ST72324BK4-Auto STMicroelectronics, ST72324BK4-Auto Datasheet - Page 45
ST72324BK4-Auto
Manufacturer Part Number
ST72324BK4-Auto
Description
8-bit MCU for automotive, 3.8 to 5.5V operating range with 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72324BJ2-AUTO.pdf
(198 pages)
Specifications of ST72324BK4-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
7.5
7.5.1
Figure 19. Nested interrupt management
Interrupt registers
CPU CC register interrupt bits
Table 15.
Table 16.
1. TRAP and RESET events can interrupt a level 3 program.
These two bits indicate the current interrupt software priority (see
set/cleared by hardware when entering in interrupt. The loaded value is given by the
corresponding bits in the interrupt software priority registers (ISPRx).
CPU CC
Level 0 (main)
Level 1
Level 2
Level 3 (= interrupt disable)
Bit Name
5
3
R/ W
7
1
I1
I0
Interrupt software priority
Software Interrupt Priority 1
Software Interrupt Priority 0
CPU CC register interrupt bits description
Interrupt software priority levels
11 / 10
R/ W
Main
RIM
6
1
IT2
(1)
IT1
R/ W
I1
5
Doc ID13466 Rev 4
IT4
TRAP
R/ W
H
4
IT4
IT0
Function
IT3
R/ W
I0
3
IT1
Level
High
Low
IT2
10
R/ W
N
2
Main
Software
priority
level
Reset value: 111x 1010(xAh)
Table
I1
1
0
0
1
3
3
2
1
3
3
3/0
16) and are
R/ W
1
Z
I1
1 1
1 1
0 0
0 1
1 1
1 1
Interrupts
I0
I0
R/ W
0
1
0
1
C
0
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