ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 222

• 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

Electrical characteristics
13.10
13.10.1
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Figure 114. Typical V
Control pin characteristics
Asynchronous RESET pin
T
Table 109. Asynchronous RESET pin characteristics
1. Data based on characterization results, not tested in production.
2. The I
3. The R
4. To guarantee the reset of the device, a minimum pulse has to be applied to the RESET pin. All short pulses
A
t
w(RSTL)out
t
t
Symbol
h(RSTL)in
g(RSTL)in
200
160
120
= -40 °C to 85 °C, unless otherwise specified.
characteristics
between V
applied on RESET pin with a duration below t
80
40
V
R
V
V
0
V
hys
OL
ON
IH
IL
IO
ON
2.5
current sunk must always respect the absolute maximum rating specified in
pull-up equivalent resistor is based on a resistive transistor. Specified for voltages on RESET pin
ILmax
Input low level voltage
Input high level voltage
Schmitt trigger voltage
hysteresis
Output low level voltage
Pull-up equivalent resistor
(3)(1)
Generated reset pulse
duration
External reset pulse hold
time
Filtered glitch duration
and the sum of I
3
and V
(4)
Parameter
Ilo (mA)
DD
3.5
(1)
DD
– V
IO
4
OH
(I/O ports and control pins) must not exceed I
Doc ID 12321 Rev 5
vs. V
25°C
90°C
130°C
-45°C
(2)
5
DD
V
Internal reset sources
h(RSTL)in
DD
(high sink)
= 5 V
Conditions
V
V
DD
DD
can be ignored.
= 5 V
= 3 V
I
I
IO
IO
500
400
300
200
100
0
= +5 mA
= +2 mA
2.5
25°C
90°C
130°C
-45°C
V
0.7V
ss
14
12
3
Min
20
40
- 0.3
(1)
(1)
DD
VSS
ST72344xx ST72345xx
Ilo (mA)
3.5
.
Table 85: Current
Typ
200
0.5
0.2
40
70
32
2
4
V
0.3V
DD
Max
120
1.0
0.4
80
+ 0.3
DD
5
Unit
kΩ
µs
µs
ns
V
V
V