ST72F321R6TC STMicroelectronics, ST72F321R6TC Datasheet - Page 159
![IC MCU 8BIT 32K FLASH 64-TQFP](/photos/6/76/67655/497-64-tqfp_sml.jpg)
ST72F321R6TC
Manufacturer Part Number
ST72F321R6TC
Description
IC MCU 8BIT 32K FLASH 64-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321AR7T6.pdf
(193 pages)
Specifications of ST72F321R6TC
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321R6TC
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 159 of 193
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12.9 CONTROL PIN CHARACTERISTICS
12.9.1 Asynchronous RESET Pin
Subject to general operating conditions for V
Notes:
1. Data based on characterization results, not tested in production.
2. Hysteresis voltage between Schmitt trigger switching levels.
3. The I
(I/O ports and control pins) must not exceed I
4. To guarantee the reset of the device, a minimum pulse has to be applied to the RESET pin. All short pulses applied on
the RESET pin with a duration below t
5. The reset network (the resistor and two capacitors) protects the device against parasitic resets, especially in noisy en-
vironments.
6. Data guaranteed by design, not tested in production.
t
w(RSTL)out
t
t
Symbol
h(RSTL)in
g(RSTL)in
R
V
V
V
V
I
hys
IO
OL
ON
IH
IL
IO
current sunk must always respect the absolute maximum rating specified in
Input low level voltage
Input high level voltage
Schmitt trigger voltage hysteresis
Output low level voltage
Input current on RESET pin
Weak pull-up equivalent resistor
Generated reset pulse duration
External reset pulse hold time
Filtered glitch duration
Parameter
1)
5)
1)
3)
h(RSTL)in
4)
VSS
2)
can be ignored.
.
DD
V
Stretch applied on
external pulse
Internal reset sources
, f
DD
CPU
=5V
Conditions
, and T
I
IO
=+2mA
A
ST72321Rx ST72321ARx ST72321Jx
unless otherwise specified.
0.85xV
Min
2.5
20
20
0
DD
Section 12.2.2
Typ
2.5
0.2
200
30
30
2
0.16xV
and the sum of I
Max
120
42
42
0.5
6)
6)
DD
159/193
Unit
mA
kΩ
μs
μs
μs
ns
V
V
IO
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