micrf405 Micrel Semiconductor, micrf405 Datasheet - Page 8
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micrf405
Manufacturer Part Number
micrf405
Description
Micrf405 290mhz To 980mhz Ism Band Ask/fsk Transmitter
Manufacturer
Micrel Semiconductor
Datasheet
1.MICRF405.pdf
(46 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
micrf405YML
Manufacturer:
MICREL
Quantity:
20 000
April 2006
Programming Interface Timing
Figure 1 and Table 2 shows the timing specification
for the 3-wire serial programming interface.
Micrel
Symbol
Tper
Thigh
Tlow
Tfall
Trise
Tsenf
Tsenr
Twrite
Tread
Trdy
Thigh
Parameter
Min. period of SCK
Min. high time of SCK
Min. low time of SCK
Max. time of rising edge of SCK
Min. time of falling edge of SEN to falling edge of SCK
Min. delay from rising edge of SEN to rising edge of SCK
Min. delay from valid SIO to falling edge of SCK during a
write operation
Min. delay from rising edge of SCK to valid SIO during a read
operation (assuming load capacitance of SIO is 25pF)
Min. delay from falling edge of SCK (last bit of byte into data
buffer) to falling edge of RDY
Min. duration of a SEN high pulse
(Fphd is the phase detector frequency)
Time from power up to first falling edge of SEN
Max. time of falling edge of SCK
Table 2. Timing Specification for the 3-wire Programming Interface.
Figure 1. Programming Interface Timing.
8
1/Fphd
Min.
50
20
20
75
20
0
5
0
Values
Typ.
Max.
3.5
1
1
MICRF405
(408) 955-1690
M9999-041906
Units
ms
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns