參數(shù)資料
型號(hào): TLC34076M-135
廠商: Texas Instruments, Inc.
英文描述: Color-Palette(135MHz,與TLC34075兼容,另具24位和16位真彩色模式)
中文描述: 顏色調(diào)色板(135MHz,與TLC34075兼容,另具24位和16位真彩色模式)
文件頁(yè)數(shù): 39/57頁(yè)
文件大?。?/td> 456K
代理商: TLC34076M-135
2–23
Table 2–12. Test-Register-Bit Definitions for Analog Test
BIT DEFINITION
READ/WRITE
D7: Red select
R/W
D6: Green select
R/W
D5: Blue select
R/W
D4: 145-mV reference select
R/W
D3: Result
R
Table 2–13. D<7:4> Bit Coding for Analog Comparisons
D<7:4>
OPERATION
IF D3 = 1
IF D3 = 0
0000
Normal operation
Don’t care
Don’t care
1010
Red DAC compared to blue DAC
Red > blue
Red < blue
1001
Red DAC compared to 145-mV reference
Red > 145 mV
Red < 145 mV
0110
Green DAC compared to blue DAC
Green > blue
Green < blue
0101
Green DAC compared to 145-mV reference
NOTE: All the outputs have to be terminated to compare the voltage.
Green > 145 mV
Green < 145 mV
+
IOR or IOG
IOB or 145 mV
BLANK
(internal signal)
D
C
D3
Q
Figure 2–12. Internal Comparator Circuitry for Analog Test
The result of the analog comparison is strobed into D3 at the falling edge of an internal signal derived from
the BLANK. In order to have stable inputs to the comparator, the DAC should be set to a constant level
between syncs. For normal operation, data flow check, and screen integrity test, D<7:4> must be set to zero.
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