SCAN90CP02
2x2 LVDS Cross-point Switch
Evaluation Kit
(RoHS Compliant)
Documentation
Rev2.3
November 07, 2006
Introduction
National Semiconductor’s System Test Access Products Group provides this evaluation kit of
the SCAN90CP02 to help demonstrate the use and performance of the device.
The user must supply 3.3-volt power to the Evaluation board. The user also must provide the
proper LVDS signal levels to the inputs of the device using a signal generator.
Overview
This Evaluation board uses two SCAN90CP02 devices. Device U1 uses SMA connectors for
both the non-inverting and inverting differential input and output signals for each channel (total
of 8 SMA connectors for U1). This enables the use of high speed signals for evaluating the
performance of the LVDS signal path. Inputs are terminated with 100Ω.
Device U2 may be used for both high speed LVDS evaluations and IEEE 1149.6 evaluations.
Channel 0 of device U2 uses CAT5 connectors for the input and output signals to allow the use
of “lossy” or inexpensive CAT5 cables as the interconnect medium. Inputs are terminated with
100Ω.
Channel 1 of device U2 is used primarily for IEEE 1149.6 evaluations. The output of Channel 1
is looped back to the inputs of Channel 1 through a fault network. Thus, the fault network may
be exercised while monitoring the effects through the IEEE 1149.1 port at J1. Switches S1 thru
S5 are used to insert faults for evaluating the IEEE 1149.6 features (refer to the table 2 and
figure 2 below).
Additionally, U2 may be configured as a switch, and a high speed signal may be passed thru the
fault network. This enables the evaluation of interconnect faults on the LVDS signal integrity.
Switches S6 thru S11 are used as control inputs for both U1 and U2. Switches are provided for
the SELx inputs, for the Enable inputs, and the PEMxx inputs to define the output pre-emphasis
levels (refer to table 1 and figure 1 below).
For more details, refer to the attached schematic and the SCAN90CP02 datasheet.
Table 1: Control Switch Functions (applies to both U1 and U2)
Silkscreen
S11 DISABLE 0
S8 DISABLE 1
J7
S10 Sel0
S9 Sel1
Connections
U1, U2 EN0*
U1 EN1*
U2 EN1*
U1, U2 Sel0
U1, U2 Sel1
S7 PEMX0
S6 PEMX1
U1, U2 PEM00-PEM10
U1, U2 PEM01-PEM11
Notes
Up position disables channel 0 on both devices.
Up position disables channel 1 on U1.
Open position disables channel 1 on U2.
Configures both U1 and U2 functionality.
Up = 1 down = 0
See datasheet for function table.
Configures pre-emphasis feature on both devices and both
channels.
Up =1 Down = 0
See datasheet for function table.
Figure 1: U1 Block Diagram
Figure 2: U2 Block Diagram
Table 2: IEEE-1149.1 and IEEE-1149.6 (applies only to U2)
Silkscreen
J1 1149.6
Function
IEEE 1149.1 test bus
access to 1149.6 features
S1
S2
S3
S4
S5
Short C1
Short C2
Open
Open
Open Termination Resistor
Notes
U1 is the first device in the scan chain; U2 is the last device in
the scan chain. TDO, TMS, TCK, /TRST (out) are from the test
system to the device/chain under test. TDI (in) is from the
device/chain under test to the test system.
Up position to short coupling capacitor.
Up position to short coupling capacitor.
Down position to create open circuit.
Down position to create open circuit at termination resistor.
Down position to create open circuit.
Note: This document is considered uncontrolled unless stamped otherwise.
ENERCON -
BILL OF MATERIALS
TITLE:
Main Product:
NATIONAL SEMICONDUCTOR
PCBA, SCAN90CP02EVK EVAL, ROHS
PCBA, JTAG SCANCP02 EVAL, ROHS
Item Part Type
1 PCB
Part Number/Value
Mfg
P-05399R0
NoSub
Description
PL Number:
Rev: Rev By:
Z3015-01 2
AF
Rev Date:
PL Status:
10/26/2006
Released
Responsible Eng/Mgr:
Creator:
Creation Date:
Ed Ballou
Arlene Fox
10/2/2006
Qty
SCAN09CP02 EVAL ROHS: 3.50x3.50x.062in,
4 layer
1
Ref Des
SMT
Notes
Rev
Bd: (88.90x
88.90mm) Panel:
(5.50x10.50in)
(139.70x
266.70mm) 3
bds/panel
0
CUSTOMER
SUPPLIED
1
2
3 IC
SCAN90CP02SP
NAT
1.5 GBPS LVDS Crosspoint Switch, LLP28
2
X
U1-2
ERJ-3EKF3321
PANA
3.32K 1/10W ±1% 0603, Pb-Free
1
X
R5
0
CRCW06033K32FKEA
VISHAY
3.32K 1/10W ±1% 0603 100ppm, Pb-Free
RK73H1JTTD3321F
KOA
3.32K 1/10W ±1% 0603 100ppm, Pb-Free
ERJ-3EKF49R9V
PANA
49.9 Ohm 1/10W ±1% 0603 100ppm, Pb-Free
2
X
R3,4
0
CRCW060349R9FKEA
VISHAY
49.9 Ohm 1/10W ±1% 0603 100ppm
RK73H1JTTD49R9F
KOA
49.9 Ohm 1/10W ±1% 0603 100ppm, Pb-Free
ERJ-2RKF1000
PANA
100 Ohm 1/16W ±1% 0402 100ppm, Pb-Free
3
X
R1,2,6
2
ERJ-S02F1000
PANA
100 Ohm 1/16W ±1% 0402 200ppm, Pb-Free
06035A102KAT
AVX
1000pF, 50V, ±10%, 0603, Ceramic, NP0,
Pb-Free
3
X
C1-2,4
0
C0603C102J5GAC
KEMET
1000pF, 50V, ±5%, 0603, Ceramic, NP0,
Pb-Free
06035C103KAT
AVX
.01µF, 50V, ±10%, 0603, Ceramic, X7R,
Pb-Free
11
X
C3,11-14,16,2123,25-26
Mount On Bottom
C1114,16,21,22,23,2
5,26
0
C0603C103K5RAC
KEMET
.01µF, 50V, ±10%, 0603, Ceramic, X7R,
Pb-Free
0603YC104KAT
AVX
.1µF, 16V, ±10%, 0603, Ceramic, X7R, PbFree
11
X
C5,8-10,15,1720,24,27
Mount on Bottom
C8-10,15,1720,24,27
0
4
5 RES
6 RES
7 RES
8
9 CAP
10 CAP
11 CAP
3:35:53 PM, 11/7/2006
Confidential and Proprietary. This document is considered uncontrolled unless stamped otherwise.
