3/14/03
Preliminary
PowerPC 405GPr Embedded Processor Data Sheet
Page 1 of 58
Features
IBM PowerPC
405 32-bit RISC processor core
operating up to 400MHz with 16KB I- and
D-caches
PC-133 synchronous DRAM (SDRAM) interface
- 32-bit interface for non-ECC applications
- 40-bit interface serves 32 bits of data plus 8
check bits for ECC applications
4 KB on-chip memory (OCM)
External peripheral bus
- Flash ROM/Boot ROM interface
- Direct support for 8-, 16-, or 32-bit SRAM
and external peripherals
- Up to eight devices
- External Mastering supported
DMA support for external peripherals, internal
UART and memory
- Scatter-gather chaining supported
- Four channels
PCI Revision 2.2 compliant interface (32-bit, up
to 66 MHz)
- Synchronous or asynchronous PCI Bus
interface
- Internal or external PCI Bus Arbiter
Ethernet 10/100 Mbps (full-duplex) support with
media independent interface (MII)
Programmable interrupt controller supports 13
external and 19 internal edge triggered or level-
sensitive interrupts
Programmable timers
Two serial ports (16550 compatible UART)
One IIC interface
General purpose I/O (GPIO) available
Supports JTAG for board level testing
Internal processor local Bus (PLB) runs at
SDRAM interface frequency
Supports PowerPC processor boot from PCI
memory
Unique software-accessible 64-bit chip ID
number (ECID).
Description
Designed specifically to address embedded
applications, the PowerPC 405GPr (PPC405GPr)
provides a high-performance, low-power solution
that interfaces to a wide range of peripherals by
incorporating on-chip power management features
and lower power dissipation requirements.
This chip contains a high-performance RISC
processor core, SDRAM controller, PCI bus
interface, Ethernet interface, control for external
ROM and peripherals, DMA with scatter-gather
support, serial ports, IIC interface, and general
purpose I/O.
Technology: IBM CMOS SA-27E, 0.18
m
(0.11
m L
eff
)
Package: 456-ball (35mm or 27mm) enhanced
plastic ball grid array (E-PBGA)
Power (typical): 0.72W at 266MHz
While the information contained herein is believed to be accurate, such information is preliminary, and should not be
relied upon for accuracy or completeness, and no representations or warranties of accuracy or completeness are made.
Preliminary
PowerPC 405GPr Embedded Processor Data Sheet
Page 2 of 58
3/14/03
Contents
Ordering, PVR, and JTAG Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Address Map Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
On-Chip Memory (OCM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PLB to PCI Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SDRAM Memory Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
External Peripheral Bus Controller (EBC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
DMA Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
IIC Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
General Purpose IO (GPIO) Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Universal Interrupt Controller (UIC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10/100 Mbps Ethernet MAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
JTAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Signal List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Spread Spectrum Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Strapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Tables
System Memory Address Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DCR Address Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Signals Listed Alphabetically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Signals Listed by Ball Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Pin Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Signal Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Package Thermal Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Recommended DC Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Input Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Clocking Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Peripheral Interface Clock Timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
I/O Specifications--Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
I/O Specifications--Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
PPC405GPr Legacy Mode Strapping Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
PPC405GPr New Mode Strapping Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Preliminary
PowerPC 405GPr Embedded Processor Data Sheet
3/14/03
Page 3 of 58
Figures
PPC405GPr Embedded Controller Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
27mm, 456-Ball E-PBGA Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
35mm, 456-Ball E-PBGA Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5V-Tolerant Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Input Setup and Hold Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Output Delay and Float Timing Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Preliminary
PowerPC 405GPr Embedded Processor Data Sheet
Page 4 of 58
3/14/03
Ordering, PVR, and JTAG Information
This section provides the part number nomenclature. For availability, contact your local IBM sales office.
The part number contains a part modifier. Included in the modifier is a revision code. This refers to the die
mask revision number and is specified in the part numbering scheme for identification purposes only.
The PVR (Processor Version Register) is software accessible and contains additional information about the
revision level of the part. Refer to the
PowerPC 405GPr Embedded Processor User's Manual for details on
the register content.
Order Part Number Key
Product Name
Order Part Number
1
Processor
Frequency
Package
Rev
Level
PVR Value
JTAG ID
PPC405GPr
IBM25PPC405GPr3BB266
266MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3BB266Z
266MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB266
266MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB266Z
266MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3BB333
333MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3BB333Z
333MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB333
333MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB333Z
333MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3BB400
400MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3BB400Z
400MHz
35 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB400
400MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
PPC405GPr
IBM25PPC405GPr3DB400Z
400MHz
27 mm, 456 E-PBGA
B
0x50910951
0x24088049
Note 1: Z at the end of the Order Part Number indicates a tape and reel shipping package. Otherwise, the chips are shipped in a tray.
IBM Part Number
IBM25PPC405GPr3BB266x
Package and Operational Case Temperature
Processor Speed
Grade 3 Reliability
Revision Level
Shipping Package
Blank = Tray
Z = Tape and reel
266 MHz
400 MHz
B: 35mm, 456 E-PBGA, -40C to +85C
D: 27mm, 456 E-PBGA, -40C to +85C
333 MHz
Preliminary
PowerPC 405GPr Embedded Processor Data Sheet
3/14/03
Page 5 of 58
PPC405GPr Embedded Controller Functional Block Diagram
The PPC405GPr is designed using the IBM Microelectronics Blue Logic
TM
methodology in which major
functional blocks are integrated together to create an application-specific ASIC product. This approach
provides a consistent way to create complex ASICs using IBM CoreConnect
TM
Bus Architecture.
PPC405
Processor Core
DOCM
IOCM
DCU
ICU
OCM
Control
OCM
SRAM
DCR Bus
16KB
On-chip Peripheral Bus (OPB)
GPIO
IIC
UART
UART
MAL
Ethernet
DMA
Bridge
Processor Local Bus (PLB)
SDRAM
PCI Bridge
Code
Decompression
External
Bus
Controller
Controller
Clock
Control
Reset
Power
Mgmt
JTAG
Trace
Timers
MMU
MII
Controller
OPB
Interrupt
Controller
Arb
32-bit addr
32-bit data
13-bit addr
32-bit data
External
Bus Master
Controller
Universal
I-Cache
D-Cache
(4-Channel)
(CodePack
)
66 MHz max (async)
DCRs
33 MHz max (sync)
16KB
Arb
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