ST72321BXXX-AUTO View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72321BXXX-AUTO

8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface

STMicroelectronics 

ST72321Bxxx-Auto

Introduction

1.2.2

11. Table 144: Package selection (OPT7) on page 230: Removed K version

12. ST72321B-Auto MIcrocontroller FASTROM/ROM Option List on page 236:

– updated to include only automotive devices

– added notes 1 and 2 to PLL option

– added caution about readout protection binary value being inverted between ROM

and Flash products

Minor content differences

1. ST72321Bxxx-Auto on page 1:

– changed document title and description

– removed LQFP32 package outline

2. Features on page 1:

– modified data retention in Memories

– replaced ‘up to 16 robust input ports’ with ‘up to 16 input ports’ in 1 analog

peripheral (low current coupling)

– removed Instruction set from list

– modified Development tools list

3. Section 1.1: Description on page 18: Edited content

4. Figure 3: 44-pin LQFP package pinout on page 27:

– added Note 1 for pin 22

– aligned names of pins 2, 3, 4, 5 and 6 to those in Table 2

5. Section 2.1: Package pinout: Removed figure 32-pin LQFP package pinout

6. Table 8: Interrupt software priority selection on page 42

– - removed footnote link from PA6 and PA7 alternate functions cells

– - linked Note 1 to unbonded I/O pins in LQFP44 column

– - defined pin EVD as type ‘I’ and as input level ‘A’

7. Table 8: Interrupt software priority selection on page 42: Added ‘level’ column

8. Section 9.3: I/O port implementation on page 79: Removed following five tables:

– Standard ports PA5:4, PC7:0, PD7:0, PE7:3, PE1:0, PF7:3

– Interrupt ports PA2:0, PB6:5, PB4, PB2:0, PF1:0 (with pull-up)

– Interrupt ports PA3, PB7, PB3, PF2 (without pull-up)

– True open drain ports PA7:6

– Pull-up input port PE2 (configurations already exist in Table 30: I/O port

configuration on page 79)

9. Master mode operation on page 129: Modified text concerning SPI operation

10. Section 17.3.2: Starting the conversion on page 178: Replaced ‘A read to the ADCDRH

resets the EOC bit’ with ‘A read to the ADCDRH or a write to any bit of the ADCCSR

register resets the EOC bit’

11. Table 106: General operating conditions on page 193:

– modified TA conditions to include only automotive temperature versions

– added Note 1

12. Table 115: Crystal and ceramic resonator oscillators on page 200:

– modified Note 2

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