ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 192
ST72F521AR9TC
Manufacturer Part Number
ST72F521AR9TC
Description
IC MCU 8BIT 60K FLASH 64-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F521M9T6.pdf
(215 pages)
Specifications of ST72F521AR9TC
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
For Use With
497-6453 - BOARD EVAL BASED ON ST7LNBX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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ST72F521, ST72521B
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
The following table gives the values to be written in
the I2CCCR register to obtain the required I
SCL line frequency.
Table 28. SCL Frequency Table
Legend:
R
f
NA = Not achievable
Note:
– For speeds around 200 kHz, achieved speed can have ±5% tolerance
– For other speed ranges, achieved speed can have ±2% tolerance
The above variations depend on the accuracy of the external components used.
12.11.3 CAN - Controller Area Network Interface
Subject to general operating condition for V
Refer to I/O port characteristics for more details on the input/output alternate function characteristics
(CANTX and CANRX).
Notes:
1. Data based on simulation results, not tested in production
192/215
SCL
Symbol
t
P
p(RX:TX)
= External pull-up resistance
(kHz)
f
400
300
200
100
= I
SCL
50
20
2
C speed
CAN controller propagation time
R
P
=3.3kΩ
5Fh
83h
10h
24h
NA
NA
V
DD
Parameter
= 4.1 V
R
P
=4.7kΩ
5Fh
83h
10h
24h
NA
NA
f
CPU
=4 MHz.
R
P
1)
=3.3kΩ
83h
10h
24h
5Fh
NA
NA
V
DD
DD
, f
= 5 V
2
OSC
C
R
Conditions
P
=4.7kΩ
5Fh
83h
10h
24h
NA
NA
, and T
I2CCCR Value
A
R
unless otherwise specified.
P
=3.3kΩ
8Ah
4Ch
FFh
83h
85h
24h
V
DD
= 4.1 V
Min
R
P
=4.7kΩ
4Ch
85h
89h
23h
FFh
83
f
CPU
Typ
=8 MHz.
R
P
=3.3kΩ
8Ah
4Ch
FFh
83h
85h
24h
Max
V
60
DD
= 5 V
R
P
=4.7kΩ
4Ch
83h
85h
8Ah
23h
FFh
Unit
ns
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