Z8F4822AR020SG Datasheet, PDF (149/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

SDA
SCL
Baud Rate Generator
I²CBRH
I²CBRL
Z8 Encore! XP^® F64xx Series
Product Specification
129
ISHIFT
Shift
Load
I²CDATA
Receive
Tx/Rx State Machine
I²CCTL
I²CSTAT
I²C Interrupt
Register Bus
Figure 27. I²C Controller Block Diagram
Operation
The I²C Controller operates in MASTER Mode to transmit and receive data. Only a single
master is supported. Arbitration between two masters must be accomplished in software.
I²C supports the following operations:
• Master transmits to a 7-bit slave
• Master transmits to a 10-bit slave
• Master receives from a 7-bit slave
• Master receives from a 10-bit slave
PS019924-0113
PRELIMINARY
Operation