参数资料
型号: TDA9989ET
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA64
封装: 4.50 X 4.50 MM, 0.80 MM HEIGHT, PLASTIC, SOT-962-3, TFBGA-64
文件页数: 32/48页
文件大小: 226K
代理商: TDA9989ET
TDA9989_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 11 June 2009
38 of 48
NXP Semiconductors
TDA9989
HDMI 1.3a transmitter with CEC support
14. Application information
14.1 Transmitter connection with external world
Figure 20, Figure 21 and Figure 22 refer to a simple receiver application. However, the
TDA9989 can be part of a repeater application as described in
“HDMI 1.3a specication”.
Fig 19. Set-up and hold time denition diagram for double-edge clock mode
VCLK
VPA[7:0]
VPB[7:0]
VPC[7:0]
DE, HSYNC, VSYNC
tsu(D)
th(D)
tsu(D)
th(D)
001aah036
data is not allowed to change in this period
data can change to meet the minimum set-up and hold time requirement
Fig 20. Connecting TDA9989 transmitter using external oscillator for CEC
001aai454
I2C-BUS
SLAVE
TDA9989
DDC
MASTER
HDMI
RECEIVER/
REPEATER
DDC channel
slave
CEC
TMDS clock
TMDS channel 2
TMDS channel 1
TMDS channel 0
MAIN
PROCESSOR
MASTER
TRANSMITTER SIDE
DOWNSTREAM SIDE
video 24-bit
I2C-bus
audio
sync
OSC_OUT
HPD
OSC_IN
CEC
OSCILLATOR
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