TVME8240 User Manual Issue 1.2.9
Page 4 of 70
Table of Contents
1
INTRODUCTION......................................................................................................... 9
1.1
Features ........................................................................................................................................9
1.2
Block Diagram ............................................................................................................................10
2
DESCRIPTION.......................................................................................................... 11
2.1
Processor....................................................................................................................................11
2.2
Local Memory Bus .....................................................................................................................11
2.2.1
FLASH Memory ............................................................................................................11
2.2.2
SDRAM Memory...........................................................................................................11
2.2.3
NVRAM / Real-Time Clock ...........................................................................................11
2.2.4
16550 compatible Dual UART ......................................................................................12
2.2.5
Utility Registers.............................................................................................................12
2.3
PCI Bus .......................................................................................................................................12
2.3.1
PCI Arbiter Assignment ................................................................................................13
2.3.2
PCI IDSEL Assignment ................................................................................................13
2.4
VME Bus Interface .....................................................................................................................14
2.5
LAN Interface..............................................................................................................................14
2.6
IP Bus Interface ..........................................................................................................................14
2.7
PCI Expansion Interface............................................................................................................14
2.8
Asynchronous Serial Interface .................................................................................................15
2.9
Interrupt Controller ....................................................................................................................15
2.10
Status Indicators........................................................................................................................16
2.11
Reset Switch...............................................................................................................................16
2.12
Abort Switch ...............................................................................................................................16
3
ADDRESS MAPS ..................................................................................................... 17
3.1
Address Map - Processor View ................................................................................................17
3.2
Address Map – PCI Memory Master View................................................................................18
3.3
Address Map – PCI I/O Master View.........................................................................................19
3.4
Address Map – Peripheral Devices Detail ...............................................................................19
3.5
Address Map – Utility Register Detail ......................................................................................20
3.5.1
Control Register (0xFFE4_0000)..................................................................................20
3.5.2
Status Register (0xFFE4_0001) ...................................................................................21
3.5.3
LED Register (0xFFE4_0003) ......................................................................................21
4
MPC8240 .................................................................................................................. 23
4.1
MPC8240 Configuration Register .............................................................................................23
4.1.1
Configuration Register Access .....................................................................................23
4.1.2
Configuration Register Settings....................................................................................24
4.2
MPC8240 EPIC Register ............................................................................................................27
4.2.1
EPIC Register Access ..................................................................................................27
4.2.2
EPIC Register Settings.................................................................................................27
4.2.2.1
Global Configuration Register (GCR) ...........................................................27
4.2.2.2
EPIC Interrupt Configuration Register (EICR) ..............................................27
4.2.2.3
Serial Interrupt Vector / Priority Registers (SVPR) .......................................27
4.2.2.4
EPIC Register Programming.........................................................................27
4.3
I2C................................................................................................................................................28
4.3.1
I2C EEPROM................................................................................................................28
