ADV
ANCEINFORMA
TION
t
w(SDCH)M1
t
c(SDC)M1
t
h(SDCL-SDD)M1
t
h(SDCH-SDD)M1
t
su(SDDV-SDCL)M1
t
su(SDDV-SDCH)M1
SDx_Cy
SDx_Dy
Mode 1
Mode 0
t
w(SDCH)M0
t
c(SDC)M0
t
h(SDCH-SDD)M0
t
su(SDDV-SDCH)M0
SDx_Cy
SDx_Dy
TMS320F28377S, TMS320F28376S, TMS320F28375S, TMS320F28374S
SPRS881A – AUGUST 2014 – REVISED JUNE 2015
5.9.5.1
SDFM Electrical Data and Timing
Table 5-61. SDFM Timing Requirements
MIN
MAX
UNIT
Mode 0
t
c(SDC)M0
Cycle time, SDx_Cy
45
256 * SYSCLK period
ns
t
w(SDCH)M0
Pulse duration, SDx_Cy high
10
t
c(SDC)M0
– 10
ns
t
su(SDDV-SDCH)M0
Setup time, SDx_Dy valid before SDx_Cy goes high
5
ns
t
h(SDCH-SDD)M0
Hold time, SDx_Dy wait after SDx_Cy goes high
5
ns
Mode 1
t
c(SDC)M1
Cycle time, SDx_Cy
90
256 * SYSCLK period
ns
t
w(SDCH)M1
Pulse duration, SDx_Cy high
20
t
c(SDC)M1
– 10
ns
t
su(SDDV-SDCL)M1
Setup time, SDx_Dy valid before SDx_Cy goes low
5
ns
t
su(SDDV-SDCH)M1
Setup time, SDx_Dy valid before SDx_Cy goes high
5
ns
t
h(SDCL-SDD)M1
Hold time, SDx_Dy wait after SDx_Cy goes low
5
ns
t
h(SDCH-SDD)M1
Hold time, SDx_Dy wait after SDx_Cy goes high
5
ns
Mode 2
t
c(SDD)M2
Cycle time, SDx_Dy
90
256 * SYSCLK period
ns
t
w(SDDH)M2
Pulse duration, SDx_Dy high
20
ns
Mode 3
t
c(SDC)M3
Cycle time, SDx_Cy
25
256 * SYSCLK period
ns
t
w(SDCH)M3
Pulse duration, SDx_Cy high
10
t
c(SDC)M3
– 5
ns
t
su(SDDV-SDCH)M3
Setup time, SDx_Dy valid before SDx_Cy goes high
5
ns
t
h(SDCH-SDD)M3
Hold time, SDx_Dy wait after SDx_Cy goes high
5
ns
Figure 5-44. SDFM Timing Diagram – Mode 0
Figure 5-45. SDFM Timing Diagram – Mode 1
Copyright © 2014–2015, Texas Instruments Incorporated
Specifications
123
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