A n 9 3 – Silicon Laboratories SI2493/57/34/15/04 User Manual

Page 32

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A N 9 3

32

Rev. 1.3

Figure 11. EEPROM Serial I/O Timing

EESD tristated before last falling EECLK edge during read
cycle. Last positive half of EECLK cycle is extended to provide
both 500 ns minimum EOH and 100 ns EESD before EECLK
falling edge.

EOZ

100

ns

EECS disable time between accesses

ECSW

500

ns

EECS asserted after final EECLK edge

ECSH

1

µs

*Note:

EESD

output at negative EECLK edge

Table 28. EEPROM Timing

Parameter

Symbol

Min.

Typ.

Max.

Unit

ECLK

LSB

MSB

EISU

EOSU

EIH

EDH

ECSH

ECSW

EOZ

ECSS

EEPROM Data Format

EESD

EECS

8-bit instruction

16-bit address

8-bit data

EOH

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