ST72F321BAR6TARE datasheet, PDF

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ST72F321BAR6TARE: Description8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface; CategoryThe embedded processor and controller Microcontrollers and processors; File Size2MB，247 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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ST72F321BAR6TARE Overview

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

ST72F321BAR6TARE Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	QFP
package instruction	10 X 10 MM, ROHS COMPLIANT, LQFP-64
Contacts	64
Reach Compliance Code	compli
Has ADC	YES
Address bus width
bit size	8
CPU series	ST72
maximum clock frequency	16 MHz
DAC channel	YES
DMA channel	NO
External data bus width
JESD-30 code	S-PQFP-G64
length	10 mm
Number of I/O lines	48
Number of terminals	64
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
PWM channel	YES
Package body material	PLASTIC/EPOXY
encapsulated code	LFQFP
Encapsulate equivalent code	QFP64,.47SQ,20
Package shape	SQUARE
Package form	FLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3/5 V
Certification status	Not Qualified
RAM (bytes)	1024
rom(word)	32768
ROM programmability	FLASH
Maximum seat height	1.6 mm
speed	8 MHz
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER

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ST72321Bxxx-Auto

8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM,

ADC, 5 timers, SPI, SCI, I2C interface

Features

Memories

■

32 to 60 Kbyte dual voltage High Density Flash

(HDFlash) ROM with readout protection

capability. In-application programming and in-

circuit programming for HDFlash devices

■

1 to 2 Kbyte RAM

■

HDFlash endurance: 100 cycles, data retention

20 years

LQFP64

10 x 10

LQFP64

14 x 14

LQFP44

10 x 10

Up to 48 I/O ports

■

Clock, reset and supply management

■

48/32/24 multifunctional bidirectional I/O lines

■

34/22/17 alternate function lines

■

16/12/10 high sink outputs

Enhanced low voltage supervisor (LVD) for

main supply and auxiliary voltage detector

(AVD) with interrupt capability

■

Clock sources: crystal/ceramic resonator

oscillators, internal RC oscillator and bypass

for external clock

■

PLL for 2x frequency multiplication

■

4 power saving modes: Halt, Active Halt, Wait

and Slow

5 timers

■

Interrupt management

■

Nested interrupt controller

■

14 interrupt vectors plus TRAP and RESET

■

Top Level Interrupt (TLI) pin on 64-pin devices

■

15/9 external interrupt lines (on 4 vectors)

Main clock controller with Real-time base,

Beep and Clock-out capabilities

■

Configurable watchdog timer

■

Two 16-bit timers with 2 input captures, 2

output compares, external clock input on 1

timer, PWM and pulse generator modes

■

8-bit PWM auto-reload timer with 2 input

captures, 4 PWM outputs, output compare and

time base interrupt, external clock with event

detector

3 communications interfaces

■

1 analog peripheral (low current coupling)

■

SPI synchronous serial interface

■

SCI asynchronous serial interface

■

I C multimaster interface

10-bit ADC with up to 16 input ports

Development tools

■

Full HW/SW development pkg, ICT capability

Table 1.

Device summary

Prog. memory

Flash/ROM

60 Kbytes

Flash/ROM

48 Kbytes

Flash/ROM

32 Kbytes

RAM (stack)

2048 (256)

bytes

1536 (256)

bytes

1024 (256)

bytes

3.8 to 5.5V

Up to

-40 to 125°C

Oper. voltage Temp. range

Package

LQFP64

LQFP44

LQFP64

LQFP44

LQFP64

LQFP44

14x14

10x10

14x14

10x10

14x14

10x10

Device

ST72321BR9-Auto

ST72321BAR9-Auto

ST72321BJ9-Auto

ST72321BR7-Auto

ST72321BAR7-Auto

ST72321BJ7-Auto

ST72321BR6-Auto

ST72321BAR6-Auto

ST72321BJ6-Auto

October 2007

Rev 1

1/247

www.st.com

Contents

ST72321Bxxx-Auto

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.1

1.2

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Differences between ST72321B-Auto and ST72321B datasheets . . . . . . 20

1.2.1

1.2.2

1.2.3

Principal differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Minor content differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Editing and formatting differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Package pinout and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.1

2.2

Package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Flash program memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.3.1

Readout protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

ICC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

ICP (in-circuit programming) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

IAP (in-application programming) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Related documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Flash control/status register (FCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Central processing unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.1

5.2

5.3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

CPU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.3.1

5.3.2

5.3.3

5.3.4

5.3.5

Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Index registers (X and Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Program counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Condition code (CC) register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Stack pointer (SP) register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2/247

ST72321Bxxx-Auto

Contents

Supply, reset and clock management . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.1

