
ST7735R
V0.2
64
2009-08-05
9.12 Tearing Effect Output Line
The Tearing Effect output line supplies to the MPU a Panel synchronization signal. This signal can be enabled or disabled
by the Tearing Effect Line Off & On commands. The mode of the Tearing Effect signal is defined by the parameter of the
Tearing Effect Line On command. The signal can be used by the MPU to synchronize Frame Memory Writing when
displaying video images.
9.12.1 Tearing Effect Line Modes
Mode 1, the Tearing Effect Output signal consists of V-Blanking Information only:
tvdh= The LCD display is not updated from the Frame Memory
tvdl= The LCD display is updated from the Frame Memory (except Invisible Line – see above)
Mode 2, the Tearing Effect Output signal consists of V-Blanking and H-Blanking Information, there is one V-sync and 162
H-sync pulses per field.
thdh= The LCD display is not updated from the Frame Memory
thdl= The LCD display is updated from the Frame Memory (except Invisible Line – see above)
Note: During Sleep In Mode, the Tearing Output Pin is active Low.
Summary of Contents for ST7735R
Page 92: ...ST7735R V0 2 92 2009 08 05 Flow Chart ...
Page 103: ...ST7735R V0 2 103 2009 08 05 Flow Chart ...
Page 110: ...ST7735R V0 2 110 2009 08 05 Flow Chart ...
Page 133: ...ST7735R V0 2 133 2009 08 05 Flow Chart ...
Page 135: ...ST7735R V0 2 135 2009 08 05 Flow Chart ...
Page 137: ...ST7735R V0 2 137 2009 08 05 Flow Chart ...
Page 141: ...ST7735R V0 2 141 2009 08 05 Flow Chart ...