Linear Technology LTC6804-1 - Page 34

LTC6804-1/LTC6804-2
34
680412fc
For more information www.linear.com/LTC6804-1
operaTion
Figure 13. STCOMM Timing Diagram for a SPI Master
SDIOM (GPIO4)
680412 F13
SCKM (GPIO5)
CSBM HIGH/NO TRANSMIT
CSBM (GPIO3)
SDIOM
(GPIO4)
SCKM (GPIO5)
CSBM (GPIO3)
CSBM LOW CSBM
LOW ≥ HIGH
SDIOM
(GPIO4)
SCKM (GPIO5)
CSBM (GPIO3)
CSBM HIGH ≥ LOW CSBM
LOW
(SCK)
t
CLK
t
4
t
3
Figure 12. STCOMM Timing Diagram for an I
2
C Master
SDA (GPIO4)
680412 F12
SCL (GPIO5)
NO TRANSMIT
SDA (GPIO4)
SCL (GPIO5)
STOP
SDA (GPIO4)
SCL (GPIO5)
START ACK
SDA (GPIO4)
SCL (GPIO5)
START NACK + STOP
SDA (GPIO4)
SCL (GPIO5)
BLANK NACK
(SCK)
t
CLK
t
4
t
3