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參數(shù)資料
| 型號： | CM2031-A0TR |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC HDMI RX PORT P/I 38-TSSOP |
| 標準包裝： | 1 |
| 系列： | * |
| 類型： | * |
| 應用： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-TFSOP （0.173"，4.40mm 寬）裸露焊盤 |
| 供應商設備封裝： | 38-TSSOP |
| 包裝： | 標準包裝 |
| 其它名稱： | CM2031-A0TROSDKR |
CM2031
http://onsemi.com
7
connect HOTPLUG_DET_OUT to the HDMI Connector
(Pin 19) and tie HOTPLUG_DET_IN to the “LV_SUPPLY”
which can be 1.5 V, 1.8 V, 2.5 V, etc. Then the internal 1 k
W
pullup will be enabled between HOTPLUG_DET_OUT and
5V_SUPPLY.
If a weak pullup is used on HOTPLUG_DET _IN, then
this still allows dynamic switching by the local ASIC while
still retaining the isolation/backdrive protection on this pin.
Active Local Pullup Control
For a system where a low voltage GPIO signal needs to
control the HOTPLUG pin (i.e. if the local system needs to
boot up before asserting HOTPLUG) the ASIC GPIO can be
connected directly to the HOTPLUG_DET_IN pin to
control the 5 V pullup “on” and “off.” A logic “l(fā)ow” on
HOTPLUG_DET_IN will disable the 5 V pullup, and a logic
“high” will enable the pullup.
NOTE: If the ASIC PowerON Reset {POR} default of
the GPIO is highimpedance or defaults to an
input, then the designer should include a weak
pulldown on the GPIO to eliminate any POR
glitches.
Figure 8. Simplified CM2031 HPD Circuit
ASIC
GPIO
1 kW
HOTPLUG_OUT
5V_SUPPLY
CM2031
SPECIFICATIONS
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Units
VCC5, VCCLV
6.0
V
DC Voltage at any Channel Input
[GND 0.5] to [VCC + 0.5]
V
Storage Temperature Range
65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 3. STANDARD (RECOMMENDED) OPERATING CONDITIONS
Symbol
Parameter
Min
Typ
Max
Units
5V_SUPPLY Operating Supply Voltage
5.0
5.5
V
LV_SUPPLY Bias Supply Voltage
1.0
3.3
5.5
V
CE_SUPPLY Bias Supply Voltage
3.0
3.3
3.6
V
Operating Temperature Range
–40
85
°C
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