ST72324BK4-Auto STMicroelectronics, ST72324BK4-Auto Datasheet - Page 70
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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On-chip peripherals
10.2.2
Caution:
10.2.3
10.2.4
70/198
Clock-out capability
The clock-out capability is an alternate function of an I/O port pin that outputs the f
to drive external devices. It is controlled by the MCO bit in the MCCSR register.
When selected, the clock out pin suspends the clock during Active Halt mode.
Real-time clock (RTC) timer
The counter of the real-time clock timer allows an interrupt to be generated based on an
accurate real-time clock. Four different time bases depending directly on f
The whole functionality is controlled by four bits of the MCCSR register: TB[1:0], OIE and
OIF.
When the RTC interrupt is enabled (OIE bit set), the ST7 enters Active Halt mode when the
HALT instruction is executed. See
more details.
Beeper
The beep function is controlled by the MCCBCR register. It can output three selectable
frequencies on the Beep pin (I/O port alternate function).
Figure 33. Main clock controller (MCC/RTC) block diagram
f
OSC2
MCCBCR
MCCSR
Div 2, 4, 8, 16
MCO
CP1 CP0
Div 64
Doc ID13466 Rev 4
SMS
1
0
Section 8.4: Active Halt and Halt modes on page
12-bit MCC RTC
TB1 TB0 OIE OIF
Beep signal
selection
BC1 BC0
counter
MCC/RTC interrupt
f
CPU
Watchdog
timer
To
OSC2
ST72324B-Auto
to CPU and
Beep
MCO
peripherals
CPU clock
are available.
CPU
54for
clock
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