z8fmc16100 ZiLOG Semiconductor, z8fmc16100 Datasheet - Page 181

• Manufacturer Part Number: z8fmc16100
• Description: Z8 Encore Motor Control Flash Mcus
• Manufacturer: ZiLOG Semiconductor

PS024611-0408
S
Address
Slave
Figure 28. Data Transfer Format—Master Write Transaction with a 7-Bit Address
The transaction field labels are defined as follows:
Master Write Transaction with a 7-Bit Address
Figure 28
The procedure for a master transmit operation to a 7-bit addressed slave is as follows:
1. The software initializes the
2. The software asserts the
3. The I
4. The software responds to the TDRE bit by writing a 7-bit slave address plus the Write
5. The software sets the
6. The I
7. The I
8. After one bit of the address has been shifted out by the SDA signal, the transmit
9. The software responds by writing the transmit data into the I
10. The I
S
W
A
A
P
mode with either a 7- or 10-bit slave address. The
for this mode when addressed as a slave (but not for the remote slave). The software
asserts the IEN bit in the I
interrupts.
bit (which is cleared to 0) to the I
register.
interrupt asserts.
SDA signal.
Start
Write
Acknowledge
Not Acknowledge
Stop
W = 0
2
2
2
2
displays the data transfer format from a master to a 7-bit addressed slave.
C interrupt asserts, because the I
C controller sends a
C controller loads the I
C controller shifts the remainder of the address and the Write bit out via the
A
START
Data
TXI
2
START
C Control register.
MODE
bit of the I
bit of the I
2
C Shift register with the contents of the I
A
2
field in the I
C Data register.
condition to the I
2
2
C Data register is empty.
2
C Control register.
C Control register to enable transmit
Data
2
C Mode register for MASTER/SLAVE
MODE
2
A
C slave.
field selects the address width
Product Specification
Data
2
C Data register.
Master Transactions
2
A/A
C Data
P/S
169