ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 102

• Manufacturer Part Number: ST72344S4
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72344S4

• Up To 16 Kbytes Program Memory: single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• 256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
• 5 Power-saving Modes: Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
• 16-bit Timer A With: 1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
• 16-bit Timer B With: 2 input captures, 2 output compares, PWM and pulse generator modes

On-chip peripherals
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Figure 49. Output compare block diagram
Figure 50. Output compare timing diagram, f
Figure 51. Output compare timing diagram, f
16-bit
16 BIT FREE RUNNING
OC1R Register
OUTPUT COMPARE
16-bit
CIRCUIT
OC2R Register
OUTPUT COMPARE REGISTER i (OCRi)
OUTPUT COMPARE REGISTER i (OCRi)
COUNTER
16-bit
OUTPUT COMPARE FLAG i (OCFi)
OUTPUT COMPARE FLAG i (OCFi)
COMPARE REGISTER i LATCH
INTERNAL CPU CLOCK
INTERNAL CPU CLOCK
COUNTER REGISTER
COUNTER REGISTER
OCMPi PIN (OLVLi=1)
OCMPi PIN (OLVLi=1)
TIMER CLOCK
TIMER CLOCK
OC1E
Doc ID 12321 Rev 5
OCIE
OC2E
OCF1
FOLV2 FOLV1
2ECF
2ECF
(Control Register 2) CR2
(Control Register 1) CR1
TIMER
TIMER
OCF2
CC1
2ED0 2ED1 2ED2 2ED3 2ED4
2ED0 2ED1 2ED2 2ED3 2ED4
(Status Register) SR
OLVL2
CC0
= f
= f
0
CPU
CPU
2ED3
2ED3
0
/2
/4
OLVL1
0
ST72344xx ST72345xx
Latch
Latch
1
2
OCMP1
OCMP2
Pin
Pin