SLLSFS0 April 2024 THVD4421
PRODUCTION DATA
MODE1 | MODE0 | Operating mode | Function |
---|---|---|---|
L | L | RS-232 loopback, charge pump is ON, V+/V- are regulated | L3 reflects on L2/R2/R3; L4 reflects on L1/R4/R1 |
L | H | RS-232 2T2R mode, charge pump is ON, V+/V- are regulated | 2T2R mode; L3, L4 are Logic inputs for RS232 driver; L1, L2 are Logic outputs |
H | L | RS-485 half duplex mode (charge pump is off) | L2 is RX Logic output; L3 is Driver Logic input; R1 R2 are Bus inverting and non-inverting terminals respectively |
H | H | RS-485 full duplex mode (charge pump is off) | R1R2 are inverting and non-inverting driver terminals; R3R4 are non-inverting and inverting receiver terminals. |