Cirrus Logic CS5378 - Manual (Page 14)

CS5378
DS639F3 14
SWITCHING CHARACTERISTICS
Serial Configuration Interface Timing (External Master)
Parameter Symbol Min Typ Max Unit
MOSI Write Timing
SS:EECS Enable to Valid Latch Clock
t
1
60 - - ns
Data Set-up Time Prior to SCK Rising t
2
60 - - ns
Data Hold Time After SCK Rising t
3
120 - - ns
SCK High Time t
4
120 - - ns
SCK Low Time t
5
120 - - ns
SCK Falling Prior to SS:EECS Disable t
6
60 - - ns
MISO Read Timing
SCK Falling to New Data Bit
t
7
- - 60 ns
SCK High Time t
8
120 - - ns
SCK Low Time t
9
120 - - ns
SS:EECS Rising to MISO Hi-Z t
10
- - 150 ns
Figure 4. MOSI Write Timing in SPI Slave Mode
SSI
MOSI
SCLK
MSB MSB - 1 LSB
t
6
t
5
t
4
t
3
t
2
t
1
SCK
SS:EECS
Figure 5. MISO Read Timing in SPI Slave Mode
MISO
SCLK
MSB MSB - 1 LSB
t
10
t
9
t
8 t
7
SSI SS:EECS
SCK