User’s Manual
55
Figure A-4 shows a typical timing diagram for the Rabbit 3000 microprocessor external
I/O read and write cycles.
Figure A-4. External I/O Read and Write Cycles—No Extra Wait States
NOTE:
/IOCSx
can be programmed to be active low (default) or active high.
Tadr
Tadr
Memory Read (no wait states)
CLK
A[19:0]
Memory Write (no extra wait states)
CLK
A[19:0]
valid
T1
T2
T1
Tw
T2
valid
TOEx
TOEx
D[7:0]
valid
Thold
Tsetup
/CSx
/OEx
TCSx
TCSx
valid
D[7:0]
TDHZV
TDVHZ
/CSx
/WEx
TCSx
TCSx
TWEx
TWEx
Downloaded from
Elcodis.com
electronic components distributor
Содержание RabbitCore RCM3000
Страница 8: ...RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 36: ...28 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 42: ...34 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 56: ...48 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 80: ...72 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 110: ...102 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 126: ...118 RabbitCore RCM3000 Downloaded from Elcodis com electronic components distributor...
Страница 128: ...Downloaded from Elcodis com electronic components distributor...