參數(shù)資料
型號: S29CL032J0RQAM013
廠商: SPANSION LLC
元件分類: PROM
英文描述: 1M X 32 FLASH 3.3V PROM, 48 ns, PQFP80
封裝: PLASTIC, MO-108CB-1, QFP-80
文件頁數(shù): 19/79頁
文件大?。?/td> 2994K
代理商: S29CL032J0RQAM013
26
S29CD-J & S29CL-J Flash Family
S29CD-J_CL-J_00_B3 March 30, 2009
Da ta
Sh e e t
Figure 8.3 End of Burst Indicator (IND/WAIT#) Timing for Linear 4 Double Word Burst Operation
Note
Operation is shown for the 32-bit data bus. Figure shown with 3-CLK initial access delay configuration, linear address, 4-doubleword burst,
output on rising CLK edge, data hold for 1-CLK, IND/WAIT# asserted on the last transfer before wrap-around.
8.4.2
Initial Burst Access Delay
Initial Burst Access Delay is defined as the number of clock cycles that must elapse from the first valid clock
edge after ADV# assertion (or the rising edge of ADV#) until the first valid CLK edge when the data is valid.
Burst access is initiated and the address is latched on the first rising CLK edge when ADV# is active or upon
a rising ADV# edge, whichever comes first. The Initial Burst Access Delay is determined in the Configuration
Register (CR13-CR10). Refer to Table 8.5 for the initial access delay configurations under CR13-CR10. See
Figure 8.4 for the Initial Burst Delay Control timing diagram. Note that the Initial Access Delay for a burst
access has no effect on asynchronous read operations.
Table 8.3 Valid Configuration Register Bit Definition for IND/WAIT#
CR9
(DOC)
CR8
(WC)
CR6
(CC)
Definition
0
1
IND/WAIT# = VIL for 1-CLK cycle, Active on last transfer, Driven on rising CLK edge
01
1
IND/WAIT# = VIL for 1-CLK cycle, Active on second to last transfer, Driven on rising
CLK edge
CE#
CLK
ADV#
Addresses
OE#
Data
Address 1
Address 2
Invalid
D1
D2
D3
D0
Address 1 Latched
3 Clock Delay
IND/WAIT#
VIL
VIH
Table 8.4 Burst Initial Access Delay
CR13
CR12
CR11
CR10
Initial Burst Access (CLK cycles)
000
1
3
001
0
4
001
1
5
010
0
6
010
1
7
0
1
0
8
011
1
9
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