參數(shù)資料
型號(hào)： TDA19977BHV/15/C1
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-026, SOT612-3, HLQFP-144
文件頁數(shù)： 9/40頁
文件大?。?/td> 181K
代理商： TDA19977BHV/15/C1
TDA19977A_TDA19977B_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 7 August 2008
17 of 40
NXP Semiconductors
TDA19977A; TDA19977B
Triple input HDMI receiver interface with digital processing
8.25.2 EDID memory shared over two HDMI inputs
9.
I2C-bus protocol
The TDA19977A; TDA19977B is a slave I2C-bus device and the SCL pin is only an input
pin. The timing and protocol for I2C-bus are standard.
Bit A0 of the I2C-bus device address is externally selected by the A0 pin. The main device
I2C-bus address is given in Table 7.
10. Limiting values
(1) 253 bytes
+ 3 bytes input B
+ 3 bytes input C
+ 1 byte address pointer (subPhys@): this indicates the address in each block where the data for
inputs B and C will be copied.
Fig 4.
An example of an application with EDID memory shared over two HDMI inputs
001aai384
EDID: 253 B
EXTERNAL EDID:
256 B or 512 B
DVI or
HDMI
INPUT
I2C-bus
CPU
FLASH(1)
EDID CONTENT
TDA19977
3 B
HDMI
INPUT
3 B
HDMI
INPUT
Table 7.
I2C-bus slave address
A6
A5
A4
A3
A2
A1
A0
R/W
1
0
1
0
A0
0/1
Table 8.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VDDx(3V3)
supply voltage on all 3.3 V
pins
0.5
+4.6
V
VDDx(1V8)
supply voltage on all 1.8 V
pins
0.5
+2.5
V
VDD
supply voltage difference
0.5
+0.5
V
IO
output current
-
35
mA
Tstg
storage temperature
55
+150
°C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA19978A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad HDMI 1.3a receiver interface with equalizer (HDTV up to 1080p, up to UXGA for PC formats)
TDA19978AHV 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad HDMI 1.3a receiver interface with equalizer (HDTV up to 1080p, up to UXGA for PC formats)
TDA19978AHV/15,518 功能描述:視頻 IC IC SMART CARD INTF RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TDA19978AHV/15,551 制造商:NXP Semiconductors 功能描述:TDA19978AHV/HLQFP144/TRAYBDP//15/C182 - Trays
TDA19978AHV/15,557 功能描述:視頻 IC IC SMART CARD INTF RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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