ST72321AR9-Auto STMicroelectronics, ST72321AR9-Auto Datasheet - Page 107
ST72321AR9-Auto
Manufacturer Part Number
ST72321AR9-Auto
Description
8-bit MCU for automotive with 60 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
Manufacturer
STMicroelectronics
Datasheet
1.ST72321R9-AUTO.pdf
(243 pages)
Specifications of ST72321AR9-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt, Wait and Slow
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ST72321xx-Auto
Figure 48. Output compare block diagram
16-bit
OC1R Register
16-BIT FREE RUNNING
OUTPUT COMPARE
16-bit
COUNTER
CIRCUIT
OC2R Register
Figure 49. Output compare timing diagram, f
Figure 50. Output compare timing diagram, f
16-bit
OUTPUT COMPARE REGISTER i (OCRi)
OUTPUT COMPARE REGISTER i (OCRi)
OUTPUT COMPARE FLAG i (OCFi)
OUTPUT COMPARE FLAG i (OCFi)
OC1E
INTERNAL CPU CLOCK
INTERNAL CPU CLOCK
OCMPi PIN (OLVLi = 1)
COUNTER REGISTER
OCMPi PIN (OLVLi = 1)
COUNTER REGISTER
OC2E
OCF1
OCIE
Doc ID 13829 Rev 1
TIMER CLOCK
TIMER CLOCK
FOLV2 FOLV1
OCF2
CC1
2ECF
2ECF
(Control Register 1) CR1
(Control Register 2) CR2
TIMER
TIMER
OLVL2
2ED0 2ED1 2ED2 2ED3 2ED4
2ED0 2ED1 2ED2 2ED3 2ED4
CC0
(Status Register) SR
0
= f
= f
0
CPU
CPU
2ED3
2ED3
OLVL1
/2
/4
0
Latch
Latch
1
2
16-bit timer
OCMP1
OCMP2
107/243
pin
pin
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