AN2757 Freescale Semiconductor / Motorola, AN2757 Datasheet - Page 35

• Manufacturer Part Number: AN2757
• Description: MPC5200 Quick Start
• Manufacturer: Freescale Semiconductor / Motorola

Graphical Configuration Tool
Figure 35. Fast Ethernet Controller Control Page (FEC)
6.6.16
ATA Hard Drive Controller (ATA)
ATA Interface of the MPC5200 enables connection of the standard ATAPI-4 hard drive to the MPC5200. Although the most of
the hard drive operations are performed in run-time (where GCT can not help), there are several timing control registers which
needs to be configured before accessing the ATA bus. GCT automatically calculates the timing parameters to be compliant with
the ATAPI-4 standard. The only input to the calculations is current MPC5200 peripheral bus (IPB) frequency so there are only
few options to be configured on the ATA control page. The timing parameters for all PIO, MDMA and UDMA modes are saved
to the “appconfig.h” file so the user does not need to calculate these values in run-time.
With the support of GCT-generated values, the MPC5200_Quick_Start ATA initialization code is capable to detect the ATA Hard
Drives and to initialize automatically the best timing parameters suitable for both drives (or single drive) connected.
AN2757 MPC5200 Quick Start and Graphical Configuration Tool
Freescale Semiconductor
35