SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 203
Version 1.1
17.9 SINGLE LCD FRAME FUNCTION
When LCDSFM = 0, LCD frame will continuously output until LCD is disabled. When LCDSFM = 1 and LCDEN = 1, LCD
will output single LCD frame and the FCIF is issued as LCD frame finished. LCDEN bit is cleared automatically and LCD
pin returns to GPIO mode (or idle status by LCDIDLE bit). To output next frame is to set LCDEN bit by program again.
SEG pin
LCDSFM=1 and LCDEN=1.
LCDEN=0 automatically.
The pin exchanges to last GPIO mode.
LCDEN=0.
LCDEN=0.
LCDSFM=1 and LCDEN=1.
COM pin
LCD frame 1
LCD frame 2
GPIO
GPIO
LCD frame 1
LCD frame 2
GPIO
GPIO
LCDEN=0 automatically.
The pin exchanges to last GPIO mode.
LCDF = 1
LCDSFM=1 and LCDEN=1.
LCDSFM=1 and LCDEN=1.
Single LCD frame
Single LCD frame
Note: If LCDIDLE =1, the COM pins will be controlled to Idle status when LCDEN=0, the Idle status is V1
or VDD controlled by LSTC bit.