# MI_GetPhiClock

## C Specification

  `#include <nitro/mi.h>`
  `MIPhiClock MI_GetPhiClock( void );`

## Arguments

None.

## Return Values

PHI terminal output control settings.

## Description

This function acquires the PHI terminal output control settings.

The return value is in the `MIPhiClock` array format and has the following meanings:

`MI_PHI_CLOCK_LOW` | Low-level output
`MI_PHI_CLOCK_4MHZ` | 4.19MHz clock output
`MI_PHI_CLOCK_8MHZ` | 8.38MHz clock output
`MI_PHI_CLOCK_16MHZ` | 16.76MHz clock output

## Internal Operation

Accesses the `EXMEMCNT` I/O register `(0x4000204)`.

## See Also

`MI_SetPhiClock
`

## Revision History

12/18/2003 Initial version.

CONFIDENTIAL