Motorola MTX series Programmer's Reference Guide

2-44 Computer Group Literature Center Web Site
Raven PCI Host Bridge & Multi-Processor Interrupt Controller
2
PCI Slave Attribute/ Offset (0,1,2 and 3) Registers
INV Invalidate Enable. If set, the PPC master will issue a transfer type
code which specifies the current transaction should cause an invalidate for
each PC transaction originated by the corresponding PCI slave. The
transfer type codes generated are shown in Table 2-3.
GBL Global Enable. If set, the PPC master will assert the GBL* pin for
each PPC transaction originated by the corresponding PCI slave.
TDIS Threshold Disable. If set, the PPC master FIFO threshold
mechanism is disabled. See the section titled PPC Master for more
information on the relationship between TDIS and RAEN.
RAEN Read Ahead Enable. If set, read ahead is enabled for the
corresponding PCI slave.
WPEN Write Post Enable. If set, write posting is enabled for the
corresponding PCI slave.
WEN Write Enable. If set, the corresponding PCI slave is enabled for
write transactions.
REN Read Enable. If set, the corresponding PCI slave is enabled for read
transactions.
Offset PSATT0/PCISOFF0 - $84
PSATT1/PCISOFF1 - $8C
PSATT2/PCISOFF2 - $94
PSATT3/PCISOFF3 - $9C
Bit 3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Name PCISOFFx PSATTx
REN WEN WPEN RAEN TDIS GBL INV
Operation R/W R
R/w R/W R/W R/W RW R R/W R/W
Reset $0000 $00
0 0 0 0 0 0 0 0

Motorola MTX series Specifications

General

Brand	Motorola
Model	MTX series
Category	Portable Radio
Language	English