ST72F561J6T6 STMicroelectronics, ST72F561J6T6 Datasheet - Page 159
![MCU 8BIT 32KB FLASH 44-LQFP](/photos/6/84/68458/497-44-tqfp_44-lqfp_sml.jpg)
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
- Current page: 159 of 265
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LINSCI™ SERIAL COMMUNICATION INTERFACE (LIN Master Only) (Cont’d)
10.8.4.4 Conventional Baud Rate Generation
The baud rates for the receiver and transmitter (Rx
and Tx) are set independently and calculated as
follows
:
with:
PR = 1, 3, 4 or 13 (see SCP[1:0] bits)
TR = 1, 2, 4, 8, 16, 32, 64, 128
(see SCT[2:0] bits)
RR = 1, 2, 4, 8, 16, 32, 64, 128
(see SCR[2:0] bits)
All these bits are in the SCIBRR register.
Example: If f
PR = 13 and TR = RR = 1, the transmit and re-
ceive baud rates are 38400 baud.
Note: The baud rate registers MUST NOT be
changed while the transmitter or the receiver is en-
abled.
10.8.4.5 Extended Baud Rate Generation
The extended prescaler option gives a very fine
tuning on the baud rate, using a 255 value prescal-
er, whereas the conventional Baud Rate Genera-
tor retains industry standard software compatibili-
ty.
The extended baud rate generator block diagram
is described in the
The output clock rate sent to the transmitter or to
the receiver is the output from the 16 divider divid-
ed by a factor ranging from 1 to 255 set in the SCI-
ERPR or the SCIETPR register.
Note: The extended prescaler is activated by set-
ting the SCIETPR or SCIERPR register to a value
Tx =
(16
f
CPU
*
PR)
CPU
*
TR
is 8 MHz (normal mode) and if
Figure
90.
Rx =
(16
f
CPU
*
PR)
*
RR
other than zero. The baud rates are calculated as
follows:
with:
ETPR = 1, ..., 255 (see SCIETPR register)
ERPR = 1, ..., 255 (see SCIERPR register)
10.8.4.6 Receiver Muting and Wake-up Feature
In multiprocessor configurations it is often desira-
ble that only the intended message recipient
should actively receive the full message contents,
thus reducing redundant SCI service overhead for
all non addressed receivers.
The non addressed devices may be placed in
sleep mode by means of the muting function.
Setting the RWU bit by software puts the SCI in
sleep mode:
All the reception status bits cannot be set.
All the receive interrupts are inhibited.
A muted receiver may be awakened by one of the
following two ways:
– by Idle Line detection if the WAKE bit is reset,
– by Address Mark detection if the WAKE bit is set.
Receiver wakes-up by Idle Line detection when
the Receive line has recognized an Idle Frame.
Then the RWU bit is reset by hardware but the
IDLE bit is not set.
Receiver wakes-up by Address Mark detection
when it received a “1” as the most significant bit of
a word, thus indicating that the message is an ad-
dress. The reception of this particular word wakes
up the receiver, resets the RWU bit and sets the
RDRF bit, which allows the receiver to receive this
word normally and to use it as an address word.
Tx =
16
*
ETPR*(PR*TR)
f
CPU
Rx =
16
*
ERPR*(PR*RR)
f
CPU
ST72561
159/265
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