Z51F3220FNX Datasheet, PDF (211/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
The next figure shows flow chart for handling slave transmitter function of I2C.
LOST&
IDLE
S or Sr
SLA+R
0x97
0x1F
ACK
Y
0x17
GCALL
DATA
Y
0x47
ACK
Y
N
0x46
0x22
STOP
P
IDLE
From master to slave /
Master command or Data Write
From slave to master
0xxx _{Value of Status Register}
ACK ^{Interrupt, SCL0 line is held low}
P Interrupt after stop command
LOST&
Arbitration lost as master and
addressed as slave
GCALL General Call Address
Figure 11.75 Formats and States in the Slave Transmitter Mode (USI0)
PS029902-0212
PRELIMINARY
209