SM320C6414-EP_16 Datasheet, PDF (63/93 Pages) Texas Instruments – FIXED-POINT DIGITAL SIGNAL PROCESSORS

www.ti.com
SM320C6414-EP, SM320C6415-EP, SM320C6416-EP
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SGUS043D – MAY 2003 – REVISED SEPTEMBER 2008
NO.
PARAMETER
1
t_d(EKO1H-CEV)
Delay time, ECLKOUT1 high to CEx valid
2
t_d(EKO1H-BEV)
Delay time, ECLKOUT1 high to BEx valid
3
t_{d(EKO1H-BEIV)}
Delay time, ECLKOUT1 high to BEx invalid
4
t_d(EKO1H-EAV)
Delay time, ECLKOUT1 high to EAx valid
5
t_{d(EKO1H-EAIV)}
Delay time, ECLKOUT1 high to EAx invalid
8 t_{d(EKO1H-CASV)} Delay time, ECLKOUT1 high to SDCAS valid
9
t_d(EKO1H-EDV)
Delay time, ECLKOUT1 high to EDx valid
10 t_{d(EKO1H-EDIV)}
Delay time, ECLKOUT1 high to EDx invalid
11 t_d(EKO1H-WEV)
Delay time, ECLKOUT1 high to SDWE valid
12 t_d(EKO1H-RAS)
Delay time, ECLKOUT1 high to SDRAS valid
13 t_{d(EKO1H-ACKEV)} Delay time, ECLKOUT1 high to ASDCKE valid (EMIFA only)
14 t_{d(EKO1H-PDTV)} Delay time, ECLKOUT1 high to PDT valid
–50xEP
MIN MAX
1.3
6.4
6.4
1.3
6.4
1.3
1.3
6.4
6.4
1.3
1.3
6.4
1.3
6.4
1.3
6.4
1.3
6.4
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5.4.3 Timing Requirements for Synchronous DRAM Cycles for EMIFB Module⁽¹⁾(see
Figure 5-16)
NO.
PARAMETER
–50xEP
UNIT
MIN MAX
6
t_{su(EDV-EKO1H)} Setup time, read EDx valid before ECLKOUT1 high
7
t_h(EKO1H-EDV) Hold time, read EDx valid after ECLKOUT1 high
2.1
ns
2.5
ns
(1) These C64x 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 synchronous
DRAM memory access signals are shown as generic ( SDCAS, SDWE, and SDRAS ) instead of ASDCAS, ASDWE, and ASDRAS (for
EMIFA) and BSDCAS, BSDWE, and BSDRAS (for EMIFB)].
NO.
PARAMETER
1
t_d(EKO1H-CEV)
Delay time, ECLKOUT1 high to CEx valid
2
t_d(EKO1H-BEV)
Delay time, ECLKOUT1 high to BEx valid
3
t_{d(EKO1H-BEIV)}
Delay time, ECLKOUT1 high to BEx invalid
4
t_d(EKO1H-EAV)
Delay time, ECLKOUT1 high to EAx valid
5
t_{d(EKO1H-EAIV)}
Delay time, ECLKOUT1 high to EAx invalid
8 t_{d(EKO1H-CASV)} Delay time, ECLKOUT1 high to SDCAS valid
9
t_d(EKO1H-EDV)
Delay time, ECLKOUT1 high to EDx valid
10 t_{d(EKO1H-EDIV)}
Delay time, ECLKOUT1 high to EDx invalidE
11 t_d(EKO1H-WEV)
Delay time, ECLKOUT1 high to SDWE valid
12 t_d(EKO1H-RAS)
Delay time, ECLKOUT1 high to SDRAS valid
13 t_{d(EKO1H-ACKEV)} Delay time, ECLKOUT1 high to ASDCKE valid (EMIFA only)
14 t_{d(EKO1H-PDTV)} Delay time, ECLKOUT1 high to PDT valid
–50xEP
MIN MAX
1.3
6.4
6.4
1.3
6.4
1.3
1.3
6.4
6.4
1.3
1.3
6.4
1.3
6.4
1.3
6.4
1.3
6.4
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Submit Documentation Feedback
PARAMETER MEASUREMENT INFORMATION
63