11
21
39
F9
61
45
F11
76
63
G14
117
71
G15
126
78
1.2-V digital logic power pins. TI recommends placing a
decoupling capacitor near each V
DD
pin with a minimum
J14
137
84
V
DD
total capacitance of approximately 20 uF. The exact
J15
153
89
value of the decoupling capacitance should be
determined by your system voltage regulation solution.
K5
158
95
K6
169
–
P10
–
–
P13
–
–
R10
–
–
R13
–
–
R11
72
41
3.3-V Flash power pin. Place a minimum 0.1-µF
V
DD3VFL
decoupling capacitor on each pin.
R12
–
–
P6
36
18
3.3-V analog power pins. Place a minimum 2.2-µF
V
DDA
decoupling capacitor on each pin.
R6
54
38
Copyright © 2014–2015, Texas Instruments Incorporated
Terminal Configuration and Functions
37
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