参数资料
型号: TVP5156PNPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP128
封装: GREEN, PLASTIC, HTQFP-128
文件页数: 46/108页
文件大小: 1395K
代理商: TVP5156PNPR
RESETB
(Terminal 3)
Reset
Normal operation
Invalid I C Cycle
2
Valid
260 s (min)
20 ms (min)
SLES243E
– JULY 2009 – REVISED MARCH 2011
3.12 Reset Mode
Terminal 3 (RESETB) is active low signal to hold the decoder into reset. Table 3-18 shows the
configuration of reset mode. Table 3-19 describes the status of the decoder signals during and
immediately after reset. Figure 3-22 shows the reset timing.
After power-up, the device will be in an unknown state until properly reset. An active low reset, Reset B, of
greater than or equal to 20 ms is required following active and stable supply ramp-up. To avoid potential
I2C issues, keep SCL and SDA inactive (high) for at least 260
s after reset goes high. There are no
power sequencing requirements except that all power supplies should become active and stable within
500 ms of each other.
Table 3-18. Reset Mode
RESETB
CONFIGURATION
0
Resets the decoder
1
Normal operation
Table 3-19. Reset Sequence
SIGNAL NAME
DURING RESET
RESET COMPLETED
DVO_A_[7:0], DVO_B_[7:0], DVO_C_[7:0], DVO_D_[7:0], OCLK_P, OCLK_N,
Input
High-impedance
INTREQ, I2CA[2:0], BCLK_R, LRCLK_R, SD_R, SD_M, SD_CO
RESETB, SDA, SCL, LRCLK_CI, BCLK_CI, SD_CI, XTAL_IN
Input
XTAL_OUT, OSC_OUT
Output
Figure 3-22. Reset Timing
42
Functional Description
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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