ST72324BK6-Auto STMicroelectronics, ST72324BK6-Auto Datasheet - Page 72
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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Table 39.
Table 40.
6:5 CP[1:0]
3:2
Bit
.
4
1
0
TB[1:0]
Counter prescaler
Name
SMS
OIE
OIF
200000
16000
32000
80000
MCCSR register description (continued)
Time base selection
CPU Clock Prescaler
Slow Mode Select
Time Base control
Oscillator interrupt Enable
Oscillator interrupt Flag
These bits select the CPU clock prescaler which is applied in different slow modes.
Their action is conditioned by the setting of the SMS bit. These two bits are set and
cleared by software:
00: f
01: f
10: f
11: f
This bit is set and cleared by software.
0: Normal mode. f
1: Slow mode. f
See
clock and beeper (MCC/RTC)
These bits select the programmable divider time base. They are set and cleared by
software (see
end of the current period (previously set) to avoid an unwanted time shift. This
allows to use this time base as a real-time clock.
This bit set and cleared by software.
0: Oscillator interrupt disabled
1: Oscillator interrupt enabled
This interrupt can be used to exit from Active Halt mode. When this bit is set, calling
the ST7 software HALT instruction enters the Active Halt power saving mode
This bit is set by hardware and cleared by software reading the MCCSR register. It
indicates when set that the main oscillator has reached the selected elapsed time
(TB1:0).
0: Timeout not reached
1: Timeout reached
Caution: The BRES and BSET instructions must not be used on the MCCSR
register to avoid unintentionally clearing the OIF bit.
CPU
CPU
CPU
CPU
Section 8.2: Slow mode
in Slow mode = f
in Slow mode = f
in Slow mode = f
in Slow mode = f
Table
CPU
Doc ID13466 Rev 4
CPU
is given by CP1, CP0.
40). A modification of the time base is taken into account at the
f
OSC2
= f
20ms
50ms
OSC2
4ms
8ms
OSC2
OSC2
OSC2
OSC2
= 4 MHz
and
.
for more details.
/2
/4
/8
/16
Section 10.2: Main clock controller with real-time
Time base
Function
f
OSC2
10ms
25ms
2ms
4ms
= 8 MHz
ST72324B-Auto
TB1
0
0
1
1
.
TB0
0
1
0
1
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