Samsung S3C2440A - Manual (Page 556)

ELECTRICAL DATA S3C2440A RISC MICROPROCESSOR
27-38
Table 27-10 External Bus Request Timing Constants
(V
DD
= 1.2 V
±
0.1 V, T
A
= -40 to 85
°
C, V
EXT
= 3.3V
±
0.3V)
Parameter Symbol Min Typ. Max Unit
External Bus Request Setup Time t
XnBRQS
2 – 4 ns
External Bus Request Hold Time t
XnBRQH
0 – 1 ns
External Bus Ack Delay t
XnBACKD
4 – 10 ns
HZ Delay t
HZD
2 – 6 ns
Table 27-11 DMA Controller Module Signal Timing Constants
(V
DD
= 1.2 V
±
0.1 V, T
A
= -40 to 85
°
C, V
EXT
= 3.3V
±
0.3V)
Parameter Symbol Min Typ. Max Unit
External Request Setup t
XRS
3 – 5 ns
Access To Ack Delay During Low Transition t
CADL
3 – 8 ns
Access To Ack Delay During High Transition t
CADH
3 – 8 ns
External Request Delay t
XAD
2 – – SCLK