PRELIMINARY
CM20LT
Application Information (SINK)
TMDS_D2+
NOTE 1
{
8
7
6
5
EEPROM_SUPPLY
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+
ASIC_SUPPLY/
ENABLE
2
ASIC_SCL
ASIC_SDA
2
CM20LT
1
2
3
4
TMDS_CK+
TMDS_CK-
TMDS_GND
TMDS_CK-
CE_REMOTE
N/C
DDC_CLK
DDC_DAT
GND
+5V
HOTPLUG_DET
5V_HDMI
R
PU
1kΩ
HDMI
Sink
Connector
C
HP
100nF
HOTPLUG_DET
EEPROM_DAT
EEPROM_CLK
R
SCL
47k
R
DAT
N/A
C
VOUT
100nF
Figure 4. Typical Sink Application for CM20LT
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 ]
