Broadcom BCM7405 - EBI Timing; Figure 1-44: Async Read Timing Diagram; Table 1-30: Async Read Timing Parameters

2/24/2008 9T6WP
Preliminary Hardware Data Module BCM7405
06/29/07 Timing and AC Characteristics
Broadcom Corporation
Document 7405-1HDM00-R EBI Timing Page 1-159
EBI TIMING
ASYNCHRONOUS READ TRANSFER
Figure 1-44: Async Read Timing Diagram
Table 1-30: Async Read Timing Parameters
Description Symbol Min Max Units
Delay time: EBI_CLK rising to EBI_ADDR[25:0] or EBI_TSIZE[1:0] valid t
1
313.5ns
Delay time: EBI_CLK rising to EBI_CSb[n] low or high (CSHold=0) t
2
313.5ns
Delay time: EBI_CLK falling to EBI_CSb[n] low or high(CSHold=1) t
3
313.5ns
Delay time: EBI_CLK rising to EBI_RDb or EBI_DSb low or high t
4
313.5ns
Setup time: EBI_DATA[15:0] valid to EBI_CLK rising t
10
7– ns
Hold time: EBI_DATA[15:0] valid after EBI_CLK rising t
11
0– ns
Note: Load is 35 pF for all EBI pins.
Data Data
t
1
t
2
t
3
t
4
t
4
t
10
EBI_CLK
EBI_ADDR[25:0]
EBI_TSIZE[1:0]
EBI_CSb[n]
EBI_RDb, EBI_DSb
EBI_DATA[15:0]
t
11
t
3
t
1