English
Language : 

CM2021 Datasheet, PDF (2/8 Pages) California Micro Devices Corp – HDMI Receiver Port Protection and Interface Device
CM2021
Note: This drawing is not to scale.
PACKAGE / PINOUT DIAGRAM
TOP VIEW
5V_SUPPLY
1
3.3V_SUPPLY
2
GND
3
TMDS_D2+
4
TMDS_GND
5
NC
6
TMDS_D1+
7
TMDS_GND
8
NC
9
TMDS_D0+
10
TMDS_GND
11
NC
12
TMDS_CK+
13
TMDS_GND
14
NC
15
CE_REMOTE_IN
16
DDC_CLK_IN
17
DDC_DAT_IN
18
HOTPLUG_DET_IN
19
38
NC
37
TMDS_BYP
36
GND
35
NC
34
TMDS_GND
33
TMDS_D2-
32
NC
31
TMDS_GND
30
TMDS_D1-
29
NC
28
TMDS_GND
27
TMDS_D0-
26
NC
25
TMDS_GND
24
TMDS_CK-
23
CE_REMOTE_OUT
22
DDC_CLK_OUT
21
DDC_DAT_OUT
20
HOTPLUG_DET_OUT
38-PIN TSSOP PACKAGE
PINS
37
4
33
7
30
10
27
13
24
16
23
17
22
18
21
19
20
2
1
6, 9, 12, 15, 26, 29,
32, 35, 38
3, 5, 8, 11, 14, 25,
28, 31, 34, 36
PIN DESCRIPTIONS
NAME
TMDS_BYP
TMDS_D2+
TMDS_D2-
TMDS_D1+
TMDS_D1-
TMDS_D0+
TMDS_D0-
TMDS_CK+
TMDS_CK-
CE_REMOTE_IN
CE_REMOTE_OUT
DDC_CLK_IN
DDC_CLK_OUT
DDC_DAT_IN
DDC_DAT_OUT
HOTPLUG_DET_IN
HOTPLUG_DET_OUT
3.3V_SUPPLY
5V_SUPPLY
NC
DESCRIPTION
This input pin is used to connect an optional external 0.1uF ceramic
bypass capacitor only to enhance the ESD protection level. Note: Do not
connect this pin to GND or any power rail.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
TMDS 0.9pF ESD protection.
3.3V_SUPPLY referenced logic level in.
5V_SUPPLY referenced logic level out plus 3.5pF ESD.
3.3V_SUPPLY referenced logic level in.
5V_SUPPLY referenced logic level out plus 3.5pF ESD.
3.3V_SUPPLY referenced logic level in.
5V_SUPPLY referenced logic level out plus 3.5pF ESD.
3.3V_SUPPLY referenced logic level in.
5V_SUPPLY referenced logic level out plus 3.5pF ESD.
Bias for CE / DDC / HOTPLUG level shifters.
Bias for CE / DDC / HOTPLUG level shifters plus current source for
5V_OUT.
No connect.
GND / TDMS_GND GND reference.
© 2005 California Micro Devices Corp. All rights reserved.
2 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com 03/22/05