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General-Use Features
4.2
EVM Test Jumpers
The EVM is equipped with shunts on the jumper positions identified in the Default Pin Position shown in
the following table. Shunts can be moved and removed as required during use.
Jumper
J2
Default Pin
Position
1-2
Label
LDO 3.3V
Description
LDO 3.3V. Install for complete EVM operation. Remove to allow power access to
only the sequencer device.
J23
J24
J9
J14
J13
J7
J3
J8
J4
J25
1-2
1-2
1-2
1-2
1-2,7-8
1-2
SCL
SDA
GPI1
GPI2
PM ADDR
TCK
TDI
TDO
TMS
LEDEN
EEPROM SCL. For EVM manufacturing only.
EEPROM SDA. For EVM manufacturing only.
General-purpose input #1. Install shunt to allow status LED operation.
General-purpose input #2. Install shunt to allow status LED operation.
PMBus address (default to 101). Remove shunts for JTAG operation at address 126.
JTAG TCK. Install shunt when JTAG operation is desired.
JTAG TDI. Install shunt when JTAG operation is desired.
JTAG TDO. Install shunt when JTAG operation is desired.
JTAG TMS. Install shunt when JTAG operation is desired.
Status LED enable. Install to enable non-PWM GPIO status LEDs. Remove to
disable status LED loading on the GPIOs.
J26
1-2, 3-4, 5-6, 7-8,
9-10, 11-12,
LEDEN
Status LED enable for FPWMs (GPIO5-GPIO12). Install to enable FPWM GPIO
status LEDs. Remove to disable status LED loading on the FPWM GPIOs.
13-14, 15-16
4.3
J15
J16
EVM Test Points
GPIO14/TX
GPIO15/RX
Debug port TX (used for debug)
Debug port RX (not used during debug)
TP
TP2
TP1
TP5
TP6
TP3
TP4
TP7
TP8
TP9
TP10
TP11
TP12
Color
WHT
WHT
WHT
ORG
WHT
WHT
SM-SLV
SM-SLV
SM-SLV
SM-SLV
SM-SLV
SM-SLV
Label
LDO 3.3V
V33D
ADDR0
ADDR1
RIN
TOUT
GND
GND
GND
GND
GND
GND
Description
LDO 3.3V. EVM 3.3V
V33D. Sequencer 3.3V.
ADDRSENS0. EVM PMBus address.
ADDRSENS1. EVM PMBus address.
Receive input from terminal device.
Transmit output to terminal device.
Surface mount GND
Surface mount GND
Surface mount GND (bottom)
Surface mount GND
Surface mount GND
Surface mount GND (bottom)
SLVU464 – July 2011
Submit Documentation Feedback
UCD90SEQ48EVM-560: — 48-Pin Sequencer Development Board
Copyright ? 2011, Texas Instruments Incorporated
7
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