ST72321AR9-Auto STMicroelectronics, ST72321AR9-Auto Datasheet - Page 155

• Manufacturer Part Number: ST72321AR9-Auto
• Description: 8-bit MCU for automotive with 60 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72321xx-Auto
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16.1
16.2
16.2.1
16.2.2
I
Introduction
The I
bus. It provides both multimaster and slave functions, and controls all I
sequencing, protocol, arbitration and timing. It supports fast I
Main features
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I
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C master features
C slave features
C bus interface (I2C)
Parallel-bus/I
Multimaster capability
7-bit/10-bit addressing
SMBus V1.1 compliant
Transmitter/Receiver flag
End-of-byte transmission flag
Transfer problem detection
Clock generation
I
Arbitration Lost flag
End of byte transmission flag
Transmitter/Receiver flag
Start bit detection flag
Start and Stop generation
Stop bit detection
I
Detection of misplaced start or stop condition
Programmable I
Transfer problem detection
End-of-byte transmission flag
Transmitter/Receiver flag
2
2
2
C bus interface serves as an interface between the microcontroller and the serial I
C bus busy flag
C bus busy flag
2
C protocol converter
2
C address detection
Doc ID 13829 Rev 1
2
C mode (400 kHz).
I2C bus interface (I2C)
2
C bus-specific
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C