ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 21

• 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
Table 3.
10 25 28 PC2 (HS)/ICAP2_B
11 26 29 PC3 (HS)/ICAP1_B
12 27 30 PC4/MISO/ICCDATA
13 28 31 PC5/MOSI/AIN14
14 29 32 PC6/SCK/ICCCLK
15 30 33 PC7/SS/AIN15
16 31 34 PA3 (HS)
17 34 39 PA4 (HS)
18 36 41 PA6 (HS)/SDA
19 37 42 PA7 (HS)/SCL
20 38 43 ICCSEL
21 39 44 RESET
22 40 45 V
23 41 46 OSC2
24 42 47 OSC1
25 43 48 V
26 44
-
-
-
-
-
Pin n°
32 35 V
33 36 V
35 40 PA5 (HS)
-
-
37 PD7
38 PD6
1 PE0/TDO
Device pin description (continued)
DD_1
SS_1
SS_2
DD_2
(3)
(3)
(2)
(2)
(2)
(2)
/ SCL3SNS
/ SDA3SNS
Pin name
(5)
(3)
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
O
S
S
S
S
I
I
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Doc ID 12321 Rev 5
HS X
HS X
HS X
HS X
HS X
HS X
HS X
HS X
HS X
X
X
X
X
X
Input
X
X
X
X
X
X
X
X
X
ei0
(1)
Port
X
X
Output
(4)
X
X
X
X
X
X
X
T
T
X
X
T
T
X
X Port C2
X Port C3
X Port C4
X Port C5
X Port C6
X Port C7
X Port A3
X Port A4
X Port A5
X Port E0
Digital main supply voltage
Digital ground voltage
Port D7
Port D6
Port A6
Port A7
ICC mode selection
Top priority non maskable
interrupt.
Digital ground voltage
Resonator oscillator inverter
output
External clock input or resonator
oscillator inverter input
Digital main supply voltage
function
reset)
(after
Main
Timer B input capture
2
Timer B input capture
1
SPI Master
In / Slave
Out data
SPI Master
Out / Slave
In data
SPI serial
clock
SPI slave
select
(active
low)
I2C3SNS serial clock
I2C3SNS serial data
I2C serial data
I2C serial clock
SCI transmit data out
Alternate function
Pin description
ICC data
input
ADC
analog
input 14
ICC
clock
output
ADC
analog
input 15
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