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PPC750FX
IBM PPC750FX User Manual
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Eval
uati
on B
oard
Manu
al
Preliminary
PPC750
FX Evalua
tion Board
750FXebm_ch10.fm
June 10, 2003
Connectors
Page 71 o
f 115
Figure
10
-13.
T
est
Connectio
n Locatio
ns
TP15
TP12
TP9
TP17
TP21
TP34
TP32
TP35
TP31
U26
TP27
TP29
TP24
TP30
TP28
TP23
TP25
TP8
TP16
TP20
TP22
TP6
TP7
TP39
TP38
TP37
TP36
TP33
TP2
TP1
TP10
TP5
TP4
TP3
U28
TP41*
TP42*
TP43*
* TP
41,
TP42,
an
d TP
43
are
locate
d on th
e bott
om of t
he
board
TP13
TP14
TP11
TP18
TP19
70
72
Table of Contents
Default Chapter
1
Evaluation Board
1
Table of Contents
3
Tables
7
Figures
9
About this Book
11
1 Overview
13
Powerpc 750FX RISC Microprocessor Features
13
Figure 1-1. PPC750FX Block Diagram
14
Board Features
17
2 Board Design
19
Processor
19
Figure 2-1. PPC750FX Board Architecture
19
Board Clocking
20
Figure 2-2. Clock Distribution on the PPC750FX Board
20
Internal Processor Clocking
21
System Controller
21
SDRAM Interface
21
PCI Bus
21
Ethernet
21
Table 2-1. Ethernet Ports
21
Flash Memory
22
Figure 2-3. Board Ethernet Architecture
22
Table 2-2. Switch Settings
23
Table 2-3. Flash Configurations
23
Nvram
24
Sram
24
Serial Ports
24
Figure 2-4. Board Serial Port Architecture
24
Logic Analyzer Connections
25
Power Supply
25
PCI Voltages
25
System Controller Voltages
25
PPC750FX Voltages
25
SDRAM Voltages
26
Form Factor
26
3 Memory Map
27
CPLD Register Definitions
27
Table 3-1. Board Address Space Usage
27
Table 3-2. Register0
27
Table 3-3. Register1
28
Table 3-4. Register2
28
Table 3-5. Register3
29
Table 3-6. Register4
29
4 Programming the System Controller
31
Ddr Sdram
31
SDRAM Controller Initialization
31
Device Controller Bank Register Settings
31
Table 4-1. DDR SDRAM Characteristics
31
Device Bank 0 Parameters (32-Bit Flash)
32
Table 4-2. Device Bank 0 Parameters = 0X85A492Bf
32
Device Bank 1 Parameters (CPLD Registers)
33
Table 4-3. Device Bank 1 Parameters = 0X8004921A
33
Device Bank 2 Parameters (Uarts)
34
Table 4-4. Device Bank 2 Parameters = 0X8C002Bd6
34
Device Bank 3 Parameters (FRAM)
35
Table 4-5. Device Bank 3 Parameters = 0X8D891445
35
Boot Device Parameters (8 Bit Flash and SRAM)
36
Table 4-6. Boot Device Bank Parameters = 0X8185D09E
36
5 Reset and Interrupts
37
Resets
37
Interrupts
37
Figure 5-1. Interrupt Architecture
37
Table 5-1. External Interrupts
38
6 Switches
39
Reset Pushbutton
39
Table 6-1. Switches
39
Table 6-2. Reset Pushbutton-U5
39
Figure 6-1. Switch Location Diagram
39
ATX Power-On Pushbutton
40
CPU 0 PLL Configuration
40
Table 6-3. Reset Pushbutton-U53
40
Table 6-4. CPU 0 PLL Configuration-U30
40
CPU 1 PLL Configuration
41
Table 6-5. CPU 1 PLL Configuration Switches-U35
41
System Controller Initialization
42
Table 6-6. System Controller Initilization-U17
42
Table 6-7. System Controller Initilization-U24
43
7 Fuses, Batteries, Regulators, and Fans
45
On-Board Current Monitoring and Variable Voltage Testing
45
Supplies
45
Table 7-1. Current Measurement of The1.4V Supplies
45
Figure 7-1. Resistor Location Diagram
45
Supply
46
Fan
46
Table 7-2. Current Measurement of the 2.5V Supply
46
Figure 7-2. Fan and Heatsink Location Diagram
46
8 Displays
47
Table 8-1. Displays
47
Figure 8-1. Display Location Diagram
47
9 Jumpers
49
Figure 9-1. Jumper Location Diagram
49
Table 9-1. Jumpers
49
Figure 9-2. Write-Protect 32-Bit Flash Memory Jumper-J8
50
Figure 9-3. Ignore Fan Jumper-J16
50
Ignore Fan
50
Table 9-2. Write-Protect 32-Bit Flash Memory-J8
50
Table 9-3. Ignore Fans-J16
50
Write-Protect 32-Bit Flash
50
Figure 9-4. PCI Interrupt Selection Jumper-J22
51
PCI Interrupt Selection
51
Table 9-4. PCI Interrupt Selection-J22
51
10 Connectors
53
Table 10-1. Connectors
53
Figure 10-1. Connector Location Diagram, Top Side
54
Auxiliary Power
55
Figure 10-2. ATX Power Supply Connector-J34
55
Table 10-2. ATX Power Signals-J34
55
Fan Power
56
Figure 10-3. Ground Connectors-J1, J2, J7, J9, J10, J12, J17, J18, J23, J24
56
Figure 10-4. Fan Power Connector-J4
56
Ground
56
Table 10-3. Ground Connectors -J1, J2, J7, J9, J10, J12, J17, J18, J23, J24
56
Table 10-4. Fan Power Signals-J4
56
Figure 10-5. Riscwatch JTAG Connector-J11
57
Riscwatch JTAG Debugger
57
Table 10-5. Riscwatch Signals-J11
57
Ethernet
58
Figure 10-6. Ethernet Connector-One of Two RJ45 Sockets in J20
58
Table 10-6. Ethernet UTP Signals-J20, both Sockets
58
Figure 10-7. PCI Connector-J25
59
PCI Connector
59
Table 10-7. PCI Connector Signals-J25
59
CPLD JTAG Connector
62
Figure 10-8. CPLD JTAG Connector-J26
62
Table 10-8. CPLD JTAG Connector-J26
62
Figure 10-9. Serial Port Connector-J13, One of Two RJ11/12 Sockets
63
Serial Ports
63
Table 10-9. Serial Port Connector Signals-J13, both Ports
63
Figure 10-10. System Controller Device Address Connector-J14
64
System Controller Device Address Bus
64
Table 10-10. System Controller Device Address Signals-J14
64
Figure 10-11. Memory Control Connector-J15
66
Memory Control
66
Table 10-11. Memory Control Signals-J15
66
External Clock Input
68
Figure 10-12. External Clock Input Connector-U39
68
Table 10-12. External Clock Input Signal-U39
68
Table 10-13. Test Connections
69
Test Connections
69
Figure 10-13. Test Connection Locations
71
11 CPLD Programming
73
Programming-Registers and Control Functions
73
I/O Pin List
73
Table 11-1. Section Contents
73
Table 11-2. CPLD I/O Pin List
73
CPLD Logic
76
Table 11-3. CPLD Logic Descriptions
76
Top Level Block Diagram 1
77
Top Level Block Diagram 2
78
Framcs Logic
79
Decode_Block Program
80
Registers2 Program
84
Reset_Block Program
89
Misc Logic
93
Timing-Registers and Control Functions
94
Maximum Clock Frequency
94
Clock-To-Output Time
94
Table 11-4. Maximum Clock Frequency
94
Table 11-5. Clock-To-Output Time
94
Pin-To-Pin Signal Delay
96
Table 11-6. Pin-To-Pin Signal Delay
96
Setup and Hold Time
100
Table 11-7. Setup and Hold Time
100
12 Bills of Materials
101
Component Location
101
Table 12-1. Section Contents
101
Table 12-2. Component Placement Data Description
102
Figure 12-1. Example of a Component Placement List in the Schematics
102
Figure 12-2. Board Location Grid-Top View
103
Figure 12-3. Board Location Grid-Bottom View
103
Debugging Tools
104
Auxiliary Materials
104
Table 12-3. Debugging Tools
104
Table 12-4. Auxiliary Materials in Kit
104
Board Bill of Materials
105
Table 12-5. Evaluation Board Bill of Materials
106
Index
113
Revision Log
115
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IBM PPC750FX Specifications
General
Brand
IBM
Model
PPC750FX
Category
Motherboard
Language
English
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