MOTOROLA
Contents
v
CONTENTS
Paragraph
Number
Title
Page
Number
2.2.3.1.8
2.2.3.1.9
2.2.3.1.10
2.2.3.1.11
2.2.3.1.12
2.2.3.1.13
2.2.3.1.14
2.2.3.2
2.2.3.2.1
2.2.3.2.2
2.2.3.2.3
2.2.3.2.4
2.2.3.3
2.2.3.3.1
2.2.3.3.2
2.2.3.3.3
2.2.4
2.2.4.1
2.2.4.2
2.2.4.3
2.2.4.4
2.2.4.5
2.2.4.6
2.2.4.7
2.2.4.8
2.2.4.9
2.2.4.10
2.2.4.11
2.2.4.12
2.2.4.12.1
2.2.4.12.2
2.2.4.13
2.2.4.14
2.2.4.15
2.2.4.16
2.2.4.17
2.2.4.18
2.2.4.19
2.2.4.20
2.2.4.21
2.2.4.22
2.2.5
2.2.5.1
Dirty Out (DIRTY_OUT)—Output.......................................................2-22
Data RAM Output Enable (DOE)—Output ..........................................2-22
Data RAM Write Enable (DWE[0–2])—Output...................................2-22
Hit (HIT)—Input ...................................................................................2-22
Tag Output Enable (TOE)—Output......................................................2-23
Tag Valid (TV)—Output.......................................................................2-23
Tag Write Enable (TWE)—Output .......................................................2-23
External L2 Controller Signals..................................................................2-24
External L2 Bus Grant (BGL2)—Output..............................................2-24
External L2 Bus Request (BRL2)—Input.............................................2-24
External L2 Data Bus Grant (DBGL2)—Output...................................2-24
Hit (HIT)—Input ...................................................................................2-25
Multiple Processor Interface Signals.........................................................2-25
Bus Grant 1–3 (BG[1–3])—Output.......................................................2-25
Bus Request 1–3 (BR[1–3])—Input......................................................2-26
Data Bus Grant 1–3 (DBG[1–3])—Output............................................2-26
Memory Interface Signals..............................................................................2-26
ROM Address 0 (AR0)—Output...............................................................2-27
ROM Address 1–8 (AR[1–8])—Output....................................................2-27
ROM Address 9–20 (AR[9–20])—Output................................................2-27
Buffer Control (BCTL[0–1])—Output......................................................2-27
Column Address Strobe (CAS[0–7])—Output..........................................2-28
SDRAM Clock Enable (CKE)—Output....................................................2-28
SDRAM Command Select (CS[0–7])—Output ........................................2-28
SDRAM Data Qualifier (DQM[0–7])—Output ........................................2-29
Flash Output Enable (FOE)—Output........................................................2-29
Memory Address (MA[0–12])—Output....................................................2-29
Memory Data Latch Enable (MDLE)—Output.........................................2-29
Data Parity/ECC (PAR[0–7])....................................................................2-30
Data Parity (PAR[0–7])—Output..........................................................2-30
Data Parity (PAR[0–7])—Input.............................................................2-30
Parity Path Read Enable (PPEN)—Output................................................2-30
Row Address Strobe (RAS[0–7])—Output...............................................2-31
ROM Bank 0 Select (RCS0)—Output.......................................................2-31
ROM Bank 1 Select (RCS1)—Output.......................................................2-31
Real Time Clock (RTC)—Input................................................................2-31
SDRAM Internal Bank Select (SDBA0)—Output....................................2-32
SDRAM Column Address Strobe (SDCAS)—Output..............................2-32
SDRAM Address (SDMA[1–11])—Output..............................................2-32
SDRAM Row Address Strobe (SDRAS)—Output ...................................2-32
Write Enable (WE)—Output.....................................................................2-33
PCI Interface Signals.....................................................................................2-33
PCI Address/Data Bus (AD[31–0])...........................................................2-33