Z51F3220FNX Datasheet, PDF (291/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

14.2.2 Packet Transmission Timing
14.2.2.1 Data Transfer
Z51F3220
Product Specification
DSDA
LSB
acknowledgement
signal from receiver
LSB
acknowledgement
signal from receiver
DSCL
St
START
1
10
ACK
1
10
ACK
Figure 14.3 Data Transfer on the Twin Bus
14.2.2.2 Bit Transfer
Sp
STOP
DSDA
DSCL
data line
stable:
data valid
except Start and Stop
change
of data
allowed
Figure 14.4 Bit Transfer on the Serial Bus
PS029902-0212
PRELIMINARY
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