Page
1 of 3
ENERCON -
BILL OF MATERIALS
TITLE:
Main Product:
NATIONAL SEMICONDUCTOR
PCBA, SCAN90CP02EVK EVAL, ROHS
PCBA, JTAG SCANCP02 EVAL, ROHS
Item Part Type
Part Number/Value
Mfg
NoSub
Description
PL Number:
Rev: Rev By:
Z3015-01 2
AF
Rev Date:
PL Status:
10/26/2006
Released
Responsible Eng/Mgr:
Creator:
Creation Date:
Ed Ballou
Arlene Fox
10/2/2006
Qty
Ref Des
SMT
Notes
Rev
C0603C104K4RAC
KEMET
.1µF, 16V, ±10%, 0603, Ceramic, X7R, PbFree
TAJB106M010
AVX
10µF, 10V, ±20%, B-Case, Tantalum, PbFree
T491B106K010AT
KEMET
10µF, 10V, ±10%, B-Case, Tantalum, PbFree
EG1249
ESWITCH
Slide, SPDT, Pb-Free
16 CONN
5103309-1
AMP
Header, 10p, Male, Dual Row, .100"sp,
Pb-Free
1
J1
0
17 CONN
142-0711-821
JOH
SMA, 50 0hm, End Launch, Pb-Free
8
J3-6,12-15
0
18 CONN
2560SU00001
LEOCO
Shunt, .100"sp, Pb-Free
1
J7
0
71363-202LF
FCI
Shunt, .100"sp, Gold, Pb-Free
SNT-100-BK-G
SAMTEC
Shunt, .100"sp, Gold, Pb-Free
SNT-100-BK-H
SAMTEC
Shunt, .100"sp, Gold, Pb-Free
19 CONN
7006
KEYSTONE
Binding Post, Red, Pb-Free
1
J10
0
20 CONN
7007
KEYSTONE
Binding Post, Black, Pb-Free
1
J11
0
21 CONN
85505-0013
MOLEX
Telco, 8p, R/A, Shielded, CAT5, Pb-Free
2
J8-9
0
22 CONN
TSW-101-07-G-S
SAMTEC
Header, 1p, Male, Gold, Pb-Free
1
TP1
0
23 CONN
TSW-102-07-G-S
SAMTEC
Header, 2p, Male, .100"sp, Gold, Pb-Free
1
J7
0
25 HDWRE
0700440LN
MP
Hex Nut, 4-40 Nylon Locking. Pb Free
4
26 HDWRE
36440MF075
MP
Standoff, Male/Female, Hex, 440x3/16,
Nylon, Pb Fr
4
Mount On Bottom
0
27 HDWRE
6INTLKWSSSROHS
ANY
Washer, #6 Internal Tooth, SS, ROHS
2
Use With Binding
Posts
0
12 CAP
2
X
C6-7
0
13
14 SW
11
S1-11
Remove Mounting
Tabs Prior to
Assembly
0
15
24
0
28
3:35:53 PM, 11/7/2006
Confidential and Proprietary. This document is considered uncontrolled unless stamped otherwise.
Page
2 of 3
ENERCON -
BILL OF MATERIALS
TITLE:
Main Product:
NATIONAL SEMICONDUCTOR
PCBA, SCAN90CP02EVK EVAL, ROHS
PCBA, JTAG SCANCP02 EVAL, ROHS
Item Part Type
Part Number/Value
Mfg
NoSub
Description
PL Number:
Rev: Rev By:
Z3015-01 2
AF
Rev Date:
PL Status:
10/26/2006
Released
Responsible Eng/Mgr:
Creator:
Creation Date:
Ed Ballou
Arlene Fox
10/2/2006
Qty
SMT
Ref Des
Notes
Rev
29 STENCL
T-05401R0
ENERCON
STENCIL FABRICATION, CP02 EVAL BOARD,
ROHS, TOP
30 STENCL
T-05404R0
ENERCON
STENCIL FABRICATION, CP02 EVAL BOARD,
ROHS, BOTTOM
1
31 REF
C-05406R0
ENERCON
PALLET DWG, CP02 EVAL BOARD, ROHS
0
32 REF
C-05400R0
ENERCON
FABRICATION DWG, CP02 EVAL BOARD, ROHS
0
33 REF
S-03832R3
ENERCON
SCHEMATIC, SCAN90CP02 EVAL BOARD
0
1
1
34
3:35:53 PM, 11/7/2006
Confidential and Proprietary. This document is considered uncontrolled unless stamped otherwise.
Page
3 of 3
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