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Texas Instruments TMS320C6455 User Manual

Texas Instruments TMS320C6455
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AECLKIN
2
3
4
4
5
1
TMS320C6455
SPRS276M MAY 2005REVISED MARCH 2012
www.ti.com
7.10.3 EMIFA Electrical Data/Timing
Table 7-42. Timing Requirements for AECLKIN for EMIFA
(1) (2)
(see Figure 7-31)
-720
-850
A-1000/-1000
NO. UNIT
-1200
MIN MAX
1 t
c(EKI)
Cycle time, AECLKIN 6
(3)
40 ns
2 t
w(EKIH)
Pulse duration, AECLKIN high 2.7 ns
3 t
w(EKIL)
Pulse duration, AECLKIN low 2.7 ns
4 t
t(EKI)
Transition time, AECLKIN 2 ns
5 t
J(EKI)
Period Jitter, AECLKIN 0.02E
(4)
ns
(1) The reference points for the rise and fall transitions are measured at V
IL
MAX and V
IH
MIN.
(2) E = the EMIF input clock (AECLKIN or SYSCLK4) period in ns for EMIFA.
(3) Minimum AECLKIN cycle times must be met, even when AECLKIN is generated by an internal clock source. Minimum AECLKIN times
are based on internal logic speed; the maximum useable speed of the EMIF may be lower due to AC timing requirements.
(4) This timing only applies when AECLKIN is used for EMIFA.
Figure 7-31. AECLKIN Timing for EMIFA
160 C64x+ Peripheral Information and Electrical Specifications Copyright © 2005–2012, Texas Instruments Incorporated
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Texas Instruments TMS320C6455 Specifications

General IconGeneral
BrandTexas Instruments
ModelTMS320C6455
CategorySignal Processors
LanguageEnglish

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