ST72324BK6-Auto STMicroelectronics, ST72324BK6-Auto Datasheet - Page 3
ST72324BK6-Auto
Manufacturer Part Number
ST72324BK6-Auto
Description
8-bit MCU for automotive, 3.8 to 5.5V operating range with 32 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72324BJ2-AUTO.pdf
(198 pages)
Specifications of ST72324BK6-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and external clock input
4 Power Saving Modes
Slow, Wait, Active Halt, and Halt
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ST72324B-Auto
7
8
9
6.4
6.5
6.6
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.1
7.2
7.3
7.4
7.5
7.6
Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
8.1
8.2
8.3
8.4
I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.3.3
Reset sequence manager (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.4.1
System integrity management (SI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.5.1
6.5.2
6.5.3
6.5.4
SI registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.6.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Masking and processing flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.2.1
7.2.2
7.2.3
7.2.4
Interrupts and low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Concurrent and nested management . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Interrupt registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.5.1
7.5.2
External interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.6.1
7.6.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Slow mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Wait mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Active Halt and Halt modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.4.1
8.4.2
Internal RC oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Asynchronous external RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
LVD (low voltage detector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
AVD (auxiliary voltage detector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
System integrity (SI) control/status register (SICSR) . . . . . . . . . . . . . . . 39
Servicing pending interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Different interrupt vector sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Non-maskable sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Maskable sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
CPU CC register interrupt bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Interrupt software priority registers (ISPRx) . . . . . . . . . . . . . . . . . . . . . . 46
I/O port interrupt sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
External interrupt control register (EICR) . . . . . . . . . . . . . . . . . . . . . . . . 49
Active Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
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