6.2

6.3

6.4

6.5

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Phase locked loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Multi-oscillator (MO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Reset sequence manager (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.5.1

6.5.2

6.5.3

6.5.4

6.5.5

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Asynchronous external RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

External power-on RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Internal low voltage detector (LVD) RESET . . . . . . . . . . . . . . . . . . . . . . 48

Internal watchdog RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.6

System integrity management (SI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.6.1

6.6.2

6.6.3

6.6.4

6.6.5

Low voltage detector (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Auxiliary voltage detector (AVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

System Integrity (SI) Control/Status register (SICSR) . . . . . . . . . . . . . . 53

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

7.1

7.2

7.3

7.4

7.5

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Masking and processing flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Interrupts and low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Concurrent and nested management . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Interrupt register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

7.5.1

7.5.2

CPU CC register interrupt bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Interrupt software priority registers (ISPRx) . . . . . . . . . . . . . . . . . . . . . . 60

7.6

External interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

7.6.1

7.6.2

I/O port interrupt sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

External interrupt control register (EICR) . . . . . . . . . . . . . . . . . . . . . . . . 64

Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

8.1

8.2

8.3

8.4

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Slow mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Wait mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Active Halt and Halt modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

3/247

Contents

8.4.1

8.4.2

ST72321Bxxx-Auto

Active Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

9.1

9.2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

9.2.1

9.2.2

9.2.3

Input modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Output modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

9.3

9.4

9.5

I/O port implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Watchdog timer (WDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

How to program the watchdog timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Hardware watchdog option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Using Halt mode with the WDG (WDGHALT option) . . . . . . . . . . . . . . . . 85

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

10.9.1

Control register (WDGCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Main clock controller with real-time clock and beeper (MCC/RTC) . . 87

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Programmable CPU clock prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Clock-out capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Real-time clock timer (RTC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Beeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Main clock controller registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

11.8.1

MCC control/status register (MCCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . 89

4/247

ST72321Bxxx-Auto

11.8.2

Contents

MCC beep control register (MCCBCR) . . . . . . . . . . . . . . . . . . . . . . . . . 90

PWM auto-reload timer (ART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

12.1

12.2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

12.2.1

12.2.2

12.2.3

12.2.4

12.2.5

12.2.6

12.2.7

12.2.8

12.2.9

Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Counter clock and prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Counter and prescaler initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Output compare control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Independent PWM signal generation . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Output compare and time base interrupt . . . . . . . . . . . . . . . . . . . . . . . . 95

External clock and event detector mode . . . . . . . . . . . . . . . . . . . . . . . . 95

Input capture function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

External interrupt capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

12.3

ART registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

12.3.1

12.3.2

12.3.3

12.3.4

12.3.5

12.3.6

12.3.7

Control/status register (ARTCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Counter access register (ARTCAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Auto-reload register (ARTARR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

PWM control register (PWMCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Duty cycle registers (PWMDCRx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Input capture control / status register (ARTICCSR) . . . . . . . . . . . . . . . 101

Input capture registers (ARTICRx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

16-bit timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

13.1

13.2

13.3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

13.3.1

13.3.2

13.3.3

13.3.4

13.3.5

13.3.6

13.3.7

Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

External clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Input capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Output compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Forced compare output capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

One Pulse mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Pulse width modulation mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

13.4

13.5

Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

5/247

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About the selection of DIY S5pv210 movable 7-inch capacitive screen——please be sure to participate in the DIY activity of tongz: [size=14px][font=lucida Grande, Verdana][color=#000000]A friend on the forum recommended me one that costs about 50 RMB and has five-point touch.[/color][/font][/size] The learning requirements are no...; gooogleman Embedded System

Nucleo-L053R8 Development Board First Use: It's been a while since I got the board, but I haven't had time to learn it. I happened to have nothing to do during the National Day holiday, so I came to learn it... This is also the first time I kn...; 水清波 MCU

【XMC4800 Relax EtherCAT Kit Review】+ Getting Started with DAVE, Modbus Bus Comprehensive Application: [align=left][color=rgb(0, 0, 0)][font=Calibri, sans-serif][size=10.5pt]Chinese New Year is coming soon. I wish all my friends a happy Year of the Pig and good luck in everything! [/size][/font][/color...; flyword Industrial Control Electronics

About Infineon XC2765 SPI: [color=#333333][font=arial, Simsun, 宋体][size=12px]Does anyone have any information about SPI? ? DAvE configuration + TASKING programming is best! ! ! Thank you all! ! ! [/size][/font][/color]...; 1157421908 Automotive Electronics

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