# Clocking.HBus.SClockSpeed

Specifies the speed (in MHz) of the driven Sclock in configurations where a board acts as primary clock master.

For information about setting up CT bus clocking, and rules and restrictions for configuring CT bus clocking, refer to Configuring board clocking.

#### Syntax

Clocking.HBus.SClockSpeed = argument

#### Access

Read/Write

#### Type

String

#### Default

2M

#### Allowed values

2M | 4M | 8M

#### Example

Clocking.HBus.SClockSpeed = 2M

#### See also

Clocking.HBus.Segment