SM320C6414-EP_16 Datasheet, PDF (57/93 Pages) Texas Instruments – FIXED-POINT DIGITAL SIGNAL PROCESSORS

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SM320C6414-EP, SM320C6415-EP, SM320C6416-EP
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SGUS043D – MAY 2003 – REVISED SEPTEMBER 2008
NO.
6
t_{su(ARDY-EKO1H)}
7
t_{h(EKO1H-ARDY)}
PARAMETER
Setup time, ARDY valid before ECLKOUT1 high
Hold time, ARDY valid after ECLKOUT1 high
–50xEP
MIN MAX
3
1.7
UNIT
ns
ns
NO.
PARAMETER
1 t_{osu(SELV-AREL)} Output setup time, select signals valid to ARE low
2 t_{oh(AREH-SELIV)} Output hold time, ARE high to select signals invalid
5 t_{d(EKO1H-AREV)} Delay time, ECLKOUT1 high to ARE valid
8 t_{osu(SELV-AWEL)} Output setup time, select signals valid to AWE low
9 t_{oh(AWEH-SELIV)} Output hold time, AWE high to select signals invalid
10 t_{d(EKO1H-AWEV)} Delay time, ECLKOUT1 high to AWE valid
–50xEP
MIN
RS × E-1.6
RH × E-1.7
0.8
WS × E-1.9
WH × E-1.7
0.9
MAX
6.6
6.7
UNIT
ns
ns
ns
ns
ns
ns
ECLKOUT1
CEx
ABE[7:0] or BBE[1:0]
AEA[22:3] or BEA[20:1]
AED[63:0] or BED[15:0]
AOE/SDRAS/SOE^‡
ARE/SDCAS/SADS/SRE^‡
Setup = 2
Strobe = 3
Not Ready
Hold = 2
1
2
1
BE
1
Address
2
2
3
4
1
Read Data
2
5
5
AWE/SDWE/SWE^‡
ARDY
7
6
7
6
NOTE: These C64xE devices have two EMIFs (EMIFA and EMIFB). All EMIFA signals are prefixed by an A and all EMIFB
signals are prefixed by a B. Throughout the rest of this document, in generic EMIF areas of discussion, the prefix A or
B may be omitted [e.g., the asynchronous memory access signals are shown as generic (AOE, ARE, and AWE)
instead of AAOE, AARE, and AAWE (for EMIFA) and BAOE, BARE, and BAWE (for EMIFB)].
A. AOE/SDRAS/SOE, ARE/SDCAS/SADS/SRE, and AWE/SDWE/SWE operate as AOE (identified under select signals),
ARE, and AWE, respectively, during asynchronous memory accesses.
Figure 5-11. Asynchronous Memory Read Timing for EMIFA and EMIFB (see NOTE NoLabel )
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PARAMETER MEASUREMENT INFORMATION
57