XR21V1410IL-0C-EB Exar Corporation, XR21V1410IL-0C-EB Datasheet - Page 3

• Manufacturer Part Number: XR21V1410IL-0C-EB
• Description: Interface Modules & Development Tools For XR21V1410 QFN16 USB, RS485;No Cables
• Manufacturer: Exar Corporation
• Series: -r

Specifications of XR21V1410IL-0C-EB

• Interface Type: RS-232, USB
• Operating Supply Voltage: 3.3 V
• Product: Interface Modules
• Silicon Core Number: XR21V1410
• Application Sub Type: UART
• Kit Contents: Board
• Main Purpose: Interface, USB 2.0 to UART
• Embedded: No
• Utilized Ic / Part: XR21V1410IL
• Primary Attributes: -
• Secondary Attributes: -
• Silicon Manufacturer: Exar
• Kit Application Type: Communication & Networking
• For Use With/related Products: XR21V1410
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REV. 1.0.0
N
in the evaluation board schematics, but has been added on the evaluation board. 2) An external pull-up is required on any
GPIO pins that is used as an input. In the suspend mode, the internal pull-up resistor is disabled and the input will be
floating if there is no external pull-up resistor. The external pull-ups have not been added to the GPIOs used as inputs on
this evaluation board.
Common jumpers are those jumpers which should be set the same for both RS-232 and RS-485 mode. The
Table 2
2.2
2.2.1
J
OTES
UMPERS
JP1
JP2
JP3
JP4
JP5
JP6
JP7
CON2
CON3
CON4
U
:1) An external pull-up is required on the LOWPOWER pin for proper functionality. The external pull-up is not shown
NIT
Jumper Settings
shows the common jumpers setting on the evaluation board:
Common jumpers
L
OCATION
Top
Top
Top
Top
Top
Top
Top
L
OCATION
Top
Top
Top
Power select
Selects RS-232 or RS-485 mode
External loopback or test header
SCL pull-up/pull-down select
SDA pull-up/pull-down select
Power supply for XR21V1410
I2C EEPROM header
T
ABLE
1: C
182-009-113R161
690-004-621-023
ED555/4DS
OMPONENTS
F
T
P
UNCTIONS
ABLE
ART
2: C
O
OMMON
F
T
USB B-Type connector. Communication with USB host (USBD+,
USBD-) and power source for evaluation board (V
RS-232 mode DB9 male connector.
RS-485 mode 4X1 terminal block.
HE
XR21V1410 EVALUATION BOARD USER’S MANUAL
3
XR21V1410 E
J
UMPERS
Jumper in 1&2 selects power from external power sup-
ply of 5V
Jumper in 2&3 selects power from USB V
Jumper in 1&2 selects RS-485 mode
Jumper in 2&3 selects RS-232 mode (default)
Jumper in 1&2 selects external loopback
Jumper in 1&2 selects pull-up resistor
Jumper in 2&3 selects pull-down resistor
Jumper in 1&2 selects pull-up resistor
Jumper in 2&3 selects pull-down resistor
Not installed. Trace between pin 1 & 2
Jumper in 1&2 connects SCL to I2C EEPROM
Jumper in 3&4 connects SDA to I2C EEROM
N
OTE
: I2C EEPROM has not been programmed
S
ETTINGS
VALUATION
F
UNCTION
C
B
OMMENTS
OARD
Bus
BUS
).
power