xvi
MPC106 PCIB/MC User's Manual
MOTOROLA
ILLUSTRATIONS
Figure
Number
Title
Page
Number
3-34
3-35
3-36
3-37
3-38
3-39
3-40
3-41
3-42
3-43
3-44
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
5-1
5-2
5-3
5-4
5-5
Memory Control Configuration Register 4 (MCCR4)—0xFC............................3-49
Processor Interface Configuration Register 1 (PICR1)—0xA8...........................3-52
Processor Interface Configuration Register 2 (PICR2)—0xAC..........................3-57
Alternate OS-Visible Parameters Register 1—0xBA ..........................................3-63
Alternate OS-Visible Parameters Register 2—0xBB...........................................3-64
Emulation Support Configuration Register 1 (ESCR1)—0xE0...........................3-64
Emulation Support Configuration Register 2 (ESCR2)—0xE8...........................3-66
Modified Memory Status Register—0xE4/0xEC ................................................3-67
External Configuration Register 1—Port 0x092..................................................3-68
External Configuration Register 2—Port 0x81C.................................................3-68
External Configuration Register 3—Port 0x850..................................................3-69
Single-Processor Configuration with Optional L2 Cache......................................4-2
Multiprocessor Configuration................................................................................4-3
Multiprocessor Configuration with External L2 Cache.........................................4-4
Overlapping Tenures on the 60x Bus for a Single-Beat Transfer..........................4-6
Address Bus Arbitration with Dual Processors......................................................4-9
Address Pipelining ...............................................................................................4-10
Snooped Address Transaction with ARTRY and L1 Cache Copy-Back..............4-17
Single-Beat and Burst Data Transfers..................................................................4-19
Data Tenure Terminated by Assertion of TEA....................................................4-20
Local Bus Slave Transaction................................................................................4-22
60x Bus State Diagram.........................................................................................4-23
Typical L2 Cache Using Burst SRAM (Write-Back) ............................................5-3
Typical L2 Cache Using Pipelined Burst SRAM (Write-Back, ADSC Only).......5-4
Alternate L2 Cache Using Pipelined Burst SRAM (Write-Back Using ADSP)....5-5
Typical L2 Cache Using Asynchronous SRAM (Write-Back)..............................5-6
512-Kbyte, Two-Bank, L2 Cache Using Synchronous Burst SRAM (Write-Back) ...
5-8
1-Mbyte, Two-Bank, L2 Cache Using Pipelined Burst SRAM (Write-Back, ADSC
Only)..................................................................................................................5-9
HIT and DIRTY_IN Delay Configuration...........................................................5-26
External Byte Decode Logic Requiring CF_WMODE = 1..................................5-27
Normal Write Timing (CF_WMODE = 0 or 1)...................................................5-28
External Byte Decode Logic Requiring CF_WMODE = 2..................................5-28
Delayed Write Timing (CF_WMODE = 2) .........................................................5-29
External Byte Decode Logic Requiring CF_WMODE = 3..................................5-29
Early Write Timing (CF_WMODE = 3)..............................................................5-30
Timing Diagram Legend......................................................................................5-30
L2 Cache Read Hit Timing with CF_DOE = 0....................................................5-31
L2 Cache Read Hit Timing with CF_DOE = 1....................................................5-31
L2 Cache Write Hit Timing .................................................................................5-32
L2 Cache Line Update Timing.............................................................................5-33
L2 Cache Line Cast-Out Timing..........................................................................5-34
5-6
5-7
5-8
5-9
5-10
5-11
5-12
5-13
5-14
5-15
5-16
5-17
5-18
5-19