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SCU User's Manual

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Alphabet index

[A] [B] [C] [D] [E] [J] [L] [P] [R] [S] [V]

[A]
A-Bus
A-Bus control register
A-Bus setting register (CS0,1 space)
A-Bus setting register (CS2, and spare space)
A-Bus configuration register map
Number of A-Bus refresh weights
A-Bus refresh register
A-Bus refresh register map
A-Bus interrupt acknowledge content
A-Bus interrupt acknowledge register
A-Bus interrupt acknowledge register map

[B]
B-Bus

[C]
Forced stop control of DSP program from CPU
Execution start control of DSP program from CPU
CS0,1,2, A-Bus setting register in spare space
CS0 spatial normal cycle setting value
CS0 spatial bus size setting
CS0 spatial burst cycle setting
CS0 spatial burst length setting
CS1 spatial normal cycle setting value
CS1 space bus size setting value
CS1 spatial burst cycle setting
CS1 spatial burst length setting
CS2 space bus size setting value
CS2 spatial burst length setting

[D]
Features of data transfer from D0 bus to DSP
DMA-illegal interrupt
DMA permit register
DMA end interrupt
DMA control register
DMA transfer basic operation
Execution of DMA instruction
DMA instruction format 1
DMA instruction format 2
DMA mode
DMA mode, address update, start factor selection register
Features of data transfer from DSP to D0 bus
DMA transferable area when booted from DSP
DSP end interrupt
DSP control port
DSP data RAM address port
DSP data RAM address portmap
DSP data RAM data port
DSP data RAM data port map
DSP data access Step1
DSP data access Step2
DSP data access Step3
DSP internal block diagram
DSP program RAM data port
DSP program RAM data port map
DSP program control port
DSP program control portmap
Loading the DSP program Step1
Loading the DSP program Step2
Loading the DSP program Step3

[E]
Execution of END instruction
END instruction format

[J]
JUMP instruction format
Execution of JUMP instruction

[L]
Load Immediate instruction format 1 (unconditional transfer)
Load Immediate instruction format 2 (conditional transfer)
LOOP BOTTOM instruction format
Run LOOP program

[P]
PAD interrupt

[R]
RAM page selection

[S]
SCSP
SCU
Prohibitions of SCU-DMA indirect mode
SCU SDRAM select register map
SCU SDRAM selection bit
SCU overview
SCU control register
SCU version register
SCU version register map
Communication unit between SCU and processor
Specific example of transfer between SCU and processor
SCU mapping (Cashe_address)
SCU mapping (Cashe_through_address)
SCU register map
SMPC
SMPC interrupt

[V]
VDP1
VDP2

Hiragana index

[Oh] [or] [is] [was] [is] [or] [Ya] [et al.] []

[A]
DMA transfer execution example by setting the address addition value
Difference in DMA operation depending on the address update bit
Arithmetic instruction format
Operand execution method

[ka]
Difference in timing due to external weight valid bit setting
Write address addition value
Specifying the write address addition value
Indirect mode DMA transfer flow
Details of activation factors
Operation explanation at the time of cache hit

[Sa]
Sound-Request interrupt
Execution of subroutine program
system configuration diagram
Sprite drawing end interrupt

[ta]
Timer 0 compare register
Timer 0 compare register map
Timer 0 interrupt generation process
Timer 1 set data register
Timer 1 set data register map
Timer 1 generation Selection details
Timer 1 mode register
Timer 1 mode register map
Timer 1 interrupt generation process (synchronized with timer 0)
Timer 1 interrupt generation process (asynchronous with timer 0)
Timer operation details
Timer register
Direct mode DMA transfer operation details
data
Data writing example (indirect mode)
Execution of special processing

[ha]
Blanking interrupt details
Block Diagram

[Ma]
Main CPU
DMA transferable area when booted from the main CPU
Instruction list

[ya]
Read address addition value
Spare space Normal cycle setting value
Spare space bus size setting value
Spare space burst cycle setting
Spare space burst length setting

[Ra]
Timing when precharge insertion bit is set after writing
Timing when precharge insertion bit is set after reading
Level 0 Number of bytes transferred
Level 2-0 DMA allow bits
Level 2-0 DMA set register map
Level 2-0 DMA mode, address update, start factor selection register
Level 2-0 address addition value
Level 2-0 write address
Level 2-0 read address
Level 2-1 Number of bytes transferred

[Wa]
Contents of work RAM area
Interrupt status bit content
Interrupt status register
Interrupt status register map
Interrupt control register
Interrupt mask register
Interrupt mask register map
Interrupt factor
Generic term for interrupt factors

HARDWARE ManualSCU User's Manual
Copyright SEGA ENTERPRISES, LTD., 1997