PRELIMINARY
CM20LT-C
Application Information (SOURCE)
TMDS_D2+
NOTE 1
CM20LT-C
2
CEC_GPIO
{
10
9
8
7
6
HOTPLUG_DET
TMDS_D2+
TMDS_D2-
TMDS_GND
TMDS_D2-
TMDS_D1+
TMDS_D1+
TMDS_D1-
TMDS_GND
TMDS_D1-
TMDS_D0+
TMDS_D0+
TMDS_D0-
TMDS_GND
TMDS_D0-
TMDS_CK+
TMDS_GND
TMDS_CK-
CE_REMOTE
N/C
DDC_CLK
DDC_DAT
GND
+5V
HOTPLUG_DET
TMDS_CK+
TMDS_CK-
ASIC_SUPPLY/
ENABLE
ASIC_SCL2
2
ASIC_SDA
1
2
3
4
5
VIN_2
C
HP
100nF
R
PD1
5kΩ
HDMI
Source
Connector
C
VOUT
100nF
DDC_CLK
R
SCL
2kΩ
DDC_DAT
R
DAT
2kΩ
R
PD2
10kΩ
Figure 7. Typical Source Application for CM20LT-C
LAYOUT NOTES
Differential TMDS Pairs should be designed as
normal
100Ω
HDMI Microstrip, with CMD PicoGuard
CM1213-04MS/MRESD Protection or equivalent.
1
Level Shifter signals should be biased with a weak
pullup to the desired local VIN_1. If the local ASIC
includes sufficient pullups to register a logic high, then
external pullups may not be needed.
2
© 2006 California Micro Devices Corp. All rights reserved.
8
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
-
Tel: 408.263.3214
-
Fax: 408.263.7846
-
www.calmicro.com
4/18/2006
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
