ST7735
9.11.2 Tearing Effect Line Timings
The Tearing Effect signal is described below:
Table 9.11.1 AC characteristics of Tearing Effect Signal Idle Mode Off (Frame Rate = 60 Hz, Ta=25°C)
Symbol
tvdl
Parameter
min
13
max
unit
ms
ꢂs
description
Vertical Timing Low Duration
Vertical Timing High Duration
Horizontal Timing Low Duration
Horizontal Timing Low Duration
-
tvdh
thdl
1000
33
-
-
ꢂs
thdh
25
500
ꢂs
Note: The timings in Table 9.10.1 apply when MADCTL ML=0 and ML=1
The signal’s rise and fall times (tf, tr) are stipulated to be equal to or less than 15ns.
The Tearing Effect Output Line is fed back to the MPU and should be used as shown below to avoid Tearing Effect:
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2009-12-04
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