Datasheet

L M K 0 4 8 1 6 E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S
SNLU107
49
uWire Header, Logic I/O Ports and Status LEDs
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
4 9MICROWIRE Interface
4/26/2012
LogicIO.SchDoc
Sheet Title:
Size: Schematic:
Mod. Date:
File:
Rev:
Sheet: of
B
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this
specification or any information contained therein. Texas Instruments and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit for
any particular purpose, or will operate in an implementation. Texas Instruments and/or its
licensors do not warrant that the design is production worthy. You should completely validate
and test your design implementation to confirm the system functionality for your application.
http://www.ti.com
Contact: http://www.national.com/support
LMK04816 Evaluation BoardProject:
Designed for: Evaluation Customer
870600769 1.0
Assembly Variant: LVPECL240 - 2011-07-26
© Texas Instruments CopyrightYear
Holdover_TP
TESTPOINT
100pF
C42
DNP
27k
R87
DNP
100pF
C43
DNP
0
R84
uWire Header and Level Translation
Lock Detect StatusHoldover StatusSYNC Level Translation
CLKin Select
270
R314
DNP
12
34
56
78
910
uWire
HEADER_2X5
15k
R315
27k
R316
DATAuWire_TP
TESTPOINT
27k
R313
15k
R312
CLKuWire_TP
TESTPOINT
27k
R322
LEuWire_TP
TESTPOINT
15k
R321
SYNC_TP
TESTPOINT
100pF
C309
DNP
LD_TP
TESTPOINT
0
R82
27k
R86
DNP
CLKIN0_SEL_TP
TESTPOINT
CLKIN1_SEL_TP
TESTPOINT
270
R79
DNP
27k
R319
27k
R320
15k
R317
15k
R318
SYNC
uWire_SYNC
Status_CLKin1 Status_CLKin0
uWire_Holdover
uWire_CLKin1_SEL
uWire_CLKin0_SELuWire_LD
Status_Hold
Status_LD
270
R83
270
R85
uWire_CLK
uWire_DATA
uWire_LE
uWire_Holdover
uWire_CLKin1_SEL uWire_CLKin0_SEL
27k
R325
15k
R324
uWire_SYNC
An external 3.3V zener diode and 2.2k is
used to prevent SYNC input from going low
when the uWire programming cable is
disconnected while the board is in operation.
1
2
CLKin1_SEL
142-0711-201
DNP
1
2
CLKin0_SEL
142-0711-201
DNP
1
2
SYNC
142-0711-201
DNP
1
2
Status_Hold
142-0711-201
DNP
1
2
Status_LD
142-0711-201
DNP
uWire_LD
VccAuxPlane
2.2k
R323
DNP
15k
R81 15k
R80
100pF
C307
DNP
100pF
C308
DNP
100pF
C306
DNP
CZRU52C3V3
D300
3.3V zenerDNP
D5
Green
D2
Red
D3
Red
D4
Red