TOOLSTICK381DC Silicon Laboratories Inc, TOOLSTICK381DC Datasheet - Page 32

• Manufacturer Part Number: TOOLSTICK381DC
• Description: TOOLSTICK DAUGHTER CARD
• Manufacturer: Silicon Laboratories Inc
• Series: ToolStickr

Specifications of TOOLSTICK381DC

• Processor To Be Evaluated: C8051F380
• Processor Series: C8051F38x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-2020

32

Write: Slave Receiver
Transmitted by the SMBus Slave
First byte transfer the device is the slave receiver for the address and
direction bit

Start
The device continues to be the receiver and generates the interrupt based on the
hardware acknowledgement bit (EHACK)
Received by SMBus Slave
Slave Address
•EHACK = 1 then interrupts occur after the ACK/NAK
•EHACK = 0 then interrupts occur before the ACK/NAK period and firmware must
write the desired value to the ACK bit
W
A
Slave Write Interrupt Generation
Data Byte
A
Data Byte
A
Stop
Interrupts generated
Interrupts generated
with EHACK = 1
with EHACK = 0