ST72F561J6T6 STMicroelectronics, ST72F561J6T6 Datasheet - Page 24
ST72F561J6T6
Manufacturer Part Number
ST72F561J6T6
Description
MCU 8BIT 32KB FLASH 44-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F561K6T6.pdf
(265 pages)
Specifications of ST72F561J6T6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LINSCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
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
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LQFP
Processor Series
ST72F5x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
CAN, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
For Use With
497-8374 - BOARD DEVELOPMENT FOR ST72F561497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-5617
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F561J6T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
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ST72561
RESET SEQUENCE MANAGER (Cont’d)
The RESET pin is an asynchronous signal which
plays a major role in EMS performance. In a noisy
environment, it is recommended to follow the
guidelines mentioned in the electrical characteris-
tics section.
6.3.3 External Power-On RESET
If the LVD is disabled by option byte, to start up the
microcontroller correctly, the user must ensure by
means of an external reset circuit that the reset
signal is held low until V
level specified for the selected f
A proper reset signal for a slow rising V
can generally be provided by an external RC net-
work connected to the RESET pin.
Figure 14. RESET Sequences
24/265
WATCHDOG
RESET
EXTERNAL
RESET
SOURCE
RESET PIN
V
V
IT+(LVD)
IT-(LVD)
V
RUN
DD
DD
is over the minimum
ACTIVE PHASE
OSC
RESET
LVD
frequency.
DD
supply
RUN
t
h(RSTL)in
6.3.4 Internal Low Voltage Detector (LVD)
RESET
Two different RESET sequences caused by the in-
ternal LVD circuitry can be distinguished:
■
■
The device RESET pin acts as an output that is
pulled low when V
V
The LVD filters spikes on V
avoid parasitic resets.
6.3.5 Internal Watchdog RESET
The RESET sequence generated by a internal
Watchdog counter overflow is shown in
Starting from the Watchdog counter underflow, the
device RESET pin acts as an output that is pulled
low during at least t
DD
Power-On RESET
Voltage Drop RESET
WATCHDOG UNDERFLOW
PHASE
ACTIVE
EXTERNAL
< V
RESET
IT-
(falling edge) as shown in
INTERNAL RESET (256 or 4096 T
VECTOR FETCH
RUN
w(RSTL)out
DD
ACTIVE
PHASE
WATCHDOG
< V
RESET
t
DD
w(RSTL)out
IT+
.
larger than t
(rising edge) or
RUN
Figure
CPU
Figure
)
g(VDD)
3.
3.
to
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