PCI Bridge
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
9-58 Freescale Semiconductor
9.11.2.21 PCI Bus MAX LAT

Figure 9-53 and Table9-40 describe the PCI bus MAX LAT register.

Figure 9-53. PCI Bus MAX LAT

9.11.2.22 PCI Bus Function Register

The PCI bus function register, shown in Figure 9-54, is used to determine the configuration of the PCI bus

interface.

Figure 9-54. PCI Bus Func tion Register

Table9-41. describes PCI bus function register fields.

Table9-39. PCI B us MIN GNT Description

Bits Name Description
7–0 MIN GNT Specifies the length of the device’s burst period. The value 0x00 indicates that
the PCI bridge has no major requirements for the settings of latency timers.
7 0
Field MAX LAT
Reset 0000_0000
R/W R
Addr 0x3F

Table9-40. PCI Bus MAX LAT Description

Bits Name Description
7–0 MAX LAT Specifies how often the device needs to gain access to the PCI bus. The value
0x00 indicates that the PCI bridge has no major requirements for the settings of
latency timers.
15 6 5 4 3 2 1 0
Field CFG_LOCK —
TRGT_
LATENCY_DIS
MSTR_
LATENCY_DIS
PCI_HA
Reset 0000_0000_0010_0000
R/W R/W R
Addr 0x44