Samsung SC32442B54, User Manual

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SC32442B RISC MICROPROCESSOR ELECTRICAL DATA
25-
39
Table 25-8 External Bus Request Timing Constants
(V
DDiarm
= 1.7V
±
0.05 V, V
DDi
= 1.2V
±
0.05 V, T
A
= -25 to 85
°
C, V
EXT
= 3.3V
±
0.3V)
Parameter Symbol Min Typ. Max Unit
External Bus Request Setup Time
t
XnBRQS
4 – – ns
External Bus Request Hold Time
t
XnBRQH
1 – – ns
External Bus Ack Delay
t
XnBACKD
4 – 10 ns
HZ Delay
t
HZD
2 – 6 ns
Table 25-9 DMA Controller Module Signal Timing Constants
(V
DDiarm
= 1.7V
±
0.05 V, V
DDi
= 1.2V
±
0.05 V, T
A
= -25 to 85
°
C, V
EXT
= 3.3V
±
0.3V)
Parameter Symbol Min Typ. Max Unit
External Request Setup
t
XRS
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