UCD3138064 Datasheet, PDF (10/91 Pages) Texas Instruments – UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB Program Flash Memory

UCD3138064
SLUSB72B – MARCH 2013 – REVISED SEPTEMBER 2014
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Table 4-2. Pin Functions - 48 VQFN (continued)
PIN
NUMBER
NAME
PRIMARY ASSIGNMENT
13
DPWM0A
DPWM 0A output
14
DPWM0B
DPWM 0B output
15
DPWM1A
DPWM 1A output
16
DPWM1B
DPWM 1B output
17
DPWM2A
DPWM 2A output
18
DPWM2B
DPWM 2B output
19
DPWM3A
DPWM 3A output
20
DPWM3B
DPWM 3B output
21
PMBUS_ALERT PMBus Alert (Open Drain)
22
PMBUS_CTRL PMBus Control (Open Drain)
23
SCI_TX1
SCI TX 1
24
SCI_RX1
SCI RX 1
25
FAULT0
External fault input 0
26
FAULT1
External fault input 1
27
TCK ⁽¹⁾
JTAG TCK (for manufacturer test only)
28
TDO⁽¹⁾
JTAG TDO (for manufacturer test only)
29
TDI⁽¹⁾
JTAG TDI (for manufacturer test only)
30
TMS⁽¹⁾
JTAG TMS (for manufacturer test only)
31
FAULT2
External fault input 2
32
DGND
Digital ground
33
V33D
Digital 3.3 V core supply
34
BP18
1.8V Bypass
35
AGND
Analog ground
36
AGND
Analog ground
37
EAP0
Channel #0, differential analog voltage, positive input
38
EAN0
Channel #0, differential analog voltage, negative input
39
EAP1
Channel #1, differential analog voltage, positive input
40
EAN1
Channel #1, differential analog voltage, negative input
41
EAP2
Channel #2, differential analog voltage, positive input
42
AGND
Analog ground
43
V33A
Analog 3.3 V supply
44
AD00
12-bit ADC, Ch 0, Connected to current source
45
AD01
12-bit ADC, Ch 1, Connected to current source
46
AD02
12-bit ADC, Ch 2, Connected to comparator A, I-share
47
AD05
12-bit ADC, Ch 5
48
AD08
AD08 12-bit ADC, Ch 8
NO. 1
ALTERNATE ASSIGNMENT
NO. 2
NO. 3
PMBUS_ALERT
PMBUS_CTRL
SPI_CS
SPI_CLK
TCAP
SCI TX0
SCI_RX0
I2C_DATA
I2C_CLK
SYNC
PMBUS_ALERT
PMBUS_CTRL
PWM0
FAULT0
FAULT1
(1) Fusion Digital Power based debug tools are recommended instead of JTAG.
NO. 4
SPI_MOSI
SPI_MISO
CONFIGURABLE
AS A GPIO?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Table 4-3. Pin Functions - 40 WQFN
NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
PIN
NAME
AGND
AD13
AD06
AD04
AD03
DGND
RESET
ADC_EXT_TRIG
PMBUS_CLK
PMBUS_DATA
DPWM0A
DPWM0B
DPWM1A
PRIMARY ASSIGNMENT
Analog ground
12-bit ADC, Ch 13, Connected to comparator E, I-share
12-bit ADC, Ch 6, Connected to comparator F
12-bit ADC, Ch 4, Connected to comparator D
12-bit ADC, Ch 3, Connected to comparator B & C
Digital ground
Device Reset Input, active low
ADC conversion external trigger input
PMBUS Clock (Open Drain)
PMBUS Data (Open Drain)
DPWM 0A output
DPWM 0B output
DPWM 1A output
ALTERNATE ASSIGNMENT
NO. 1
NO. 2
NO. 3
CONFIGURABLE
AS A GPIO?
TCAP
SYNC
PWM0
Yes
SCI_TX0
Yes
SCI_RX0
Yes
Yes
Yes
Yes
10
Pin Configuration and Functions
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