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RabbitCore RCM3209/RCM3229
Figure A-4 shows a typical timing diagram for the Rabbit 3000 microprocessor external I/
O read and write cycles.
Figure A-4. 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
External I/O Read (no extra wait states)
CLK
A[15:0]
External I/O Write (no extra wait states)
CLK
A[15:0]
/IORD
valid
T1
Tw
T1
Tw
T2
valid
T2
/BUFEN
/IOCSx
/IOWR
/BUFEN
D[7:0]
valid
Tsetup
Thold
/CSx
/IOCSx
TCSx
TIOCSx
TIORD
TBUFEN
TCSx
TIOCSx
TIORD
TBUFEN
valid
D[7:0]
/CSx
TCSx
TIOCSx
TIOWR
TCSx
TIOCSx
TIOWR
TBUFEN
TBUFEN
TDHZV
TDVHZ
Summary of Contents for RabbitCore RCM3209
Page 1: ...RabbitCore RCM3209 RCM3229 C Programmable Module with Ethernet User s Manual 019 0165 080528 D...
Page 6: ...RabbitCore RCM3209 RCM3229...
Page 20: ...14 RabbitCore RCM3209 RCM3229...
Page 58: ...52 RabbitCore RCM3209 RCM3229...
Page 84: ...78 RabbitCore RCM3200...
Page 135: ...User s Manual 129 keyConfig continued RETURN VALUE None SEE ALSO keyProcess keyGet keypadDef...
Page 140: ...134 RabbitCore RCM3209 RCM3229...
Page 144: ...138 RabbitCore RCM3209 RCM3229...
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