ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 79

• 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

ST72344xx ST72345xx
10.5.1
I/O port implementation
The I/O port register configurations are summarized as follows.
Standard ports: PA[5:4], PC[7:0], PD[5:0], PE0, PF[7:6], PF4
Table 31.
Interrupt ports: PB4, PB[2:0], PF[1:0] (with pull-up)
Table 32.
PA3, PE1, PB3, PF2 (without pull-up)
Table 33.
True open-drain ports: PA[7:6], PD[7:6]
Table 34.
floating input
pull-up input
open drain output
push-pull output
floating input
pull-up interrupt input
open drain output
push-pull output
floating input
floating interrupt input
open drain output
push-pull output
floating input
open drain (high sink ports)
I/O port register configurations (standard ports)
I/O port register configurations (interrupt ports with pull-up)
I/O port register configurations (interrupt ports without pull-up)
I/O port register configurations (true open drain ports)
Mode
Mode
Mode
Doc ID 12321 Rev 5
Mode
DDR
DDR
DDR
0
0
1
1
0
0
1
1
0
0
1
1
DDR
OR
OR
OR
I/O ports
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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