ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 122
![IC MCU 8BIT 60K FLASH 64-TQFP](/photos/6/76/67655/497-64-tqfp_sml.jpg)
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
I
10.7.5 Low Power Modes
10.7.6 Interrupts
Figure 67. Event Flags and Interrupt Generation
Note: The I
the same interrupt vector (see Interrupts chapter).
They generate an interrupt if the corresponding
Enable Control Bit is set and the I-bit in the CC reg-
ister is reset (RIM instruction).
122/215
2
WAIT
HALT
10-bit Address Sent Event (Master mode)
End of Byte Transfer Event
Address Matched Event (Slave mode)
Start Bit Generation Event (Master mode)
Acknowledge Failure Event
Stop Detection Event (Slave mode)
Arbitration Lost Event (Multimaster configuration)
Bus Error Event
C BUS INTERFACE (Cont’d)
Mode
*
EVF can also be set by EV6 or an error from the SR2 register.
STOPF
ADD10
BERR
ARLO
ADSL
*
BTF
No effect on I
I
I
In HALT mode, the I
resumes operation when the MCU is woken up by an interrupt with “exit from HALT mode” capability.
2
2
SB
AF
2
C interrupts cause the device to exit from WAIT mode.
C registers are frozen.
C interrupt events are connected to
2
C interface.
Interrupt Event
2
C interface is inactive and does not acknowledge data on the bus. The I
ITE
Description
ADSEL
STOPF
ADD10
BERR
Event
ARLO
Flag
BTF
SB
AF
Control
Enable
ITE
Bit
INTERRUPT
EVF
from
Wait
Exit
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
2
C interface
from
Halt
Exit
No
No
No
No
No
No
No
No
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