ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 80

• 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

I/O ports
Caution:
80/247
Table 35.
In small packages, an internal pull-up is applied permanently to the non-bonded I/O pins. So
they have to be kept in input floating configuration to avoid unwanted consumption.
Table 36.
of all I/O port registers
Address
000Ah
000Bh
(Hex.)
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
Port C
Port D
Port A
Port B
Port E
Port F
Reset value
Port
Register
PBDDR
PCDDR
PDDDR
PADDR
Port configuration
I/O port register map and reset values
PCOR
PDOR
PBDR
PBOR
PCDR
PDDR
PADR
PAOR
label
PA7:6
PA5:4
PA3
PB3
PB4,
PB2:0
PC7:0
PD7:6
PD5:0
PE1
PE0
PF7:6, 4
PF2
PF1:0
Pin name
MSB
MSB
MSB
MSB
7
0
Doc ID 12321 Rev 5
OR = 0
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
6
0
floating
floating
Input
5
0
floating interrupt
floating interrupt
floating interrupt
floating interrupt
pull-up interrupt
pull-up interrupt
OR = 1
pull-up
pull-up
pull-up
pull-up
pull-up
4
0
3
0
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
OR = 0
ST72344xx ST72345xx
true open-drain
true open-drain
2
0
Output
1
0
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
OR = 1
LSB
LSB
LSB
LSB
0
0