ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 3
ST7232AK2-Auto
Manufacturer Part Number
ST7232AK2-Auto
Description
8-bit MCU for automotive, 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST7232AK2-AUTO.pdf
(201 pages)
Specifications of ST7232AK2-Auto
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators and bypass for external clock
Four Power Saving Modes
halt, active halt, wait and slow
Main Clock Controller With
real time base, beep and clock-out capabilities
Two 16-bit Timers With
2 input captures, 2 output compares, PWM and pulse generator modes
- Current page: 3 of 201
- Download datasheet (4Mb)
ST7232Axx-Auto
7
8
9
6.5
6.6
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.1
8.2
8.3
8.4
I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
9.1
9.2
Reset sequence manager (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.5.1
6.5.2
6.5.3
6.5.4
System integrity management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Masking and processing flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.2.1
7.2.2
7.2.3
7.2.4
Interrupts and low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Concurrent and nested management . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Interrupt registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interrupt related instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
External interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
7.7.1
External interrupt control register (EICR) . . . . . . . . . . . . . . . . . . . . . . . . . 51
Nested interrupts register map and reset value . . . . . . . . . . . . . . . . . . . . 53
Interrupt mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Slow mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Wait mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Active halt and halt modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8.4.1
8.4.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Asynchronous external RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
External power on reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Internal watchdog reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Servicing pending interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Different interrupt vector sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Non-maskable sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Maskable sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
I/O port interrupt sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Active halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Contents
3/201
Related parts for ST7232AK2-Auto
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [RIPPLE-CARRY BINARY COUNTER/DIVIDERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [LIQUID-CRYSTAL DISPLAY DRIVERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
BOARD EVAL FOR MEMS SENSORS
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN TRANSISTOR POWER MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search -----> STE16N100
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search ---> STE53NA50
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN Transistor Power Module
Manufacturer:
STMicroelectronics
Datasheet: