Protocol 7.00 – Serial and USB protocol used by post fx-9860G calculators¶
This protocol is used by calculators starting from the fx-9860G, published in 2004, up to the current day.
This protocol can be found over Serial transport and Serial transport over USB bulk. For serial links, serial settings are always the same at the beginning of the communication:
Speed: 9600 bauds;
Parity: none;
Stop bits: 2.
The active side can request from the passive side that the speed, parity and/or stop bits be changed at any point, using command 02 “Set link settings”, as described in Updating serial parameters.
Note
When setting the calculator as the initial active side using the
TRAN (Transmit) menu in the LINK application, it sets the
serial settings after initialization to the following settings:
Speed: 115200 bauds;
Parity: even;
Stop bits: 1.
See the following sections for more details regarding the protocol.