serc816-tr STMicroelectronics, serc816-tr Datasheet - Page 11

• Manufacturer Part Number: serc816-tr
• Description: Sercos Interface Controller
• Manufacturer: STMicroelectronics

3.5.2 Clock Input SCLK
Figure 6. Timing of Clock SCLK
3.5.3 Address Latch
Figure 7. Address Latch
Symbol
Symbol
T
T
t
t
T
f
SCLK0
SCLK1
ALEHD
ALESU
SCLK
ALEW
t
DA
Clock frequency SCLK
PLL used (SBAUD16=0)
PLL unused (SBAUD16=1)
SCLK low
SCLK high
Pulse width ALEL, ALEH
Setup time D15-0 to falling edge ALEH, ALEL
hold time falling edge ALEH, ALEL to D15-0
Delay from D15-0 to A15-0
ALEH, ALEL
D15-0
A15-0
SCLK
Parameter
Parameter
1 / f
SCLK
t
ALEW
t
ALESU
t
DA
t
ALEHD
t
SCLK0
Min.
Min.
32
10
6
6
5
5
t
SCLK1
Typ.
Typ.
Max.
Max.
64
64
20
SERCON816
MHz
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
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