看了661FX Datasheet 它最高只支援以下幾款Pixel

640x480 16/256/32K/64K/16M colors 85 Hz NI
800x600 16/256/32K/64K/16M colors 85 Hz NI
1024x768 256/32K/64K/16M colors 85 Hz NI
1280x1024 256/32K/64K/16M colors 85 Hz NI
1600x1200 256/32K/64K/16M colors 85Hz NI
1920x1440 256/32K/64K/16M colors 85Hz NI
2048x1536 256/32K/64K/16M colors 75Hz NI

1440x990 沒有