ST72561J9-Auto STMicroelectronics, ST72561J9-Auto Datasheet - Page 3
ST72561J9-Auto
Manufacturer Part Number
ST72561J9-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST72561R9-AUTO.pdf
(324 pages)
Specifications of ST72561J9-Auto
Hdflash Endurance
100 cycles, data retention 20 years at 55 °C
5 Power Saving Modes
halt, auto wake up from halt, active halt, wait and slow
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ST72561-Auto
6
7
8
5.6
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.1
6.2
6.3
6.4
6.5
6.6
Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
7.1
7.2
7.3
7.4
7.5
7.6
I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
8.1
8.2
5.5.2
5.5.3
5.5.4
5.5.5
System integrity management (SI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Masking and processing flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Interrupts and low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Concurrent & nested management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Interrupt register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
6.5.1
6.5.2
External interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.6.1
6.6.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Slow mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Wait mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Active halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Auto wake-up from halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
7.6.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
8.2.1
Asynchronous external RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
External power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Internal low voltage detector (LVD) reset . . . . . . . . . . . . . . . . . . . . . . . . 44
Internal watchdog reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Low voltage detector (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Auxiliary voltage detector (AVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
CPU CC register interrupt bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Interrupt software priority registers (ISPRX) . . . . . . . . . . . . . . . . . . . . . 55
I/O port interrupt sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Input modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Doc ID 12370 Rev 8
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