Spain have impressed throughout the tournament with their ability to dominate the ball, press high up the pitch and dictate the tempo of matches. But Deschamps said France also need possession if they are to reach a third consecutive World Cup final.
"Spain can apply a lot of pressure, but we are also a team who need the ball," Deschamps told reporters. "There will be a battle for control."
France have the pace to threaten Spain on the counter-attack, but midfielder Warren Zaire-Emery said the team have more than one way to approach the contest.
"Spain have great quality on the ball," he said. "We have the qualities to attack quickly on the counter, to keep possession ourselves and to defend well.
"The course of the game will dictate things. I cannot say now exactly how the match will unfold."
France have been boosted by the return of Aurelien Tchouameni, who is available again after missing the victories over Paraguay and Morocco with a hamstring injury.
The Real Madrid midfielder last played in the 3-0 Round of 32 win over Sweden and Deschamps said the decision to leave him out of the previous match was purely precautionary.
"For the last match, the risk was too high," Deschamps said. "He is better today, although we cannot say he is 100 per cent recovered.
"His last game was two weeks ago, but that is not prohibitive. The important thing is that he is available."
Tchouameni's return gives France an experienced defensive midfielder capable of breaking up attacks and helping his side play through Spain's relentless press.
Deschamps could also stick with the midfield combination of Manu Kone and Adrien Rabiot, who impressed in the quarter-final win over Morocco, while Zaire-Emery remains another option in what is expected to be a crucial area of the pitch.
Defender Jules Kounde also believes France must enjoy spells of possession themselves to stop Spain from settling into their usual rhythm.
Spain have won the last two meetings between the nations, knocking France out of the Euro 2024 semi-finals before beating them again in the 2025 Nations League semi-finals.
However, Deschamps believes those results will have little bearing on Tuesday's encounter.
"There are no particular lessons," he said. "There was one truth in those matches, with the players who were present on both sides at that time.
"The players are different now and they are not necessarily at the same level of form.
"Spain won those two matches, so congratulations to them, but what interests me is tomorrow's game."
The France boss said adapting to different opponents has been key to his team's success over recent years.
"When you are a coach, the key word is adaptation," Deschamps said.
"Football is not an exact science, but preparation and planning are always important, right down to the smallest detail."
France will again look to tournament top scorer Kylian Mbappe to provide the attacking spark, despite the forward carrying a minor ankle injury.
