W99681CF Datasheet, PDF (76/78 Pages) Winbond – JPEG USB Dual Mode Camera Chip

W99681CF
9.3.7 Microcontroller Interface AC Characteristics
ALE
A[15:8]
AD[7:0]
RD#
AD[7:0]
WR#
T_AS T_AH
A[7:0]
T_DAR
T_DDA
D[7:0]
T_RDH
A[7:0]
T_DAW
T_RD
D[7:0]
T_WR
T_WDH
Figure 9.11 Microcontroller Interface Timing
Table 9.10 Microcontroller Interface AC Characteristics
Symbol Parameter
Conditions
T_AS
T_AH
T_DAR
T_DDA
T_RDH
T_RD
T_DAW
T_WDH
T_WR
Address Set-up Time
Address Hold Time
ALE Low to RD# Low
RD# Low to Data Valid
Read Data Hold Time
RD# Pulse Width
ALE Low to WR# Low
Write Data Hold Time
WR# Pulse Width
Min.
5
5
10
3
2 T_MCLK
10
5
2 T_MCLK
Max.
T_MCLK + 5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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