Datasheet

UCD3138RGC
(64 QFN)
1
AGND
2
AD13
3
AD12
4
AD10
5
AD07
6
AD06
7
AD04
8
AD03
9
V33DIO
10
/RESET
11
ADC_EXT_TRIG/TCAP/SYNC/PWM0
12
SCI_RX0
13
SCI_TX0
14
DGND
15
PMBUS_CLK/SCI_TX0
16
PMBUS_DATA/SCI_RX0
48
AGND
47
V33D
46
BP18
45
V33DIO
44
DGND
43
FAULT3
42
FAULT2
41
TCAP
40
TMS
39
TDI/SCI_RX0/PMBUS_CTRL/FAULT1
38
TDO/SCI_TX0/PMBUS_ALERT/FAULT0
37
TCK/TCAP/SYNC/PWM0
36
FAULT1
35
FAULT0
34
INT_EXT
33
DGND
32
PWM1
31
PWM0
30
SCI_RX1/PMBUS_CTRL
29
SCI_TX1/PMBUS_ALERT
28
PMBUS_CTRL
27
PMBUS_ALERT
26
SYNC/TCAP/ADC_EXT_TRIG/PWM0
25
DGND
24
DPWM3B
23
DPWM3A
22
DPWM2B
21
DPWM2A
20
DPWM1B
19
DPWM1A
18
DPWM0B
17
DPWM0A
64
AGND
63
EAP0
62
EAN0
61
EAP1
60
EAN1
59
EAP2
58
EAN2
57
AGND
56
V33A
55
AD00
54
AD01
53
AD02
52
AD05
51
AD08
50
AD09
49
AD11
UCD3138
SLUSAP2F –MARCH 2012 –REVISED NOVEMBER 2013 www.ti.com
2.5 UCD3138RGC 64 QFN – Pin Assignments
2.6 Pin Functions (UCD3138RGC 64 QFN)
Additional pin functionality is specified in the following table.
Table 2-1. Pin Functions
ALTERNATE ASSIGNMENT
CONFIGURABLE
PIN NAME PRIMARY ASSIGNMENT
AS A GPIO?
NO. 1 NO. 2 NO. 3
1 AGND Analog ground
2 AD13 12-bit ADC, Ch 13, comparator E, I-share DAC output
3 AD12 12-bit ADC, Ch 12
4 AD10 12-bit ADC, Ch 10
12-bit ADC, Ch 7, Connected to comparator F and
5 AD07 DAC output
reference to comparator G
6 AD06 12-bit ADC, Ch 6, Connected to comparator F DAC output
7 AD04 12-bit ADC, Ch 4, Connected to comparator D DAC output
8 AD03 12-bit ADC, Ch 3, Connected to comparator B and C
9 V33DIO Digital I/O 3.3V core supply
10 DGND Digital ground
11 RESET Device Reset Input, active low
12 ADC_EXT_TRIG ADC conversion external trigger input TCAP SYNC PWM0 Yes
13 SCI_RX0 SCI RX 0 Yes
14 SCI_TX0 SCI TX 0 Yes
15 PMBUS_CLK PMBUS Clock (Open Drain) SCI TX 0 Yes
16 PMBUS_DATA PMBus data (Open Drain) SCI RX 0 Yes
17 DPWM0A DPWM 0A output Yes
10 Overview Copyright © 2012–2013, Texas Instruments Incorporated
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