Proof of concept
Multi Instance mode - Arduino NANO , ILI9163C (yellow pin), ILI9163C (black pin)
For this setup I had to use an HCF4050 as level converter and following pin used:
| Display side | NANO pin (or different) |
| CS1 | 10 (trough HCF4050) |
| A0(1) | 9 (trough HCF4050) |
| CS2 | 6 (trough HCF4050) |
| A0(2) | 8 (trough HCF4050) |
| rst1 | 10K to +3v3 |
| rst2 | 10K to +3v3 |
| sck1 | 13 (sclk) (trough HCF4050) |
| sck2 | 13 (sclk) (trough HCF4050) |
| sda1 | 11 (mosi) (trough HCF4050) |
| sda2 | 11 (mosi) (trough HCF4050) |
| led (1 & 2) | 100R to +5V |
| gnd | gnd |
| vcc | +5V |
Paerdon the horrible and messy soldering, it was quickly assembled only for tests!
benchmark_version2.ino
| 1.0p7 - Arduino NANO, double display | ||
| Code size optimization: ON | ||
| Test | Yellow Pin (microSecs) | Black Pin (microSecs) |
| Screen(F) | 46396 | 46388 |
| Screen2(F) | 60992 | 60996 |
| Text | 29100 | 29096 |
| Lines | 493432 | 493444 |
| Lines2 | 30132 | 30132 |
| Rectangles | 39768 | 39768 |
| Rectangles(F) | 772476 | 772500 |
| Circles(F) | 905624 | 905576 |
| Circles | 1010340 | 1010236 |
| Triangles(F) | 284252 | 284240 |
| Triangles | 331976 | 331904 |